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Thermo Scientific 146i, Instruction Manual

The Thermo Scientific 146i Instruction Manual is a comprehensive guide designed to assist users in operating and maintaining their 146i device effectively. This manual is available for free download from manualshive.com, providing users with easy access to essential product information and ensuring optimum performance for their experiments.

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Servicing

Mass Flow Controller Replacement

Thermo Fisher Scientific

Model 146

i

 Instruction Manual

7-15

3. Disconnect electrical connections from the top of the flow controllers 

noting their positions for reconnection (

Figure 7-4

).

Figure 7-4. 

Replacing a Mass Flow Controller

4. Remove plumbing from flow controllers.

5. Disconnect fan electrical connector.

6. Remove four screws holding flow controller bracket to floor plate.

7. Remove flow controller assembly.

8. Remove defective flow controller from bracket by removing the two 

screws holding flow controller to bracket.

9. Install new flow controller by following the above directions in reverse.

10. Leak check system and recalibrate. Refer to “Leak Test and Pump 

Checkout” in this chapter.

Summary of Contents for 146i

Page 1: ...Model 146i Instruction Manual Dynamic Gas Calibrator Part Number 102482 00 30Jan2008 ...

Page 2: ...ons terms and pricing are subject to change Not all products are available in all countries Please consult your local sales representative for details Thermo Fisher Scientific Air Quality Instruments 27 Forge Parkway Franklin MA 02038 1 508 520 0430 www thermo com aqi ...

Page 3: ...ientific has contracted with one or more recycling disposal companies in each EU Member State and this product should be disposed of or recycled through them Further information on Thermo Fisher Scientific s compliance with these Directives the recyclers in your country and information on Thermo Fisher Scientific products which may assist the detection of substances subject to the RoHS Directive a...

Page 4: ......

Page 5: ...s the procedures for calibrating the analyzer and describes the required equipment Chapter 5 Preventive Maintenance provides maintenance procedures to ensure reliable and consistent instrument operation Chapter 6 Troubleshooting presents guidelines for diagnosing analyzer failures isolating faults and includes recommended actions for restoring proper operation Chapter 7 Servicing presents safety a...

Page 6: ...ignored WARNING A hazard is present or an unsafe practice can result in serious personal injury if the warning is ignored CAUTION The hazard or unsafe practice could result in minor to moderate personal injury if the warning is ignored Equipment Damage The hazard or unsafe practice could result in property damage if the warning is ignored Safety and Equipment Damage Alerts in this Manual Alert Des...

Page 7: ... using soap and water Equipment Damage Do not attempt to lift the analyzer by the cover or other external fittings Some internal components can be damaged by small amounts of static electricity A properly grounded antistatic wrist strap must be worn while handling any internal component This adjustment should only be performed by an instrument service technician Handle all printed circuit boards b...

Page 8: ...able from exclusive distributors worldwide Contact one of the phone numbers below for product support and technical information or visit us on the web at www thermo com aqi 1 866 282 0430 1 508 520 0430 Symbol Description Marking of electrical and electronic equipment which applies to electrical and electronic equipment falling under the Directive 2002 96 EC WEEE and the equipment that has been pu...

Page 9: ...nspection 2 1 Setup Procedure 2 1 Remote Interconnections 2 1 Inputs 2 1 Outputs 2 1 Connecting External Devices 2 1 Terminal Board PCB Assemblies 2 1 Startup 2 1 Operation 3 1 Display 3 1 Pushbuttons 3 1 Soft Keys 3 1 Software Overview 3 1 Power Up Screen 3 1 Run Screen 3 1 Main Menu 3 1 Operation 3 1 Flow Modes 3 1 Standby 3 1 Gas Dilution 3 1 Permeation Oven 3 1 O3 3 1 Photometer 3 1 Gas Setup ...

Page 10: ...3 2 Program Menu 3 2 Program Cycle 3 2 Period Hours 3 2 Next Cycle 3 2 Events 3 2 Instrument Controls Menu 3 2 Temperature Compensation 3 2 Pressure Compensation 3 2 Datalogging Settings 3 2 Communication Settings 3 2 I O Configuration 3 2 Screen Contrast 3 2 Service Mode 3 2 Date Time 3 2 Diagnostics Menu 3 2 Program Version 3 2 Voltages 3 2 Flows 3 2 Temperatures 3 2 Pressure 3 2 Analog Input Re...

Page 11: ...ion 3 3 Analog Input Calibration 3 3 Permeation Oven Settings 3 3 Lamp Setting 3 3 Intensity Check 3 3 O3 Response Coefficient 3 3 Display Pixel Test 3 3 Restore User Defaults 3 3 Password 3 3 Set Password 3 4 Lock Instrument 3 4 Change Password 3 4 Remove Password 3 4 Unlock Instrument 3 4 Calibration 4 1 Mass Flow Controllers 4 1 Photometer Calibration 4 1 Calibration Using a Model 49i PS 4 1 Oz...

Page 12: ... Checkout without Photometer Option 7 1 Mass Flow Controller Replacement 7 1 Pump Replacement Photometer option 7 1 Fan Replacement Rear Panel 7 1 Ran Replacement Mass Flow Controllers 7 1 Analog Output Testing 7 1 Analog Output Calibration 7 1 Analog Input Calibration 7 1 Calibrating the Input Channels to Zero Volts 7 2 Calibrating the Input Channels to Full Scale 7 2 I O Expansion Board Replacem...

Page 13: ... 3 Pressure Regulator s Adjustment 7 3 Ambient Temperature Calibration 7 3 Service Locations 7 3 System Description 8 1 Hardware 8 1 Flow System 8 1 Precision Gas Dilution 8 1 Ozone Generation 8 1 Gas Phase Titration 8 1 Permeation Tube Oven 8 1 Photometer 8 1 Detector System 8 1 Pressure Transducer 8 1 Ozonator 8 1 Ozonator Lamp Power Supply 8 1 Photometer Lamp Power Supply 8 1 Photometer Tempera...

Page 14: ...8 2 Digital Relay Outputs 8 2 Digital Inputs 8 2 Serial Ports 8 2 RS 232 Connection 8 2 RS 485 Connection 8 2 Ethernet Connection 8 2 External Accessory Connector 8 3 Optional Equipment 9 1 Ozonator 9 1 Photometer 9 1 Zero Air Source 9 1 Permeation Oven 9 1 Permeation Tube Installation 9 1 Computation of Concentrations 9 1 Oven Installation and Configuration 9 1 Permeation Tube Oven Calibration 9 ...

Page 15: ...asurement Configuration B 1 Hardware Configuration B 1 Communications Configuration B 1 I O Configuration B 1 Record Layout Definition B 1 Format Specifier for ASCII Responses B 1 Format Specifier for Binary Responses B 1 Format Specifier for Front Panel Layout B 1 MODBUS Protocol C 1 Serial Communication Parameters C 1 TCP Communication Parameters C 1 Application Data Unit Definition C 1 Function...

Page 16: ...Contents xii Model 146i Instruction Manual Thermo Fisher Scientific ...

Page 17: ...inal Board Views 2 2 Figure 2 8 25 Pin Terminal Board Views 2 2 Figure 3 1 Front Panel Display 3 4 Figure 3 2 Front Panel Pushbuttons 3 4 Figure 3 3 Flowchart of Menu Driven Software 3 4 Figure 3 4 Pin Out of Rear Connector 3 4 Figure 4 1 Photometer Calibration Flow Schematic 4 1 Figure 4 2 Ozonator Control Check Flow Schematic 4 1 Figure 5 1 Inspecting and Cleaning the Fan Filter 5 2 Figure 5 2 R...

Page 18: ... 7 12 Photometer Components 7 3 Figure 7 13 Replacing the Ozonator 7 3 Figure 7 14 Removing the Glass Chamber Assembly 7 3 Figure 7 15 Replacing the Glass Chamber Assembly 7 3 Figure 7 16 Replacing the Pressure Regulator 7 3 Figure 8 1 Hardware Components 8 3 Figure 9 1 Cal Oven Therm Resistor Screen 9 2 Figure 9 2 Cal Gas Therm Bath Screen 9 2 Figure 9 3 Cal Gas Therm Resistor Screen 9 2 Figure 9...

Page 19: ...escriptions 6 1 Table 6 7 Measurement Interface Board Connector Pin Descriptions 6 1 Table 6 8 Solenoid Connector Board Pin Descriptions 6 1 Table 6 9 Ozonator Power Supply Connector Pin Descriptions 6 1 Table 6 10 Photometer Power Supply Connector Pin Descriptions 6 1 Table 7 1 Model 146i Replacement Parts 7 3 Table 7 2 Model 146i Cables 7 3 Table 7 3 External Device Connection Components 7 3 Tab...

Page 20: ...Contrast Levels B 2 Table B 10 Reply Termination Formats B 2 Table B 11 Analog Current Output Range Values B 2 Table B 12 Analog Voltage Output Range Values B 2 Table B 13 Default Output Assignment B 2 Table C 1 Read Coils for 146i C 1 Table C 2 Read Registers for 146i C 2 Table C 3 Write Coils for 146i C 2 ...

Page 21: ...lity In the Model 146i these components are integrated into a single microprocessor controlled unit The instrument can be controlled locally via the front panel interface or remotely using a datalogger or computer The standard Model 146i hardware plumbing configuration comprises gas and zero air flow controllers as shown in Figure 1 1 The basic unit can handle three gas standards controlled by ind...

Page 22: ...tion tube oven as shown in Figure 1 3 Accuracy is achieved since both the release rate of the permeation tube gas and the flow of zero air through the zero air mass flow controller are known and the temperature of the permeation tube is stable Temperature stability of the permeation tube is accomplished by allowing only a small amount of zero air to enter the permeation tube oven to be heated The ...

Page 23: ...lows through the zero air solenoid and through the zero air mass flow controller then through the ozonator to the manifold and to the external internal solenoid to become the sample gas I The other stream flows from the zero air bulkhead to the sample reference solenoid in the photometer and is used as the reference gas Io Alternately the sample gas may be pulled from an external source through th...

Page 24: ...Introduction Principle of Operation 1 4 Model 146i Instruction Manual Thermo Fisher Scientific Figure 1 1 Standard Gas Dilution System Figure 1 2 Standard Gas Dilution System with Ozonator Option ...

Page 25: ...of Operation Thermo Fisher Scientific Model 146i Instruction Manual 1 5 Figure 1 3 Standard Gas Dilution System with Permeation Tube Oven Option Figure 1 4 Standard Gas Dilution with Ozonator and Permeation Tube Oven Options ...

Page 26: ...peration 1 6 Model 146i Instruction Manual Thermo Fisher Scientific Figure 1 5 Standard Gas Dilution System with Photometer Option Figure 1 6 Standard Gas Dilution System with Ozonator Permeation Tube Oven and Photometer Options ...

Page 27: ...ollers Response time as measured at output of manifold to 99 of final value Less than one minute for low flows Faster for high flow for gas phase titration mode response time increases to 4 minutes Meets or exceeds U S EPA Dynamic Parameters specification requirements for gas phase titration Operating temperature 0 45 C Power Requirements 100 VAC 50 60 Hz 115 VAC 50 60 Hz 220 240 VAC 50 60 Hz 275 ...

Page 28: ...puts Up to 8 24 VDC external solenoids can be controlled by Model 146i Analog outputs 6 voltage outputs 0 100 mV 1 5 10 V User selectable 5 of full scale over under range 12 bit resolution user selectable for measurement input Optional 6 current outputs 0 20 mA or 4 20 mA Digital outputs 1 power fail relay Form C 10 relays Form A user selectable alarm output relay logic 100 mA 200 VDC Digital inpu...

Page 29: ... rear of the unit Although one person can lift the unit it is desirable to have two persons lifting one by grasping the bottom in the front and the other by grasping the bottom in the rear Unpacking and Inspection The Model 146i is shipped complete in one container If there is obvious damage to the shipping container when you receive the instrument notify the carrier immediately and hold for inspe...

Page 30: ...nts 3 Remove the packing material Figure 2 1 Figure 2 1 Remove the Packing Material 4 If the photometer option is installed includes pump remove the three shipping screws Figure 2 2 Figure 2 2 Remove the Shipping Screws Units without Optional I O Board Units with Optional I O Board Remove Packing Remove Packing 2 pieces 2 pieces Shipping Screws 3 ...

Page 31: ...ll scale flows of the zero air controller at a pressure between 10 and 40 psi 2 Connect the standard gas cylinders to the ports labeled A B and C 3 Install the permeation tube using the following procedure applicable only if the permeation option is installed a Remove the instrument cover and locate the permeation oven Component Layout on page 7 8 b Release the latches on the sides of the oven cov...

Page 32: ...top Figure 2 3 Keep glass clean by using Kimwipes or similar material to handle glass e Place permeation tube in chamber f Attach glass chamber to top assembly by gently pushing together with a slight twisting motion Figure 2 3 g Replace glass chamber assembly into oven until top of assembly is flush or slightly below oven top Figure 2 4 Knurled Screw Glass Chamber Assembly Oven Top Top Assembly G...

Page 33: ...ould be less than 10 feet Verify that there is no restriction in this line 5 Connect a suitable recording device to the rear panel connector For detailed information about connecting to the instrument refer to Connecting External Devices on page 2 10 External Device Connection Components on page 7 7 Terminal Block and Cable Kits on page 9 11 Instrument Controls Menu in the Operation chapter For de...

Page 34: ...y input settings with corresponding relay outputs Inputs The Model 146i is controllable through the 37 pin male rear panel connector Refer to the following tables when selecting the appropriate gas gas span level and ozonator or permeation oven level for the Model 146i Note These are the default settings that can be changed by the operator A 1 indicates contact closure to ground and 0 indicates no...

Page 35: ...zonator or permeation oven level gas Gas Bit 3 Pin 23 Gas Bit 2 Pin 4 Gas Bit 1 Pin 3 Gas Type 0 0 0 Gas Off 0 0 1 Gas A 0 1 0 Gas B 0 1 1 Gas C 1 0 0 Gas D 1 0 1 Gas E 1 1 0 Gas F Span Bit 3 Pin 25 Span Bit 2 Pin 6 Span Bit 1 Pin 24 Span Level 0 0 0 Span 0 0 0 1 Span 1 0 1 0 Span 2 0 1 1 Span 3 1 0 0 Span 4 1 0 1 Span 5 1 1 0 Manual Oz Perm Bit 4 Pin 9 Oz Perm Bit 3 Pin 27 Oz Perm 2 Pin 8 Oz Perm...

Page 36: ...They default to Normally Open meaning that the relays are closed when the condition exists and can be user configured as NO or NC Refer to the following tables for the indicated gas gas span level and ozonator or permeation oven level for the Model 146i Pins 1 2 and 3 to report the selected gas 1 indicates contact closure 0 1 1 0 Ozon 5 0 1 1 1 Perm 1 1 0 0 0 Perm 2 1 0 0 1 Perm 3 1 0 1 0 Perm 4 1...

Page 37: ... 1 0 Gas F Span Bit 3 Pins 6 25 Span Bit 2 Pins 5 24 Span Bit 1 Pins 4 23 Span Level 0 0 0 Span 0 0 0 1 Span 1 0 1 0 Span 2 0 1 1 Span 3 1 0 0 Span 4 1 0 1 Span 5 1 1 0 Manual Oz Perm Bit 7 Pins10 29 Oz Perm Bit 8 Pins 9 28 Oz Perm 9 Pins 8 27 Oz Perm Bit 10 Pins 7 26 Ozonator or Permeation Oven Levell 0 0 0 0 Ozon Perm Off 0 0 0 1 Ozon Manual 0 0 1 0 Ozon 1 0 0 1 1 Ozon 2 0 1 0 0 Ozon 3 0 1 0 1 O...

Page 38: ...rminal block and cable kits optional Individual cables optional For detailed information on the optional connection components refer to the Optional Equipment chapter For associated part numbers refer to External Device Connection Components on page 7 7 Terminal Board PCB Assemblies The following terminal board PCB assemblies are available for iSeries instruments I O terminal board PCB assembly 37...

Page 39: ...ws Component Side Viewed from Top of Board Assembled Connector See Detail A Detail A See Detail B Detail B Table 2 1 I O Terminal Board Pin Descriptions Pin Signal Description Pin Signal Description 1 Analog1 13 Power_Fail_NC 2 Analog ground 14 Power_Fail_COM 3 Analog2 15 Power_Fail_NO 4 Analog ground 16 TTL_Input1 5 Analog3 17 TTL_Input2 6 Analog ground 18 TTL_Input3 7 Analog4 19 TTL_Input4 8 Ana...

Page 40: ...mbled Connector See Detail A Detail A See Detail B Detail B Table 2 2 D O Terminal Board Pin Descriptions Pin Signal Description Pin Signal Description 1 Relay1_ContactA 13 Relay7_ContactA 2 Relay1_ContactB 14 Relay7_ContactB 3 Relay2_ContactA 15 Relay8_ContactA 4 Relay2_ContactB 16 Relay8_ContactB 5 Relay3_ContactA 17 Relay9_ContactA 6 Relay3_ContactB 18 Relay9_ContactB 7 Relay4_ContactA 19 Relay...

Page 41: ... 2 3 identifies the connector pins and associated signals Figure 2 8 25 Pin Terminal Board Views Component Side Viewed from Top of Board Assembled Connector See Detail A Detail A See Detail B Detail B Table 2 3 25 Pin Terminal Board Pin Descriptions Pin Signal Description Pin Signal Description 1 IOut1 13 Analog_In1 2 GND_ISO 14 Analog_In2 3 IOut2 15 Analog_In3 4 GND_ISO 16 GNDD 5 IOut3 17 Analog_...

Page 42: ...urn the power ON 2 Allow 90 minutes for the instrument to stabilize 3 Set instrument parameters such as gas setup and flow modes to appropriate settings For more information about instrument parameters see the Operation chapter 12 GND_ISO 24 GNDD Table 2 3 25 Pin Terminal Board Pin Descriptions continued Pin Signal Description Pin Signal Description ...

Page 43: ...ge 3 1 Pushbuttons on page 3 2 Software Overview on page 3 4 Operation on page 3 8 Flow Modes on page 3 9 Gas Setup Menu on page 3 21 Ozonator Setup Menu on page 3 26 Permeation Oven Setup Menu on page 3 28 Photometer Setup Menu on page 3 30 Program Menu on page 3 36 Instrument Controls Menu on page 3 39 Diagnostics Menu on page 3 70 Alarms Menu on page 3 77 Service Menu on page 3 84 Password on p...

Page 44: ...lay CAUTION If the LCD panel breaks do not to let the liquid crystal contact your skin or clothes If the liquid crystal contacts your skin or clothes wash it off immediately using soap and water The Pushbuttons allow the user to traverse the various screens menus Figure 3 2 Front Panel Pushbuttons Pushbuttons ...

Page 45: ... case letters to easily distinguish them from the operating screens To exit a help screen press or to return to the previous screen or to return to the Run screen Up Down Left Right The four arrow pushbuttons and move the cursor up down left and right or change values and states in specific screens Enter The is used to select a menu item accept set save a change and or toggle on off functions The ...

Page 46: ...STUVWXYZ PAGE 0123456789 SAVE OPER MODE DIAGS ALARM The Model 146i utilizes the menu driven software as illustrated by the flowchart in Figure 3 3 The Power Up screen shown at the top of the flowchart is displayed while the instrument is warming up and performing self checks After the warm up period the Run screen is automatically displayed From the Run screen the Main Menu can be displayed by pre...

Page 47: ...igital Inputs Relay States Solenoid States Test Analog Outputs Instrument Config Contact Info Alarms Ambient Temp O 3 Lamp Temp Perm Oven Temp Pressure Phot Bench Temp Phot Lamp Temp Phot Intensity MB Status Int Bd Status I O Bd Status Service Flow Control Select Cal Pres Temp Zero Flow Cal Gas Flow Cal Pressure Cal Ambient Temp Cal Bench Temp Cal Analog Output Cal Analog Input Cal Perm Oven Setti...

Page 48: ...n oven and ozonator levels time and alarm status There are 5 values that may be displayed on the run screen that include the following TFLOW total flow in sccm as measured by the zero and gas flow controllers GAS X dilution concentration of gas from selected tank in ppm name is user definable O3 concentration of ozone measured by photometer in ppm PERM concentration from permeation tube in ppm GPT...

Page 49: ...s in every screen The OZONATOR SETUP PERMEATION OVEN SETUP AND PHOTOMETER SETUP menu items are only displayed if these options are installed The SERVICE menu is visible only when the instrument is in service mode For more information on the service mode see Service Mode later in this chapter Use and to move the cursor up and down Press to select a choice Press to return to the top of the Main Menu...

Page 50: ...ontrollers are set to provide the previously determined total flow and gas concentration For MANUAL the flow rates for the zero and gas flow controllers may be set directly The next line is used to set the permeation oven output level if installed The allowable modes are OFF PERM 1 through 5 and manual The concentration for these modes is displayed on the right If a gas span value is also selected...

Page 51: ... up and down to select a mode or setting or change the number in the numeric edit field Press to save the mode switch to numeric entry or save the numeric entry Use and to change the mode or move the cursor in the numeric edit field Press to return to the Main Menu or to return to the Run screen OPERATION GAS A ZFLOW 10000 SCCM MANUAL GFLOW 100 SCCM PERM OFF 0 000 PPM OZONE OFF 0 0 PHOT OFF OPER M...

Page 52: ...ode is turned back off In the Main Menu choose Standby STANDBY CURRENTLY OFF SET TO ON TOGGLE VALUE OPER MODE DIAGS ALARM The Gas Dilution menu is used to select a gas valve flow and span concentration The Gas A B or C menus set the zero air flow span 0 flow and the total flow output for a maximum of five span settings for each gas Additionally the gas menus let you manually set the zero air and g...

Page 53: ...s Gas Dilution Gas A F Zero or Span 1 5 GAS A SPAN SELECTION ZERO 0 000 PPM SPAN 1 0 020 PPM SPAN 2 2 000 PPM SPAN 3 0 000 PPM SPAN 4 0 000 PPM SPAN 5 0 000 PPM MANUAL OPER MODE DIAGS ALARM FLOW MODE GAS A SPAN 2 GAS CONC 100 000 PPM TFLOW 1000 SCCM SAVING SAVE FLOW MODE OPER MODE DIAGS ALARM The Gas Manual Flow screen displays the zero air and gas flows and lets the user manually set the zero air...

Page 54: ... CHANGE VALUE SAVE OPER MODE DIAGS ALARM The Manual Gas Flow screen sets the manual gas flow value for the previously selected gas The screen identifies the minimum and maximum acceptable gas flow rates based on the installed flow controller and lets the user select a flow rate between these two settings If the selected gas flow is lower or higher than the acceptable range TOO LOW or TOO HIGH appe...

Page 55: ... CONC 00 200 PPM TFLOW 1000 SCCM SAVING SAVE FLOW MODE OPER MODE DIAGS ALARM The Gas Selection screen is used to select the gas to mix with the permeation gas Gas D E and F are available if the six gas option is installed In the Main Menu choose Flow Modes Permeation Oven Gas Mix GAS SELECTION GAS A GAS A GAS B GAS B GAS C GAS C GAS D GAS D GAS E GAS E GAS D GAS F OPER MODE DIAGS ALARM The Gas Spa...

Page 56: ...SPAN 4 0 000 PPM SPAN 5 0 000 PPM MANUAL OPER MODE DIAGS ALARM FLOW MODE GAS A PERM MIX GAS CONC 02 00 PPM PERM CONC 0 100 PPM TFLOW 1000 SCCM SAVING SAVE FLOW MODE OPER MODE DIAGS ALARM The Permeation Oven Gas Manual Flow screen shows the zero air and gas flows and is used to manually set them for the previously selected gas If the selected zero air flow is lower or higher than the acceptable ran...

Page 57: ...ODE DIAGS ALARM The Manual Gas Flow screen sets the manual gas flow value for the previously selected gas The screen identifies the minimum and maximum acceptable gas flow rates and lets the user select a flow rate between these two settings If the selected gas flow is lower or higher than the acceptable range TOO LOW or TOO HIGH appears on the screen In the Main Menu choose Flow Modes Permeation ...

Page 58: ...ODE DIAGS ALARM Five ozonator levels 1 5 can be set using the Ozonator Level Selection screen Once selected the screen reports the new flow mode The user must press to accept and activate these settings The message SAVING is displayed for 3 seconds then removed In the Main Menu choose Flow Modes O3 Transfer Standard Level 1 5 O3 LEVEL SELECTION LEVEL1 20 0 LEVEL2 25 0 LEVEL3 40 0 LEVEL4 60 0 LEVEL...

Page 59: ...el can be set using the Ozonator GPT Select screen Alternately if Photometer Control is selected then all ozonator levels are shown in parts per million ppm instead of percent The MANUAL screen is used to set the ozonator output to the manual level in ppm or In the Main Menu choose Flow Modes O3 GPT Photometer Control Level 1 5 Manual O3 Adjust GPT Photometer Control O3 LEVEL SELECTION LEVEL1 100 ...

Page 60: ... C GAS C GAS D GAS D GAS E GAS E GAS F GAS F OPER MODE DIAGS ALARM The Gas Span Selection screen is used to select the span level for the previously selected gas Gas D E and F are available if the six gas option is installed Once selected the screen reports the new flow mode The user must press to accept and activate these settings The message SAVING is displayed for 3 seconds then removed In the ...

Page 61: ... zero air flow value for the previously selected gas The screen identifies the minimum and maximum acceptable zero air flow rates and lets the user select a flow rate between these two settings If the selected zero air flow is lower or higher Gas Manual Flow Zero Air GAS A SPAN SELECTION ZERO 0 000 SPAN 1 100 0 SPAN 2 80 0 SPAN 3 50 0 SPAN 4 20 0 SPAN 5 10 0 MANUAL OPER MODE DIAGS ALARM GAS A SPAN...

Page 62: ...or higher than the acceptable range TOO LOW or TOO HIGH appears on the screen In the Main Menu choose Flow Modes O3 GPT Photometer Control Gas A F Level 1 5 Manual Gas MAN GAS A GAS FLOW MINIMUM 004 00 SCCM MAXIMUM 100 00 SCCM SET TO 050 01 SCCM MOVE CURSOR ª CHANGE VALUE SAVE OPER MODE DIAGS ALARM The Photometer flow mode menu is used to select the photometer measurement mode Available choices in...

Page 63: ...et the zero air and gas flows for each gas Gas D E and F are available if the six gas option is installed In the Main Menu choose Flow Modes Gas Setup GAS SETUP GAS A GAS A GAS B GAS B GAS C GAS C GAS D GAS D GAS E GAS E GAS F GAS F OPER MODE DIAGS ALARM GAS A SETUP GAS NAME GAS A GAS SOL A TANK CONC 100 000 PPM ZERO 2000 CCM SPAN 1 10 000 PPM SPAN 2 8 000 PPM SPAN 3 5 000 PPMª OPER MODE DIAGS ALA...

Page 64: ...A for Gas A Solenoid B for Gas B and Solenoid C for Gas C the same default designation system applies to Solenoids D through F if the six gas option is installed Allowable selections are SOLENOID A SOLENOID B SOLENOID C SOLENOID D if installed SOLENOID E if installed and SOLENOID F if installed In the Main Menu choose Gas Setup Gas A F Gas Solenoid GAS A SOLENOID CURRENTLY SOLENOID A SET TO SOLENO...

Page 65: ...d to select a flow rate between these two settings If the selected zero flow is lower or higher than the acceptable range TOO LOW or TOO HIGH appears on the screen In the Main Menu choose Gas Setup Gas A F Zero GAS A ZERO AIR FLOW MINIMUM 00400 SCCM MAXIMUM 10000 SCCM SET TO 01001 SCCM MOVE CURSOR ª CHANGE VALUE SAVE OPER MODE DIAGS ALARM The Span menu displays the span concentration and total flo...

Page 66: ... Changing this valve may affect allowable limits for span flow It is advisable to check this setting In the Main Menu choose Gas Setup Gas A F Span 1 5 Conc GAS A SPAN 1 CONC MINIMUM 00000 040 PPM MAXIMUM 00020 000 PPM SET TO 00010 001 PPM MOVE CURSOR ª CHANGE VALUE SAVE OPER MODE DIAGS ALARM The Span Flow screen displays the minimum and maximum flows for spans 1 through 5 of each gas Minimum and ...

Page 67: ...M GAS 030 00 CCM OPER MODE DIAGS ALARM The Manual Zero Air Flow screen sets the manual zero air flow value for the previously selected gas The screen identifies the minimum and maximum acceptable zero air flow rates and lets the user select a flow rate between these two settings If the selected zero air flow is lower or higher than the acceptable range TOO LOW or TOO HIGH appears on the screen In ...

Page 68: ...MUM 004 00 SCCM MAXIMUM 100 00 SCCM SET TO 030 01 SCCM MOVE CURSOR ª CHANGE VALUE SAVE OPER MODE DIAGS ALARM The Model 146i can be equipped with an optional internal ozonator The production of ozone is regulated by either changing the flow of zero air or by changing the intensity of the ozone producing lamp The Ozonator Setup menu sets the amount of zero air flow From this menu the ozone generatio...

Page 69: ...termine a calibration curve an external ozone primary standard such as the Model 49i Primary Standard must be used Due to changes in light intensity flow and ambient temperature the calibration curve is accurate only for a short time after a transfer standard reading is taken Since the setting is not remembered once the instrument is powered down the calibration curve is not retained and must be r...

Page 70: ...u In the Main Menu choose Permeation Oven Setup PERMEATION OVEN PERMEATION K 1 000 PERMEATION RATE 1000 0 LEVEL 1 0 000 PPM LEVEL 2 0 000 PPM LEVEL 3 0 000 PPM LEVEL 4 0 000 PPM LEVEL 5 0 000 PPM OPER MODE DIAGS ALARM The Permeation K constant screen allow the user to set the multiplier for the permeation tube for a given oven temperature Allowable values are 0 000 to 9 999 If the values selected ...

Page 71: ...ings In the Main Menu choose Permeation Oven Setup Permeation Rate PERMEATION RATE NG NG MIN CURRENTLY 1000 0 SET TO 01020 0 MOVE CURSOR ª CHANGE VALUE SAVE OPER MODE DIAGS ALARM The Permeation Level 1 5 screens are used to set minimum and maximum permeation levels These levels can be selected from the Operation or Flow Modes screens Note When a gas is selected and mixed with the permeation oven o...

Page 72: ... range and to set the custom ranges In the Main Menu choose Photometer Setup Range RANGE GAS UNITS PPM RANGE 5 00 SET CUSTOM RANGES OPER MODE DIAGS ALARM The O3 Range screen defines the concentration range of the analog outputs For example an O3 range of 0 5 ppm sets the analog output to concentrations between 0 and 5 ppm Available operating ranges include 0 05 0 1 0 2 0 5 1 0 2 0 5 0 C1 C2 and C3...

Page 73: ...IAGS ALARM The analog outputs are arranged on the rear panel connector as shown in Figure 3 4 See Table 3 3 for channels and pin connections Figure 3 4 Pin Out of Rear Connector Table 3 2 Default Analog Outputs Channel Pin Description 1 14 Gas Conc Analog Output 2 33 Gas Conc Analog Output 3 15 None 4 34 None 5 17 None 6 36 None Ground 16 18 19 35 37 Signal Ground ...

Page 74: ... DIAGS ALARM The Custom Ranges screen is used to define the custom ranges The display shows the current custom range The next line of the display is used to set the range To use the custom full scale range be sure to select it Custom range 1 2 or 3 in the O3 Ranges screen For more information about selecting ranges see O3 Range above In the Main Menu choose Photometer Setup Range Set Custom Ranges...

Page 75: ...ds In the Main Menu choose Photometer Setup Averaging Time AVERAGING TIME CURRENTLY 90 SEC SET TO 120 SEC ª CHANGE VALUE SAVE VALUE OPER MODE DIAGS ALARM The Calibration Factors menu displays the calibration factors and is used to make minor compensations to the O3 concentration In the Main Menu choose Photometer Setup Calibration Factors CALIBRATION FACTORS O3 BKG 0 0000 O3 COEF 1 000 RESET USER ...

Page 76: ...e will show ERROR if the measured concentration is not a valid span value either higher than the selected range or 0 or lower In the Main Menu choose Photometer Setup Calibration Factors O3 Coef O3 COEFFICIENT O3 600 SET COEF TO 1 000 ª INC DEC SAVE VALUE OPER MODE DIAGS ALARM The Reset User Calibration Default screen allows the user to reset the calibration configuration values to factory default...

Page 77: ... zero calibration ensure the analyzer samples zero air for at least 5 minutes It is important to note the averaging time when calibrating The longer the averaging time the more accurate the calibration will be To be most accurate use the 300 second averaging time In the Main Menu choose Photometer Setup Calibration Cal Zero O3 BACKGROUND O3 0 0000 CURRENTLY 0 0000 SET O3 TO ZERO OPER MODE DIAGS AL...

Page 78: ...ts the Model 146i s internal computer program to conduct a series of calibration events at preset times and durations Up to 32 calibration events can be programmed Next Event is read only and shows the status of the next event number and time there is no setting screen Each event can be assigned gas span ozonator and permeation levels photometer mode and event set time This function is only availa...

Page 79: ... current event When disabled the program will not be run at its assigned interval This screen is also used to cancel a running program In the Main Menu choose Program Program Cycle PROGRAM CYCLE STATUS CURRENTLY DISABLED SET TO ENABLED TOGGLE VALUE OPER MODE DIAGS ALARM The Period Hours screen is used select how many hours starting between cycles of the program Valid values are 0 to 999 If 0 is se...

Page 80: ...A F Zero span level for that gas 1 5 Zero ozonator and permeation levels 1 5 OFF photometer mode I internal E external C control and event duration time in minutes Selecting an event allows detailed setup of that event A maximum of 32 events can be controlled from this menu Note When events are running none of the settings may be changed via the front panel interface except for the program cycle e...

Page 81: ...part of the event When set to NONE it will leave that event alone it stays the same as it was before the event started If set ON it will turn user outputs on If set OFF it will turn outputs to off In the Main Menu choose Program Events Event 1 32 Press or to toggle and to set following items EVENT 10 ENABLED 32 MIN GAS A 0 212 SCCM SPAN 1 2314 PPM PHOT OFF 0 PPM PERM OFF 0 PPM OZONE OFF 0 USER1 DO...

Page 82: ...by a thermistor on the Interface board When temperature compensation is off the display shows 0 0 C In the Main Menu choose Instrument Controls Temperature Compensation TEMPERATURE COMPENSATION COMP TEMP 32 6 o C CURRENTLY ON SET TO OFF TOGGLE VALUE OPER MODE DIAGS ALARM The Pressure Compensation screen is used to turn the pressure correction on or off When pressure compensation is on the first li...

Page 83: ... DATA ERASE LOG SELECT CONTENT COMMIT CONTENT RESET TO DEFAULT CONTENT CONFIGURE DATA LOGGING OPER MODE DIAGS ALARM The Select SREC LREC is used to select short record or long record format for other operations in this menu In the Main Menu choose Instrument Controls Datalogging Settings Select SREC LREC SELECT LOG TYPE CURRENTLY SREC SET TO LREC TOGGLE VALUE OPER MODE DIAGS ALARM The View Logged ...

Page 84: ...000000 TOTAL LRECS 20 MOVE CURSOR ª CHANGE VALUE SAVE OPER MODE DIAGS ALARM The Record Display screen read only displays the selected records time date flags 10 01 06 20 05 C008890 10 02 06 20 05 C008890 10 03 06 20 05 C008890 10 04 06 20 05 C008890 ª PGUP DN PAN L R OPER MODE DIAGS ALARM The Date and Time screen is used to set a start date and time for which to view logged data For example if 20 ...

Page 85: ...nd long records In the Main Menu choose Instrument Controls Datalogging Settings Erase Log The Select Content submenu displays a list of 32 record fields to use and a submenu list of the analog output signal group choices to choose from Choices are Concentrations Other Measurements and Analog Inputs if the I O expansion board is installed This is a temporary list of items for the selected record t...

Page 86: ...CONCENTRATIONS OTHER MEASUREMENTS ANALOG INPUTS OPER MODE DIAGS ALARM The Concentrations screen allows the user to select the output signal that is tied to the selected field item The selected item is shown by after it Note that at this point pressing indicates that these are proposed changes as opposed to implemented changes To change the selected record format and erase record log file data see ...

Page 87: ...s OTHER MEASUREMENTS NONE TARGET GFLOW ACTUAL GFLOW TARGET ZFLOW ACTUAL ZFLOW TARGET TFLOW ACTUAL TFLOW ª OPER MODE DIAGS ALARM PRESSURE BENCH TEMP LAMP TEMP O3 LAMP TEMP INTENSITY NOISE The Analog Inputs screen allows the user to select the output signal none or analog inputs 1 8 that is tied to the selected field item The selected item is shown by after it Note that at this point pressing indica...

Page 88: ...alog output signal group choices see Select Content above In the Main Menu choose Instrument Controls Datalogging Settings Reset to Default Content The Configure Datalogging menu deals with datalogging configuration for the currently selected record type In the Main Menu choose Instrument Controls Datalogging Settings Configure Datalogging Commit Content Reset to Default Content Configure Datalogg...

Page 89: ...nfigure Datalogging Logging Period Min SET PERIOD FOR SREC CURRENTLY 60 MIN SET TO OFF MIN ª CHANGE VALUE SAVE OPER MODE DIAGS ALARM The Memory Allocation Percent screen is used to select the percentage of each record type for both short records and long records Percentages between 0 and 100 are available in increments of 10 Changing this value results in log erasure for both short records and lon...

Page 90: ...figure Datalogging Data Treatment SET LREC DATA TYPE CURRENTLY AVG SET TO MAX ª CHANGE VALUE SAVE OPER MODE DIAGS ALARM The Communication Settings menu is used with communications control and configuration In the Main Menu choose Instrument Controls Communication Settings COMMUNICATION SETTINGS BAUD RATE INSTRUMENT ID COMMUNICATION PROTOCOL STREAMING DATA CONFIG RS 232 RS 485 SELECTION TCP IP SETT...

Page 91: ...ments are connected to one computer Valid Instrument ID numbers are from 0 to 127 The Model 146i has a default Instrument ID of 51 For more information about the Instrument ID see Appendix B C Link Protocol Commands or Appendix C MODBUS Protocol In the Main Menu choose Instrument Controls Communication Settings Instrument ID INSTRUMENT ID CURRENTLY 51 SET TO 52 ª CHANGE VALUE SAVE VALUE OPER MODE ...

Page 92: ...and Analog Inputs if the I O expansion board option is installed In the Main Menu choose Instrument Controls Communication Settings Streaming Data Config STREAMING DATA CONFIG INTERVAL 10 SEC ADD LABELS NO PREPEND TIMESTAMP YES ITEM 1 CONC ITEM 2 TGFLO ITEM 3 AGFLO ITEM 4 TZFLO ª OPER MODE DIAGS ALARM CHOOSE STREAM DATA CONCENTRATIONS OTHER MEASUREMENTS ANALOG INPUTS OPER MODE DIAGS ALARM The Stre...

Page 93: ...Communication Settings Streaming Data Config Select Item Concentrations CONCENTRATIONS NONE GAS CONC O3 CONC PERM CONC OPER MODE DIAGS ALARM The Other Measurements screen allows the user to select the output signal that is tied to the selected streaming data item The selected item is shown by after it In the Main Menu choose Instrument Controls Communication Settings Streaming Data Config Select I...

Page 94: ...IN 5 ANALOG IN 6 ª OPER MODE DIAGS ALARM The RS 232 RS 485 Selection screen allows the user to choose between the RS 232 or RS 485 specification for serial communication Note Disconnect the serial cable before changing RS 232 and RS 485 selection to prevent damage to the connected equipment In the Main Menu choose Instrument Controls Communication Settings RS 232 RS 485 Selection Analog Inputs RS ...

Page 95: ...MASK 255 255 255 0 GATEWAY 0 0 0 0 HOST NAME iSeries OPER MODE DIAGS ALARM The Use DHCP screen is used to specify whether to use DHCP or not In the Main Menu choose Instrument Controls Communication Settings TCP IP Settings Use DCHP DHCP CURRENTLY OFF SET TO ON TOGGLE VALUE CYCLE POWER TO CHANGE DHCP OPER MODE DIAGS ALARM The IP Address screen is used to edit the IP address The IP address can only...

Page 96: ... 255 255 255 000 MOVE CURSOR ª CHANGE VALUE SAVE VALUE OPER MODE DIAGS ALARM The Default Gateway screen is used to edit the gateway address In the Main Menu choose Instrument Controls Communication Settings TCP IP Settings Gateway DEFAULT GATEWAY CURRENT 10 209 42 1 SET TO 10 209 42 1 1 MOVE CURSOR ª CHANGE VALUE SAVE VALUE OPER MODE DIAGS ALARM The host name screen is used to edit the host name W...

Page 97: ...nu choose Instrument Controls I O Configuration Note The digital outputs may take up to one second after the assigned state occurs to show up on the outputs I O CONFIGURATION OUTPUT RELAY SETTINGS DIGITAL INPUT SETTINGS EXTERNAL SOLENOIDS ANALOG OUTPUT CONFIG ANALOG INPUT CONFIG OPER MODE DIAGS ALARM The Output Relay Settings menu displays a list of the 10 analog output relays available and allows...

Page 98: ...n or normally closed Press to toggle and set the logic state open or closed OUTPUT RELAY SETUP LOGIC STATE OPEN INSTRUMENT STATE OPER MODE DIAGS ALARM The Instrument State menu allows the user to select the instrument state that is tied to the selected relay output A submenu lists signal types of either alarm or non alarm to choose from In the Main Menu choose Instrument Controls I O Configuration...

Page 99: ...DIAGS ALARM PHOT LAMP TEMP PHOT INTENSITY O3 LEVEL The Non Alarm status screen allows the user to select the non alarm status for the selected relay output The selected item is shown by after it For more information on the I O connections see Remote Interconnections in the Installation chapter In the Main Menu choose Instrument Controls I O Configuration Output Relay Settings Select Relay Instrume...

Page 100: ...I O Configuration Digital Input Settings DIGITAL INPUT SETTINGS 1 NOP GAS BIT 1 2 NOP GAS BIT 2 3 NOP GAS BIT 3 4 NOP SPAN BIT 1 5 NOP SPAN BIT 2 6 NOP SPAN BIT 3 7 NOP O3 PERM BIT 1 ª OPER MODE DIAGS ALARM The Logic State screen is used to change the I O relay to either normally open or normally closed The default state is open which indicates that a relay connected between the digital input pin ...

Page 101: ...CHOOSE ACTION NONE GAS BIT 1 GAS BIT 2 GAS BIT 3 SPAN BIT 1 SPAN BIT 2 SPAN BIT 3 ª OPER MODE DIAGS ALARM O3 PERM BIT 1 O3 PERM BIT 2 O3 PERM BIT 3 O3 PERM BIT 4 PHOTO BIT 1 PHOTO BIT 2 AOUTS TO ZERO AOUTS TO FS The Model 146i can drive up to eight external solenoids You can select the external solenoids with the External Solenoids menu Each solenoid can be connected to the following Gas A B or C ...

Page 102: ...ed Press to toggle and set the logic state open or closed EXT SOLENOID SETUP LOGIC STATE OPEN INSTRUMENT STATE OPER MODE DIAGS ALARM The Instrument State menu allows the user to select the instrument state that is tied to the selected solenoid output A submenu lists signal types of either alarm or non alarm to choose from In the Main Menu choose Instrument Controls I O Configuration Ext Solenoid S...

Page 103: ... ALARM AMBIENT TEMP O3 LAMP TEMP PERM GAS TEMP PRESSURE PHOT BENCH TEMP ª OPER MODE DIAGS ALARM PHOT LAMP TEMP PHOT INTENSITY O3 LEVEL The Non Alarm status screen allows the user to select the non alarm status for the selected solenoid output The selected item is shown by after it In the Main Menu choose Instrument Controls I O Configuration Ext Solenoid Settings Select Solenoid Instrument State N...

Page 104: ...u choose Instrument Controls I O Configuration Analog Output Config OUTPUT CHANNELS ALL VOLTAGE CHANNELS ALL CURRENT CHANNELS VOLTAGE CHANNEL 1 VOLTAGE CHANNEL 2 VOLTAGE CHANNEL 3 VOLTAGE CHANNEL 4 VOLTAGE CHANNEL 5 ª OPER MODE DIAGS ALARM ANALOG OUTPUT CONFIG SELECT RANGE SET MINIMUM VALUE SET MAXIMUM VALUE CHOOSE SIGNAL TO OUTPUT OPER MODE DIAGS ALARM The Select Output Range screen is used to se...

Page 105: ...screen In the Main Menu choose Instrument Controls IO Configuration Analog Output Config Select Channel Set Minimum or Maximum Value MINIMUM OUTPUT PERCENT SELECTED OUTPUT V ALL CURRENTLY N A SET TO 0000 5 ª CHANGE VALUE SAVE OPER MODE DIAGS ALARM Table 3 3 Analog Output Zero to Full Scale Table Output Zero Value Full Scale 100 Value Gas Conc Zero 0 10 000 ppm O3 Conc Zero 0 Range setting Perm Con...

Page 106: ...Signal Type to Output screen displays a submenu list of the analog output signal group choices Group choices are Concentrations Other Measurements and Analog Inputs if the I O expansion board option is installed This allows the user to select the output signal to the selected output channel The Concentrations screen is shown below See Table 3 4 below for a list of items for each signal group choic...

Page 107: ...nput 8 Lamp Temperature O3 Lamp Temperature Intensity Noise The Analog Input Configuration menu displays a list of the 8 analog input channels available for configuration This screen is only displayed if the I O expansion board option is installed Configuration includes entering descriptor units decimal places choice of 1 10 points in the table and corresponding number of points selected In the Ma...

Page 108: ...rs in length and defaults to IN1 to IN8 user input channel number In the Main Menu choose Instrument Controls I O Configuration Analog Input Config Select Channel Descriptor ANALOG INPUT DESCRIPTOR CURRENTLY IN1 IN1 ABCDEFGHIJKLMN BKSP OPQRSTUVWXYZ PAGE 0123456789 SAVE OPER MODE DIAGS ALARM The Units screen allows the user to enter the units for the selected analog input channel The units are disp...

Page 109: ... Instrument Controls I O Configuration Analog Input Config Select Channel Decimal Places DECIMAL PLACES CURRENTLY 2 SET TO 3 ª CHANGE VALUE SAVE VALUE OPER MODE DIAGS ALARM The Number of Table Points screen allows the user to select how many points are used in the conversion table The points range from 2 to 10 with a default of 2 In the Main Menu choose Instrument Controls I O Configuration Analog...

Page 110: ...a two point table with point 1 0 00 V 000 0 U and point 2 10 00 V 10 0 U In the Main Menu choose Instrument Controls I O Configuration Analog Input Config Select Channel Select Point Volts TABLE POINT 01 VOLTS CURRENTLY 0 00 SET TO 00 00 MOVE CURSOR ª CHANGE VALUE SAVE OPER MODE DIAGS ALARM The User Value screen allows the user to set the output value for the corresponding input voltage for the se...

Page 111: ...eratures In the Main Menu choose Instrument Controls Screen Contrast SCREEN CONTRAST CURRENTLY 50 SET TO 60 ª CHANGE VALUE SAVE VALUE OPER MODE DIAGS ALARM The Service Mode screen is used to turn the service mode on or off The service mode locks out any remote actions and includes parameters and functions that are useful when making adjustments or diagnosing the Model 146i For more information abo...

Page 112: ...cess to diagnostic information and functions This menu is useful when troubleshooting the instrument The analog input readings and analog input voltages are only displayed if the I O expansion board option is installed In the Main Menu choose Diagnostics DIAGNOSTICS PROGRAM VERSION VOLTAGES FLOWS TEMPERATURES PRESSURE ANALOG INPUT READINGS ANALOG INPUT VOLTAGES ª OPER MODE DIAGS ALARM DIGITAL INPU...

Page 113: ...N PRODUCT MODEL 146i VERSION 01 02 12 095 OPER MODE DIAGS ALARM The Voltages menu displays the current diagnostic voltage readings This screen enables the power supply to be quickly read for low or fluctuating voltages without having to use a voltage meter The I O board is only displayed if the I O expansion board option is installed In the Main Menu choose Diagnostics Voltages VOLTAGES MOTHERBOAR...

Page 114: ...ages INTERFACE BOARD VOLTAGES 3 3 SUPPLY 3 3 V 5 0 SUPPLY 5 0 V 15 0 SUPPLY 15 0 V 15 0 SUPPLY 15 0 V 24 0 SUPPLY 24 0 V PHOTOMTR 12 0 V O3 LAMP 11 6 Vª OPER MODE DIAGS ALARM The I O Board screen read only is used to display the current voltage readings on the I O expansion board This menu is only displayed if the I O expansion board option is installed In the Main Menu choose Diagnostics Voltages...

Page 115: ...creen read only displays the current ambient temperature bench temperature bench lamp temperature ozone lamp temperature and permeation oven temperature In the Main Menu choose Diagnostics Temperatures TEMPERATURES AMBIENT 30 6 o C BENCH 30 7 o C BENCH LAMP 54 0 o C O3 LAMP 67 0 o C PERM OVEN GAS 40 0 o C PERM OVEN HTR 40 0 o C OPER MODE DIAGS ALARM The Pressure screen read only displays the curre...

Page 116: ...s screen read only displays the 8 raw analog voltage readings if the I O expansion board option is installed In the Main Menu choose Diagnostics Analog Input Voltages ANALOG INPUT VOLTAGES ANALOG IN 1 6 24 V ANALOG IN 2 4 28 V ANALOG IN 3 0 00 V ANALOG IN 4 0 00 V ANALOG IN 5 0 00 V ANALOG IN 6 0 00 V ANALOG IN 7 0 00 Vª OPER MODE DIAGS ALARM The Digital Inputs screen read only displays the state ...

Page 117: ...he state of the 10 digital outputs and allows toggling of the state to either on 1 or off 0 The solenoids are restored to their original states upon exiting this screen In the Main Menu choose Diagnostics Solenoid States SOLENOID STATE SOLENOID 1 1 SOLENOID 2 0 SOLENOID 3 0 SOLENOID 4 0 SOLENOID 5 0 SOLENOID 6 0 SOLENOID 7 0ª OPER MODE DIAGS ALARM The Test Analog Outputs menu contains a number of ...

Page 118: ... normal operation The example below shows the selected output state ALL is set to normal In the Main Menu choose Diagnostics Test Analog Outputs ALL Voltage Channel 1 6 or Current Channel 1 6 SET ANALOG OUTPUTS SETTING ALL OUTPUT SET TO NORMAL SET TO FULL SCALE ª SET TO ZERO RESET TO NORMAL OPER MODE DIAGS ALARM The Instrument Configuration screen displays information on the hardware configuration...

Page 119: ...he lower or upper limit the status of that item will go from OK to either LOW or HIGH respectively If the alarm is not a level alarm the status will go from OK to FAIL The number of alarms detected is displayed to indicate how many alarms have occurred If no alarms are detected the number zero is displayed To see the actual reading of an item and its minimum and maximum limits move the cursor to t...

Page 120: ... alarm limits range from 8 to 47 C If the ambient temperature reading goes beyond either the minimum or maximum alarm limit an alarm is activated The word ALARM appears in the Run screen and in the Main Menu In the Main Menu choose Alarms Ambient Temp AMBIENT TEMPERATURE ACTUAL 30 1 o C MIN 15 0 o C MAX 45 0 o C OPER MODE DIAGS ALARM The Minimum Ambient Temperature alarm limit screen is used to ch...

Page 121: ...um alarm limit an alarm is activated The word ALARM appears in the Run screen and in the Main Menu In the Main Menu choose Alarms O3 Lamp Temp O3 LAMP TEMPERATURE ACTUAL 68 8 o C MIN 60 0 o C MAX 80 0 o C OPER MODE DIAGS ALARM The Minimum O3 Lamp Temperature alarm limit screen is used to change the minimum O3 lamp temperature alarm limit The minimum and maximum O3 lamp temperature screens function...

Page 122: ... Temperature alarm limit screen is used to change the minimum bench temperature alarm limit The minimum and maximum permeation oven temperature screens function the same way In the Main Menu choose Alarms Perm Oven Temp Min or Max POVEN GAS EMPERATURE ACTUAL MIN 40 0 o C SET MIN TO 44 0 o C ª INC DEC SAVE VALUE OPER MODE DIAGS ALARM The Pressure screen displays the current reaction chamber pressur...

Page 123: ... mmHg SET MIN TO 250 0 mmHg ª INC DEC SAVE VALUE OPER MODE DIAGS ALARM The Photometer Bench Temperature screen displays the current bench temperature and sets the minimum and maximum alarm limits Acceptable alarm limits range from 10 to 50 C If the bench temperature reading goes beyond either the minimum or maximum limit an alarm is activated The word ALARM appears in the Run screen and in the Mai...

Page 124: ...and maximum alarm limits Acceptable alarm limits range from 45 to 65 C If the bench temperature reading goes beyond either the minimum or maximum limit an alarm is activated The word ALARM appears in the Run screen and in the Main Menu In the Main Menu choose Alarms Phot Lamp Temp PHOT LAMP TEMPERATURE ACTUAL 32 3 o C MIN 50 0 o C MAX 60 0 o C OPER MODE DIAGS ALARM The Minimum Photometer Lamp Temp...

Page 125: ...m limit an alarm is activated The word ALARM appears in the Run screen and in the Main Menu In the Main Menu choose Alarms Phot Intensity PHOTOMETER INTENSITY ACTUAL 98425 Hz MIN 45000 Hz MAX 150000 Hz OPER MODE DIAGS ALARM The Minimum Photometer Intensity alarm limit screen is used to change the minimum intensity alarm limit The minimum and maximum photometer intensity screens function the same w...

Page 126: ...IBRATION BENCH TEMP CALIBRATION ª OPER MODE DIAGS ALARM ANALOG OUT CALIBRATION ANALOG INPUT CALIBRATION PERM OVEN SETTINGS LAMP SETTING INTENSITY CHECK O3 RESPONSE COEFFICIENT DISPLAY PIXEL TEST RESTORE USER DEFAULTS The Flow Control Selection menu is used to select the installed zero air controller and gas controller The zero air and gas controller screens are used when installing new mass flow c...

Page 127: ...hese settings The mass flow controllers are accurate to only 2 upon delivery from the manufacturer The instrument includes factory set calibration curves to improve this accuracy To achieve an equivalent accuracy when installing new controllers see Zero Flow Calibration later in this chapter In the Main Menu choose Service Flow Control Selection Zero Scale ZERO AIR FLOW CONTROLLER CURRENTLY 5 SLM ...

Page 128: ...PER MODE DIAGS ALARM The Calibrate Pressure Temperature screen is used only prior to calibrating the flow controllers These values are used to convert from volumetric flow to standard flow in the flow controller calibration screens The flow controllers are calibrated prior to shipment However if you need to re calibrate the flow controllers you can use this screen to enter the pressure and tempera...

Page 129: ...e only when the instrument is in service mode For more information of the service mode see Service Mode earlier in the chapter Note This adjustment should only be performed by an instrument service technician In the Main Menu choose Service Zero Flow Calibration ZERO AIR FLOW CAL 5 FS 0 500 SLM 20 FS 2 000 SLM 35 FS 3 500 SLM 50 FS 5 000 SLM 65 FS 6 500 SLM 80 FS 8 000 SLM 95 FS 9 500 SLM OPER MOD...

Page 130: ...nstrument is in service mode For more information of the service mode see Service Mode earlier in the chapter Note This adjustment should only be performed by an instrument service technician In the Main Menu choose Service Gas Flow Calibration GAS FLOW CAL SOLENOID A 5 FS 0 500 SCCM 20 FS 2 000 SCCM 35 FS 3 500 SCCM 50 FS 5 000 SCCM 65 FS 6 500 SCCM 80 FS 8 000 SCCM OPER MODE DIAGS ALARM 95 FS 9 ...

Page 131: ...AS DRIVE 5 STD FLOW 010 22 SCCM VOL FLOW 010 24 SCCM MOVE CURSOR ª CHANGE VALUE SAVE OPER MODE DIAGS ALARM The Pressure Calibration menu is used to calibrate the pressure sensor to zero span or restore factory default values The pressure calibration is visible only if the photometer option is installed and when the calibrator is in service mode For more information on the service mode see Service ...

Page 132: ...PRESSURE ZERO CURRENTLY 753 0 mmHg SET TO 0 0 mmHg CONNECT VACUUM PUMP AND SAVE ZERO PRESSURE OPER MODE DIAGS ALARM The Calibrate Pressure Span screen is used to view and set the pressure sensor calibration span point Note The plumbing going to the pressure sensor should be disconnected so the sensor is reading ambient pressure before performing the span calibration The operator should use an inde...

Page 133: ... Calibration screen is used to view and set the ambient temperature sensor calibration The ambient temperature calibration is visible only when the instrument is in service mode For more information on the service mode see Service Mode earlier in the chapter Note This adjustment should only be performed by an instrument service technician In the Main Menu choose Service Ambient Temp Calibration Re...

Page 134: ... in the chapter Note This adjustment should only be performed by an instrument service technician In the Main Menu choose Service Bench Temp Calibration CALIBRATE BENCH TEMP CURRENTLY 32 3 o C SET TO 032 5 o C MOVE CURSOR ª CHANGE VALUE SAVE OPER MODE DIAGS ALARM The Analog Output Calibration menu is a selection of 6 voltage channels and 6 current channels if I O expansion board option is installe...

Page 135: ...connect a meter to the output and adjust the output until it reads 0 0 V on the meter In the Main Menu choose Service Analog Out Calibration Select Channel Calibrate Zero ANALOG OUTPUT CAL ZERO CONNECT METER TO OUTPUT SELECTED OUTPUT V1 SET TO 100 SAVE VALUE ª INC DEC SET OUTPUT TO 0 0 V OPER MODE DIAGS ALARM The Analog Output Calibrate Full Scale screen is used to calibrate the full scale state o...

Page 136: ...ible only when the instrument is in service mode For more information on the service mode see Service Mode earlier in the chapter Note This adjustment should only be performed by an instrument service technician In the Main Menu choose Service Analog Input Calibration ANALOG INPUT CAL INPUT CHANNEL 1 INPUT CHANNEL 2 INPUT CHANNEL 3 INPUT CHANNEL 4 INPUT CHANNEL 5 INPUT CHANNEL 6 INPUT CHANNEL 7 ª ...

Page 137: ...ect Channel Calibrate Full Scale Hook up a voltage source of 10 V to the analog input channel ANALOG INPUT CAL SPAN PROVIDE VOLTAGE TO INPUT SELECTED INPUT INPUT 1 CURRENTLY 6 24 V SET TO 10 00 V CALIBRATE INPUT TO ZERO OPER MODE DIAGS ALARM The Permeation Oven Settings menu is used for setting up and calibrating the permeation oven option The permeation oven settings are visible only if the perme...

Page 138: ...er bath or known resistance In the Main Menu choose Service Perm Oven Settings Cal Gas Thermistor CALIBRATE GAS THERMISTOR WATER BATH KNOWN RESISTOR OPER MODE DIAGS ALARM The Calibrate Gas Thermistor Water Bath screen is used to view and set the permeation oven gas temperature to a known temperature value In the Main Menu choose Service Perm Oven Settings Cal Gas Thermistor Water Bath CAL GAS THER...

Page 139: ...ODE DIAGS ALARM The Calibrate Oven Thermistor screen is used to view and set the permeation oven thermistor resistance to a known resistor value In the Main Menu choose Service Perm Oven Settings Cal Oven Thermistor CAL OVEN THERM RESISTOR CURRENTLY 3850 Ohms SET TO 04000 Ohms MOVE CURSOR ª CHANGE VALUE SAVE OPER MODE DIAGS ALARM The Permeation Oven Setpoint screen is used to select the permeation...

Page 140: ...hoose Service Perm Oven Settings Factory Cal Gas Therm FACTORY CAL GAS THERM LOW POINT HIGH POINT SET DEFAULTS OPER MODE DIAGS ALARM The Calibrate Gas Thermistor Low Point screen is used to view and set the permeation oven thermistor resistance The low and high point screens function the same way In the Main Menu choose Service Perm Oven Settings Factory Cal Gas Therm Low or High Point CAL GAS THE...

Page 141: ...en Settings Factory Cal Oven Therm FACTORY CAL OVEN THERM LOW POINT HIGH POINT SET DEFAULTS OPER MODE DIAGS ALARM The Calibrate Oven Thermistor Low Point screen is used to view and set the permeation oven thermistor resistance The low and high point screens function the same way In the Main Menu choose Service Perm Oven Settings Factory Cal Oven Therm Low or High Point Set Defaults Factory Calibra...

Page 142: ... lamp drive settings are displayed Adjust the lamp setting until the intensity is about 10000 Hz The lamp setting is visible only if the photometer option is installed and when the calibrator is in service mode For more information on the service mode see Service Mode earlier in the chapter In the Main Menu choose Service Lamp Setting BENCH LAMP SETTING INT 100246 Hz LAMP SETTING 61 1 ª CHANGE VAL...

Page 143: ... For more information on the service mode see Service Mode earlier in the chapter In the Main Menu choose Service Intensity Check INTENSITY CHECK REFERENCE GAS SAMPLE GAS OPER MODE DIAGS ALARM The Reference Gas screen read only sets the valves to route the reference gas through the photometer and displays the intensity and noise In the Main Menu choose Service Intensity Check Reference Gas PHOTOME...

Page 144: ... the calibrator is in service mode For more information on the service mode see Service Mode earlier in the chapter In the Main Menu choose Service O3 Response Coefficient O3 RESPONSE COEFFICIENT CURRENTLY 1 000 SET TO 1 250 ª CHANGE VALUE SAVE VALUE OPER MODE DIAGS ALARM The Display Pixel Test is used to test the LCD display The display pixel test is visible only when the instrument is in service...

Page 145: ... of the settings may be changed via the front panel user interface The items visible under the password menu are determined by the instrument s password status In the Main Menu choose Password PASSWORD MENU SET PASSWORD LOCK INSTRUMENT CHANGE PASSWORD REMOVE PASSWORD UNLOCK INSTRUMENT OPER MODE DIAGS ALARM The Set Password screen is used to set the password to unlock the front panel The set passwo...

Page 146: ...t is unlocked and the password is set In the Main Menu choose Password Lock Instrument LOCK FRONT PANEL XXXPRESSING ENTER WILLXXXX PREVENT USER FROM CHANGING XCONFIG FROM FRONT PANELXX LOCK AND RETURN TO RUN OPER MODE DIAGS ALARM The Change Password is used to change the password used to unlock the instrument s front panel The change password is shown if the instrument is unlocked In the Main Menu...

Page 147: ...ssword Remove Password REMOVE PASSWORD XXXPRESSING ENTER WILLXXXX XREMOVE CURRENT PASSWORDXX XXXAND DISABLE LOCKINGXXXX REMOVE PASSWORD OPER MODE DIAGS ALARM The Unlock Instrument screen is used to enter the password to unlock the front panel The unlock instrument is shown if the instrument is locked In the Main Menu choose Password Unlock Instrument ENTER NEW PASSWORD RANGXXXXXE ABCDEFGHIJKLMN BK...

Page 148: ......

Page 149: ...curate calibration procedure use a volumetric NIST traceable calibrator with the following step by step calibration procedure 1 Connect a source of clean dry air to the inlet of the mass flow controller 2 Measure barometric pressure and room temperature 3 Connect a suitable flow meter to the mass flow controller outlet 4 Set Model 146i to Gas Drive or Zero Air Flow Calibration as described in the ...

Page 150: ... primary standard must be used If an ozone analyzer is also available the generation of the calibration curve becomes easier A procedure for both is given below Calibration Using a Model 49i PS Use the following procedure to calibrate the Model 146i using a Model 49i PS Refer to the Photometer Calibration Flow Schematic Figure 4 1 1 Connect the 49i PS OUTPUT to the 146i EXTERNAL SAMPLE port 2 Set ...

Page 151: ...low Schematic Ozonator Control Check Use the following procedure to perform an ozonator control check Refer to the ozonator control check flow schematic Figure 4 2 1 Connect the 146i OUTPUT port to the 49i PS INPUT port 2 Set ozone concentration at different levels 3 Compare the ozone concentration readings on the 146i and 49i PS ...

Page 152: ...Calibration Ozonator Control Check 4 4 Model 146i Instruction Manual Thermo Fisher Scientific Figure 4 2 Ozonator Control Check Flow Schematic ...

Page 153: ...s cleaning the optics and checking the pressure calibration should be performed on a regular basis This chapter includes the following maintenance information and replacement procedures Safety Precautions on page 5 2 Replacement Parts on page 5 2 Accessing the Service Mode on page 5 2 Outside Case Cleaning on page 5 2 Fan Filter Inspection and Cleaning on page 5 3 Photometer Cleaning on page 5 3 M...

Page 154: ... Mode screen appears 2 Press to toggle the Service Mode to ON 3 Press to return to the Main Menu 4 Return to the procedure Outside Case Cleaning Clean the outside case using a damp cloth being careful not to damage the labels on the case WARNING If the equipment is operated in a manner not specified by the manufacturer the protection provided by the equipment may be impaired Equipment Damage Some ...

Page 155: ...hen the photometer is cleaned prior to recalibration The cleanliness of the photometer should also be checked any time the detector frequency drops below 65 kHz since one source of low output is light attenuation due to dirt in the cell Dirt particulates are usually effective ozone removers Use the following procedure to clean the photometer Figure 7 12 1 Turn instrument OFF unplug the power cord ...

Page 156: ...hat the tube fits into 9 Replace the photometer components following the previous steps in reverse Note It is recommended that the Model 146i be recalibrated if the photometer has been completely disassembled Always check for leaks after replacing any component Refer to Leak Test and Pump Checkout in the Servicing chapter 10 Re install the instrument cover Monitoring Detector Frequency and Noise T...

Page 157: ...fully warmed up lamp see Troubleshooting Guides on page 6 2 in the Troubleshooting chapter if the noise is excessive Degradation of detector frequency to below 65 kHz indicates either a dirty cell or low lamp output In addition to degrading the measured detector frequency dirt in the cell can decompose the ozone and give erroneous readings Therefore the cell should first be cleaned and the frequen...

Page 158: ...trument If you need the capillary part number refer to the Replacement Parts List on page 7 5 Ozonator Capillary Replacement Ozonator option Use the following procedure to replace the ozonator capillary Figure 5 2 Equipment Required Ozonator capillary 1 Turn instrument OFF unplug the power cord and remove the cover 2 Unscrew the knurled fitting separate the components and remove the capillary Figu...

Page 159: ...lowing procedure to replace the pressure regulator capillary Figure 5 3 Equipment Required Pressure regulator capillary 1 Turn instrument OFF unplug the power cord and remove the cover 2 Unscrew the knurled fitting separate the components and remove the capillary Figure 5 3 Capillary Equipment Damage Some internal components can be damaged by small amounts of static electricity A properly grounded...

Page 160: ...ents with the photometer option use the following procedure to replace the pump capillary Figure 5 4 Equipment Required Pump capillary 1 Turn instrument OFF unplug the power cord and remove the cover 2 Loosen the fitting connecting the capillary to the pump and remove the capillary Figure 5 4 Capillary Equipment Damage Some internal components can be damaged by small amounts of static electricity ...

Page 161: ...e Pump Replacement Photometer option on page 7 16 in the Servicing chapter Equipment Required Flatblade screwdriver Pump rebuild kit flapper valve and diaphragm 1 Turn instrument OFF unplug the power cord and remove the cover 2 Loosen the fittings and remove both lines going to the pump Capillary Equipment Damage Some internal components can be damaged by small amounts of static electricity A prop...

Page 162: ... the Pump 4 Remove the screw the securing the diaphragm to piston and remove diaphragm 5 Assemble the pump by following the previous steps in reverse make sure the Teflon white side of the diaphragm is facing up and that the flapper valves cover the holes of the top and bottom plate 6 Test the pump for leaks Refer to Leak Test and Pump Checkout in the Servicing chapter Top Plate Flapper Plate Bott...

Page 163: ...the same information found in the Diagnostic menu however readings are updated every second in the service mode compared with every 10 seconds in the Diagnostics menu The Technical Support Department at Thermo Fisher Scientific can also be consulted in the event of problems See Service Locations at the end of this chapter for contact information In any correspondence with the factory please note b...

Page 164: ...20 volts Check instrument fuse Power supply Check power supply voltages Flow controller unstable Leak Perform a leak check see Servicing chapter Flow controller malfunction Replace Flow Controller Solenoid not switching in local mode Instrument in remote mode Put instrument in local mode Solenoid malfunction Check 24 VDC on solenoid connector Check solenoid cable Check solenoid for continuity and ...

Page 165: ...ator board see Servicing chapter Low ozonator output Leak in ozonator or distribution manifold Check for leaks in ozonator and manifold system see Servicing chapter and repair leak Flow excessively high Check zero air flow valve and reduce flow Ozonator board failure Replace ozonator board see Servicing chapter Weak lamp Check to see that there is a bright blue light when removing the ozone lamp f...

Page 166: ...rement interface board Replace measurement interface board Cell frequency low or zero Light setting too low Raise lamp setting Service Mode Lamp Setting Contaminated cell Clean cell Defective detector Replace detector module Defective photometer board Replace photometer board Defective measurement interface board Replace measurement interface board Cell noise excessive Contaminated cell Clean cell...

Page 167: ...Verify averaging time is set properly Leak Perform leak test see Servicing chapter Contaminated optical bench Clean bench and then condition system overnight Table 6 2 Troubleshooting Alarm Messages Alarm Message Possible Cause Action Alarm O3 Lamp Temp Defective ozonator board Replace ozonator board Defective ozonator lamp heater Replace ozonator lamp heater Alarm Lamp Temp Defective photometer b...

Page 168: ...bleshooting information Oz Level 3 Check Opt Does not reach the level 3 setting See Table 6 1 for troubleshooting information Oz Level 4 Check Opt Does not reach the level 4 setting See Table 6 1 for troubleshooting information Alarm O3 Conc Concentration has exceeded range limit Check to insure range corresponds with expected value If not select proper range Concentration low Check user defined l...

Page 169: ...vice Disconnect external devices from board and recycle power If alarm persists replace board Internal cables not connected properly Check that all internal cables are connected properly Defective optional I O expansion board Replace board Table 6 2 Troubleshooting Alarm Messages continued Alarm Message Possible Cause Action ...

Page 170: ...nics 2 Pin P1 DIGITAL OUTPUTS 24V D C P O W E RSU P P LY MO THE RBO AR D D IG ITALO U TP U T BO AR D I OE XP ANSIO N BO AR D J14 J3 F R O NT P ANE L BO AR D J1 LCD DISPLAY KEY PANEL J18 J2 J4 J3 J1 J10 J17 PJ1 PJ3 PJ2 FRONT PANEL POWER SW 16 Pin 4 Pin 8 Pin 34 Pin 3 Pin 2 Pin 3 Pin 3 Pin 3 Pin PJ6 3 Pin IPJ8 3 Pin 8 Pin 11 Pin 2 Pin EXPANSION RS485 ANALOG OUTPUTS DIGITAL INPUTS P1 A P1 B RS232 RS4...

Page 171: ...UPPLY 8 Pin LAMP HEATER LAMP 6 Pin 2 Pin J2 J1 J3 PHOTOMETER POWER SUPPLY 8 Pin MASS FLOW CONTROLLER 2 6 Pin MASS FLOW CONTROLLER 1 6 Pin DETECTOR 6 Pin J4 PRESSURE 4 Pin J6 J7 J16 J15 J5 J10 J3 J2 PUMP AC 3 Pin AC 2 Pin BENCH TEMP THERM J4 J5 2 Pin 2 Pin J3 2 Pin J1 J2 2 Pin 2 Pin J7 J8 2 Pin 2 Pin J6 2 Pin RC SOL 2 Pin 2 Pin SAMP REF SOL 2 Pin OZ SOL PERM1 SOL 2 Pin 2 Pin PERM2 SOL FAN FAN 2 Pin...

Page 172: ... Pin Descriptions on page 6 19 Measurement Interface Board Connector Pin Descriptions on page 6 20 Solenoid Connector Board Pin Descriptions on page 6 23 Ozonator Power Supply Connector Pin Descriptions on page 6 24 Photometer Power Supply Connector Pin Descriptions on page 6 25 Table 6 3 Motherboard Connector Pin Descriptions Connector Label Reference Designator Pin Signal Description INTF DATA J...

Page 173: ...xpansion Board 8 RS485 to Expansion Board SPARE DATA J4 1 5V 2 24V 3 24V 4 Ground 5 Ground 6 Ground 7 RS485 to Spare Board 8 RS485 to Spare Board I O J5 1 Power Fail Relay N C Contact 2 Ground 3 TTL Input 1 4 TTL Input 2 5 Ground 6 TTL Input 5 7 TTL Input 7 8 TTL Input 8 9 TTL Input 10 10 Ground 11 TTL Input 13 Table 6 3 Motherboard Connector Pin Descriptions continued Connector Label Reference De...

Page 174: ... N O Contact 22 Ground 23 TTL Input 3 24 TTL Input 4 25 TTL Input 6 26 Ground 27 TTL Input 9 28 TTL Input 11 29 TTL Input 12 30 TTL Input 14 31 TTL Input 16 32 Ground 33 Analog Voltage Output 2 34 Analog Voltage Output 4 35 Ground 36 Analog Voltage Output 6 37 Ground SER EN J7 1 Serial Enable Jumper 2 3 3V 24V IN J10 1 24V 2 Ground DIGITAL I O J14 1 5V 2 24V 3 24V Table 6 3 Motherboard Connector P...

Page 175: ...5 J15 1 RS485 to Rear Panel 2 RS485 to Rear Panel 3 5V 4 5V 5 5V 6 Ground 7 Ground 8 Ground 9 NC 10 NC 11 24V 12 24V 13 24V 14 24V 15 24V 24V MONITOR J17 1 24V Power Monitor 2 Ground FRONT PANEL BD J18 1 Ground 2 Ground 3 LCLK LCD Signal 4 Ground 5 Ground 6 LLP LCD Signal 7 LFLM LCD Signal Table 6 3 Motherboard Connector Pin Descriptions continued Connector Label Reference Designator Pin Signal De...

Page 176: ... Ground 20 LCD_ONOFF LCD Signal 21 Keypad Row 2 Input 22 Keypad Row 1 Input 23 Keypad Row 4 Input 24 Keypad Row 3 Input 25 Keypad Col 2 Select 26 Keypad Col 1 Select 27 Keypad Col 4 Select 28 Keypad Col 3 Select 29 Ground 30 Ground 31 Ground 32 Ground 33 24V 34 24V RS232 RS485 A P1 A 1 NC 2 Serial Port 1 RX RS485 IN 3 Serial Port 1 TX RS485 OUT 4 NC 5 Ground 6 NC Table 6 3 Motherboard Connector Pi...

Page 177: ...S485 OUT 8 Serial Port 2 CTS RS485 IN 9 NC AC IN PJ1 1 AC HOT 2 AC NEUT 3 AC Ground AC 24VPWR PJ2 1 AC HOT 2 AC NEUT 3 AC Ground AC INTF BD PJ3 1 AC HOT 2 AC NEUT 3 AC Ground Table 6 4 Front Panel Board Connector Pin Diagram Connector Label Reference Designator Pin Signal Description MOTHER BOARD J1 1 Ground 2 Ground 3 LCLK LCD Signal 4 Ground 5 Ground 6 LLP LCD Signal Table 6 3 Motherboard Connec...

Page 178: ...und 19 Ground 20 LCD_ONOFF LCD Signal 21 Keypad Row 2 Input 22 Keypad Row 1 Input 23 Keypad Row 4 Input 24 Keypad Row 3 Input 25 Keypad Col 2 Select 26 Keypad Col 1 Select 27 Keypad Col 4 Select 28 Keypad Col 3 Select 29 Ground 30 Ground 31 Ground 32 Ground 33 24V 34 24V LCD DATA J2 1 LFLM_5V LCD Signal 2 LLP_5V LCD Signal 3 LCLK_5V LCD Signal 4 LCD_ONOFF_5V LCD Signal 5 5V Table 6 4 Front Panel B...

Page 179: ...Row 3 Input 4 Keypad Row 4 Input 5 Keypad Col 1 Select 6 Keypad Col 2 Select 7 Keypad Col 3 Select 8 Keypad Col 4 Select LCD BACKLIGHT J4 1 LCD Backlight Voltage 1 2 NC 3 NC 4 LCD Backlight Voltage 2 Table 6 5 I O Expansion Board Optional Connector Pin Descriptions Connector Label Reference Designator Pin Signal Description EXPANSION I O J1 1 Analog Voltage Input 1 2 Analog Voltage Input 2 3 Analo...

Page 180: ...1 16 Current Output Return 17 Current Output 2 18 Current Output Return 19 Current Output 3 20 Current Output Return 21 Current Output 4 22 Current Output Return 23 Current Output 5 24 Current Output Return 25 Current Output 6 MOTHER BD J2 1 5V 2 24V 3 24V 4 Ground 5 Ground 6 Ground 7 RS485 to Motherboard 8 RS485 to Motherboard Table 6 5 I O Expansion Board Optional Connector Pin Descriptions cont...

Page 181: ...PI Output 10 SPI Board Select 11 SPI Clock DIGITAL OUTPUTS J2 1 Relay 1 Contact a 2 Relay 2 Contact a 3 Relay 3 Contact a 4 Relay 4 Contact a 5 Relay 5 Contact a 6 Relay 6 Contact a 7 Relay 7 Contact a 8 Relay 8 Contact a 9 Relay 9 Contact a 10 Relay 10 Contact a 11 NC 12 Solenoid Drive Output 1 13 Solenoid Drive Output 2 14 Solenoid Drive Output 3 15 Solenoid Drive Output 4 16 Solenoid Drive Outp...

Page 182: ...24V 31 24V 32 24V 33 24V 34 24V 35 24V 36 24V 37 24V Table 6 7 Measurement Interface Board Connector Pin Descriptions Connector Label Reference Designator Pin Signal Description AC IN J1 1 AC HOT 2 AC NEUT 3 AC Ground AC PUMP J2 1 AC HOT 2 AC NEUT Switched 3 AC Ground BENCH TEMP J3 1 Bench Temperature Thermistor 2 Ground PRES J4 1 Pressure Sensor Input 2 Ground 3 15V Table 6 6 Digital Output Board...

Page 183: ...rmistor 4 24V 5 Ground 6 Ozonator Lamp On off Control 7 Ground 8 Ground PHOTOMETER J7 1 Photometer Lamp Intensity Control Voltage Output 2 Photometer Lamp Intensity Control Voltage Input 3 Photometer Heater Thermistor 4 24V 5 Ground 6 Photometer Lamp On Off Control 7 Ground 8 Ground FAN J8 1 24V Fused 2 Ground FAN J9 1 24V Fused 2 Ground 24V IN J10 1 24V 2 Ground DATA J11 1 Ground Table 6 7 Measur...

Page 184: ...troller 1 Input 2 Mass Flow Controller 1 Output 3 Ground 4 15V 5 15V 6 Ground MFC2 J16 1 Mass Flow Controller 2 Input 2 Mass Flow Controller 2 Output 3 Ground 4 15V 5 15V 6 Ground CONNECTOR BD J17 1 Gas A Solenoid Control 2 Gas C Solenoid Control 3 24V 4 Gas E Solenoid Control 5 Z A Solenoid Control 6 Gas B Solenoid Control 7 Gas D Solenoid Control 8 24V 9 Gas F Solenoid Control 10 EXT INT Solenoi...

Page 185: ...r Board Pin Descriptions Connector Label Reference Designator Pin Signal Description BRN Gas A Solenoid Control ORG Gas C Solenoid Control RED 24V GRN Gas E Solenoid Control VIO Z A Solenoid Control WHT Gas B Solenoid Control YEL Gas D Solenoid Control RED 24V BLU Gas F Solenoid Control GRA EXT INT Solenoid Control GAS A J1 1 24V 2 Gas A Solenoid Control GAS B J2 1 24V 2 Gas B Solenoid Control GAS...

Page 186: ...ce Designator Pin Signal Description LAMP J1 1 Ozonator Lamp Voltage Out 2 Ozonator Lamp Voltage Return LAMP HEATER J2 1 Ground 2 Ozonator Lamp Thermistor 1 3 Ozonator Lamp Heater Control 4 Ground 5 24V Heater Current Sense 6 Ozonator Lamp Thermistor 2 INTF J3 1 Ozonator Lamp Intensity Control Voltage Input 2 Ozonator Lamp Intensity Control Voltage Output 3 Ozonator Heater Thermistor 4 24V 5 Groun...

Page 187: ... International Table 6 10 Photometer Power Supply Connector Pin Descriptions Connector Label Reference Designator Pin Signal Description LAMP J1 1 Photometer Lamp Voltage Out 2 Photometer Lamp Voltage Return LAMP HEATER J2 1 Ground 2 Photometer Lamp Thermistor 1 3 Photometer Lamp Heater Control 4 Ground 5 24V Heater Current Sense 6 Photometer Lamp Thermistor 2 INTF J3 1 Photometer Lamp Intensity C...

Page 188: ...Troubleshooting Service Locations 6 26 Model 146i Instruction Manual Thermo Fisher Scientific ...

Page 189: ...r additional service assistance see Service Locations on page 7 54 at the end of this chapter This chapter includes the following parts information testing adjustment and calibration procedures and component replacement procedures Safety Precautions on page 7 3 Firmware Updates on page 7 4 Replacement Parts List on page 7 5 Cable List on page 7 6 External Device Connection Components on page 7 7 R...

Page 190: ...mp Replacement Photometer option on page 7 31 Photometer Lamp Voltage Adjustment Photometer option on page 7 33 Photometer Lamp Heater Replacement on page 7 33 Photometer Replacement Photometer option on page 7 34 Photometer Board Replacement Photometer option on page 7 35 Detector Replacement Photometer option on page 7 35 Photometer Thermistor Replacement on page 7 36 Photometer Temperature Cali...

Page 191: ...lacement on page 7 49 Back Pressure Regulator Replacement on page 7 50 Pressure Regulator s Adjustment on page 7 51 Ambient Temperature Calibration on page 7 53 Service Locations on page 7 54 Safety Precautions Read the safety precautions before beginning any procedures in this chapter WARNING The service procedures in this manual are restricted to qualified service representatives If the equipmen...

Page 192: ...t be worn while handling any internal component Figure 7 1 If an antistatic wrist strap is not available be sure to touch a grounded metal object before touching any internal components When the instrument is unplugged the chassis is not at earth ground Handle all printed circuit boards by the edges Do not remove the LCD panel or frame from the LCD module The polarizing plate is very fragile handl...

Page 193: ... Supply 101399 00 Transformer 220 240VAC Optional 101863 00 Transformer 100VAC Optional 100880 00 Measurement Interface Board 102590 00 Ozonator 102775 00 Ozonator Lamp 100895 00 Ozonator Board 101023 00 Pressure Transducer 102455 00 Air Regulator Assembly Optional 103209 00 Detector Assembly 102351 00 Photometer Lamp Heater Assembly 102570 00 Photometer 8540 Photometer Lamp 102554 00 Photometer B...

Page 194: ...r 10 slpm 8094 Mass Flow Controller 20 slpm 4120 Capillary photometer 4121 Capillary ozonator 4121 Capillary pressure gauge 4127 Capillary pump 103199 00 Solenoid sample reference 103205 00 Solenoid ozonator 103334 00 Solenoid perm 1 103200 00 Solenoid perm 2 103207 00 Solenoid reaction chamber 8130 Solenoid zero air 103125 00 Solenoid external internal 103206 00 Solenoid span gas 4291 Charcoal sc...

Page 195: ...ement Interface Board to Ozonator Board 101267 00 Fan Power Cable 49P747 Mass Flow Controller Cable Assembly Table 7 2 Model 146i Cables continued Part Number Description Table 7 3 External Device Connection Components Part Number Description 101562 00 Terminal Block and Cable Kit DB25 optional 101556 00 Terminal Block and Cable Kit DB37 optional 102645 00 Cable DB37M to Open End Cable Six Feet op...

Page 196: ...p Solenoids Span Gas Mass Flow Controllers External Internal Solenoid Back Pressure Regulator Reaction Chamber Solenoid Permeation Oven Reaction Pressure Regulator Solenoid Perm 2 Ozonator Capillary Ozonator Capillary Pressure Gauge Capillary Photometer Photometer Capillary Pump Pressure Transducer Chamber Solenoid Sample Reference Solenoid Ozonator DC Power Supply Fan Manifold Solenoid Perm 1 Sol...

Page 197: ... see Figure 7 3 Figure 7 3 Removing the Measurement Bench and Lowering the Partition Panel Equipment Required Philips screwdriver 1 Turn instrument OFF and unplug the power cord 2 Disconnect the plumbing connections at the rear of the measurement bench Pass Through Connectors Partition Panel Loosen Captive Screw Remove Screw Remove Screws Remove Screw REMOVE SCREWS SLIDE BENCH OUT LOWER PANEL Remo...

Page 198: ...urely loosen the captive screw at the rear of the measurement bench and pull the measurement bench from the rear of the case 10 Remove the screw at the top rear of the partition panel securing the top of partition panel to the measurement bench and lower the panel being careful not to put excessive tension on the cables 11 Replace the measurement bench by following the previous steps in reverse Fu...

Page 199: ...to the procedure Leak Test and Pump Checkout with Photometer Option Use the following procedure to check for leaks in the system and to leak test the pump This procedure is for Model 146i instruments that have the photometer option For Model 146i instruments that do not have the photometer option refer to Leak Test and Pump Checkout without Photometer Option WARNING The service procedures in this ...

Page 200: ...e to scroll to Pressure and press to display the Pressure screen The pressure reading should drop to less than 250 mm Hg If the pump diaphragm is in good condition and the capillary is not blocked it should take less than 20 seconds from the time the inlet is plugged to the time the reading drops below 250 mm Hg If a leak is suspected carefully tighten each fitting until the leak is found and chec...

Page 201: ... 4 Connect a shutoff valve between the external vacuum pump intake and the vacuum gauge 5 Attach the external vacuum pump vacuum gauge assembly with the vacuum gauge side to the calibrator EXHAUST port 6 Apply vacuum until the gauge stabilizes then trap the vacuum with the shut off valve WARNING The service procedures in this manual are restricted to qualified service representatives If the equipm...

Page 202: ...edure Mass Flow Controller Replacement Use the following procedure to replace a mass flow controller Figure 7 4 Equipment required Wrenches 7 16 and 9 16 Philips screwdrivers 1 and 2 Flatblade screwdriver New mass flow controller 1 Turn instrument OFF unplug the power cord and remove the cover 2 Loosen all four fittings to mass flow controllers Equipment Damage Some internal components can be dama...

Page 203: ...ntroller 4 Remove plumbing from flow controllers 5 Disconnect fan electrical connector 6 Remove four screws holding flow controller bracket to floor plate 7 Remove flow controller assembly 8 Remove defective flow controller from bracket by removing the two screws holding flow controller to bracket 9 Install new flow controller by following the above directions in reverse 10 Leak check system and r...

Page 204: ... 1 Turn instrument OFF unplug the power cord and remove the cover 2 Disconnect pump power line from AC PUMP connector on the measurement interface board Figure 7 5 Replacing the Pump 3 Remove both lines from pump 4 Loosen the four captive screws holding the pump to the mounting plate and remove the pump Equipment Damage Some internal components can be damaged by small amounts of static electricity...

Page 205: ...ord and remove the cover 2 Remove the measurement bench Refer to Removing the Measurement Bench and Lowering the Partition Panel on page 7 9 3 Pull the power connector off the fan 4 Remove the fan guard from the fan and remove the filter 5 Remove the four fan mounting screws and remove the fan 6 Install a new fan following the previous steps in reverse Equipment Damage Some internal components can...

Page 206: ...er 1 Turn instrument OFF unplug the power cord and remove the cover 2 Remove the mass flow controllers Refer to Mass Flow Controller Replacement on page 7 14 3 Disconnect the electrical connection from the fan 4 Remove the fan mounting screws 4 and nuts and remove the fan 5 Install the new fan using the previous steps in reverse Fan Guard Filter Mounting Screws 4 Equipment Damage Some internal com...

Page 207: ... to the channel to be tested Figure 7 7 shows the analog output pins and Table 7 4 identifies the associated channels 2 From the Main Menu press to scroll to Diagnostics press to scroll to Test Analog Outputs and press The Test Analog Outputs screen appears 3 Press to scroll to the channel corresponding to the rear panel terminal pins where the meter is connected and press The Set Analog Outputs s...

Page 208: ...og outputs should be adjusted Refer to the Analog Output Calibration procedure that follows 8 Press to reset the analog outputs to normal Figure 7 7 Rear Panel Analog Input and Output Pins Analog Voltage Outputs Current Outputs Analog Voltage Inputs Table 7 4 Analog Output Channels and Rear Panel Pin Connections Voltage Channel Pin Current Channel Pin 1 14 1 15 2 33 2 17 3 15 3 19 4 34 4 21 5 17 5...

Page 209: ...Figure 7 7 shows the analog output pins and Table 7 4 identifies the associated channels 2 From the Main Menu press to scroll to Service press to scroll to Analog Out Calibration and press The Analog Output Cal screen appears Note If Service is not displayed refer to Accessing the Service Mode on page 7 11 then return to the beginning of this step Ground 16 18 19 35 37 Current Output Return 16 18 ...

Page 210: ... to select Calibrate Full Scale 8 Use until the meter reads the value shown in the Set Output To line then press to save the value Analog Input Calibration Use the following procedures to calibrate the analog inputs after replacing the optional I O expansion board These procedures include selecting analog input channels calibrating them to zero volts and then calibrating them to full scale using a...

Page 211: ...ecessary 6 Continue with the Calibrating the Input Channels to Full Scale procedure that follows Calibrating the Input Channels to Full Scale Use the following procedure to calibrate the input channels to full scale by applying a known voltage to the channels Equipment Required DC voltage source greater than 0 volts and less than 10 volts 1 Connect the known DC voltage source to the input channel ...

Page 212: ...voltage as necessary I O Expansion Board Replacement Optional Use the following procedure to replace the optional I O expansion board Figure 7 8 Note After replacing the optional I O expansion board calibrate the current outputs and the analog voltage inputs See the Analog Output Calibration on page 7 21 and the Analog Input Calibration on page 7 22 in this chapter Equipment Required I O expansion...

Page 213: ...nel Figure 7 9 4 Pop off the board from the mounting studs and remove the board 5 To install the I O expansion board follow previous steps in reverse Figure 7 8 Replacing the I O Expansion Board Optional Figure 7 9 Rear Panel Board Connectors I O Expansion Board Opt Digital Output Board Motherboard Mounting Studs Motherboard Support Bracket Motherboard Digital Output Board I O Expansion Board ...

Page 214: ...er 3 Disconnect the digital output board ribbon cable from the motherboard 4 Using the nut driver remove the two standoffs securing the board to the rear panel Figure 7 9 5 Pop off the digital output board from the mounting studs and remove the board 6 To install the digital output board follow previous steps in reverse Motherboard Replacement Use the following procedure to replace the motherboard...

Page 215: ...fs securing the board to the rear panel 6 Pop off the motherboard from motherboard support bracket and remove the motherboard 7 To install the motherboard follow previous steps in reverse Measurement Interface Board Replacement Use the following procedure to replace the measurement interface board Figure 7 10 Equipment Required Measurement interface board Philips screwdriver Equipment Damage Some ...

Page 216: ...he top of the board 4 Pop off the measurement interface board from the two mounting studs at the bottom of the board and remove the board Figure 7 10 Replacing the Measurement Interface Board 5 To install the measurement interface board follow previous steps in reverse 6 Re install the measurement bench Refer to Removing the Measurement Bench and Lowering the Partition Panel on page 7 9 Front Pane...

Page 217: ...ttom support 4 Replace the front panel board by following previous steps in reverse Figure 7 11 Replacing the Front Panel Board and the LCD Module LCD Module Replacement Use the following procedure to replace the LCD module Figure 7 11 Equipment Required Equipment Damage Some internal components can be damaged by small amounts of static electricity A properly grounded antistatic wrist strap must b...

Page 218: ... your skin or clothes If the liquid crystal contacts your skin or clothes wash it off immediately using soap and water Equipment Damage Some internal components can be damaged by small amounts of static electricity A properly grounded antistatic wrist strap must be worn while handling any internal component Do not remove the panel or frame from the module The polarizing plate is very fragile handl...

Page 219: ...s a ratio instrument and replacing the lamp does not affect the calibration However after replacing the photometer lamp you must adjust the photometer lamp voltage to ensure proper operation Refer to the Photometer Lamp Voltage Adjustment procedure that follows to adjust the photometer lamp voltage Use the following procedure to replace the photometer lamp Figure 7 12 Equipment required Allen wren...

Page 220: ... clamp screw 7 Plug the new photometer lamp cable into the LAMP connector on the photometer board 8 Re install the instrument cover 9 Reconnect power and turn instrument ON 10 After lamp has stabilized approximately 15 minutes refer to the Photometer Lamp Voltage Adjustment procedure that follows to adjust the photometer lamp voltage Thermistor Detector Detector Retaining Screw Photometer Lamp Ins...

Page 221: ...Service is not displayed refer to Accessing the Service Mode on page 7 11 then return to the beginning of this step 2 At the Photometer Lamp Setting screen use to increment decrement the Lamp Setting until Intensity indicates approximately 100 000 Hz 3 Press to save the setting Photometer Lamp Heater Replacement Use the following procedure to replace the photometer lamp heater Figure 7 12 Equipmen...

Page 222: ...hotometer Allen wrench 7 64 inch Open end wrench 9 16 inch Use the following procedure to replace the photometer 1 Turn instrument OFF unplug the power cord and remove the cover 2 Disconnect the plumbing and electrical connections 3 Loosen the four 4 socket head retaining screws securing the photometer to the floor plate Figure 7 12 and remove the photometer 4 Perform the previous steps in reverse...

Page 223: ...Ozonator Board Replacement Ozonator option on page 7 45 3 Remove the cables from the board 4 Remove the two screws from the top of the board 5 Pop off the board from the bottom mounting studs and remove the board 6 To install the new photometer board follow previous steps in reverse 7 Reinstall the ozonator board Detector Replacement Photometer option Use the following procedure to replace the pho...

Page 224: ...photometer lamp intensity if necessary via Service Lamp Setting Photometer Thermistor Replacement Use the following procedure to replace the photometer thermistor Figure 7 12 Equipment Required Photometer thermistor Wrench 1 4 inch 1 Turn instrument OFF unplug the power cord and remove the cover 2 Disconnect the thermistor electrical connection Equipment Damage Some internal components can be dama...

Page 225: ... an accurately known 10K resistor to the thermistor input TEMP on the measurement interface board and enter the temperature reading A 1 C change corresponds to a 5 change in resistance thus this alternative procedure can be quite accurate as a check however it clearly is not NIST traceable 3 From the Main Menu press to scroll to Service press to scroll to Temperature Calibration and press The Cali...

Page 226: ...ut on page 7 8 to locate these solenoids within the instrument If you need the solenoid part number refer to the Replacement Parts List on page 7 5 External Internal solenoid Ozonator solenoid Perm1 and Perm 2 solenoids Reaction chamber solenoid Sample Reference solenoid Span gas solenoids Zero air solenoid Use the following general replacement procedure to replace a solenoid Equipment required So...

Page 227: ...rocedure to replace the pressure transducer Refer to Component Layout on page 7 8 to locate the pressure transducer within the instrument and refer to Replacement Parts List on page 7 5 if you need the pressure transducer part number Equipment Required Pressure transducer assembly Philips screwdriver short 1 Turn instrument OFF unplug the power cord and remove the cover 2 Disconnect plumbing from ...

Page 228: ...de by obtaining the current barometric pressure from the local weather station or airport and comparing it to the pressure reading However since these pressures are usually corrected to sea level it may be necessary to correct the reading to local pressure by subtracting 0 027 mm Hg per foot of altitude Do not try to calibrate the pressure transducer unless the pressure is known accurately Use the...

Page 229: ...en return to the beginning of this step 4 At the Pressure Sensor Cal screen press to select Zero The Calibrate Pressure Zero screen appears 5 Wait at least 10 seconds for the zero reading to stabilize then press to save the zero pressure value 6 Disconnect the pump from the pressure transducer 7 Press to return to the Pressure Sensor Cal screen 8 At the Pressure Sensor Cal screen press to select S...

Page 230: ... cord 4 Loosen both lamp clamp screws 5 Carefully slide lamp out of ozonator housing 6 Slide insulation off of old lamp and slide onto new lamp cord 7 Carefully insert new lamp into ozonator housing until it bottoms Pull lamp out approximately 1 16 inch to allow for expansion when the lamp warms up and tighten the Allen screws on the clamp 8 Slide the lamp insulation against the ozonator 9 Re conn...

Page 231: ... 10 3 Disconnect plumbing from the ozonator 4 Remove the ozonator by removing the two screws securing the ozonator to the floor plate and lifting the ozonator straight up 5 Remove the ozonator flange by removing three screws securing the bottom flange and pulling the flange off 6 Remove the ozonator lamp heater block from the ozonator by removing four Allen screws 7 Coat new lamp heater block with...

Page 232: ...m the LAMP HEATER and LAMP connectors on the ozonator board Figure 7 10 3 Disconnect plumbing from the ozonator 4 Remove the ozonator by removing the two screws securing the ozonator to the floor plate and lifting the ozonator straight up 5 Install new ozonator by following the above procedure in reverse Ensure all fittings are tight 6 Perform a leak test Refer to Leak Test and Pump Checkout in th...

Page 233: ...oard Philips screwdriver 1 Turn instrument OFF unplug the power cord and remove the cover 2 Remove the connection cables from the board 3 Remove the two screws from the top of the board 4 Pop off the board from the bottom mounting studs and remove the board 5 To install the new ozonator board follow previous steps in reverse Capillary Equipment Damage Some internal components can be damaged by sma...

Page 234: ...cover b Remove glass chamber assembly by loosening not removing knurled screw located at the top of the chamber and gently pulling assembly upward Completely remove assembly from oven Figure 7 14 c Separate glass chamber from top assembly by twisting and gently pulling glass away from top Figure 7 14 Keep glass clean by using Kimwipes or similar material to handle glass d Place permeation tube in ...

Page 235: ...n h Replace oven cover being careful to place tubing and wire in slot of cover 6 Install the new oven by following the previous steps in reverse 7 Check the system for leaks Refer to Leak Test and Pump Checkout in this chapter Figure 7 14 Removing the Glass Chamber Assembly Knurled Screw Glass Chamber Assembly Oven Top Top Assembly Glass Chamber Oven Enclosure ...

Page 236: ...ch Philips screwdriver 1 Turn instrument OFF unplug the power cord and remove the cover 2 Remove the plumbing 3 Remove two 2 Allen screws from the top of the holder assembly 4 Remove two 2 Allen screws from the side of the holder assembly Permeation Oven Top See Expanded View Expanded View Chamber Top Oven Top Glass Chamber Assembly Permeation Oven Bottom See Procedure Equipment Damage Some intern...

Page 237: ...move fitting from bottom of the pressure regulator by holding the assembly in place with a 9 16 inch wrench as shown in Figure 7 16 and loosening the pressure regulator fitting Figure 7 16 Replacing the Pressure Regulator 4 Remove the pressure regulator and replace with a new unit 5 Reconnect plumbing and check for leaks Refer to Leak Test and Pump Checkout in this chapter Equipment Damage Some in...

Page 238: ...Loosen four 4 captive screws and remove the assembly 4 Remove the pressure transducer 5 Remove the back pressure regulator handle 6 Remove two 2 screws holding the regulator to the bracket 7 Remove the back pressure regulator 8 Install a new back pressure regulator and calibrate 9 After calibration tighten the locking nut securing the position of the back pressure regulator handle 10 Remove flow c...

Page 239: ...pillary restricting the meter input 2 For instruments equipped with the ozonator option attach the digital flow meter to the gas line immediately preceding the ozonator capillary holder attached to the solenoid valve on the ozonator For instruments equipped with only the permeation oven option attach the digital flow meter in place of the tee fitting between the back pressure regulator input and t...

Page 240: ...w setting go to Service Flow Control Selection Zero Scale and use the zero flow controller zero scale value listed as the appropriate input for GAS A 7 If the instrument includes an output pressure regulator reduce the output pressure to zero on the gauge 8 Set the back pressure regulator to indicate a flow of 150 sccm on the digital flow meter 9 Change the GAS A flow rate to 400 sccm and observe ...

Page 241: ...accurately known 10K resistor to the thermistor input AMB TEMP on the measurement interface board and enter the temperature reading A 1 C change corresponds to a 5 change in resistance thus this alternative procedure can be quite accurate as a check however it clearly is not NIST traceable 3 From the Main Menu press to scroll to Service press to scroll to Temperature Calibration and press The Cali...

Page 242: ...the ambient reading to stabilize use and to enter the known temperature and press to save the temperature value 5 Install the cover Service Locations For additional assistance Thermo Fisher Scientific has service available from exclusive distributors worldwide Contact one of the phone numbers below for product support and technical information or visit us on the web at www thermo com aqi 1 866 282...

Page 243: ...7 provides an overview of the software organization and detailed information on the software tasks Electronics on page 8 8 describes the system boards assemblies and connectors I O Components on page 8 11 describes the input and output communication functions and components Hardware The Model 146i components include Figure 8 1 Flow system Photometer with photometer lamp optional Pressure transduce...

Page 244: ...s Each system is described independently While many of the components are shared they may only be necessary for one or two functions These components are only described when the system that requires them is being used Fan I O Expansion Board Optional Digital Output Board Motherboard Measurement Interface Board Ozonator Board Top Photometer Board Bottom Pump Solenoids Span Gas Mass Flow Controllers...

Page 245: ...the ozone generator or by changing the light intensity In the Model 146i the selected light intensity level is held constant by temperature controlling the lamp and by using a highly stable lamp power supply The flow is held constant by the mass flow controller Gas Phase Titration Gas phase titration in the Model 146i is accomplished by combining the outputs of the precision gas dilution system wi...

Page 246: ... are necessary for a response of 95 percent Permeation Tube Oven Gas flow through the oven is low approximately 150 sccm to stabilize the permeation tube oven temperature The major portion of the flow bypasses the oven and is directed to the mixing chamber with the stream from the oven This is achieved by using the same back pressure regulator described above for gas phase titration with a capilla...

Page 247: ...terface board for sample measurement computations Pressure Transducer The pressure transducer measures the pressure of the sample gas Ozonator The internal ozonator operates on the photolytic principle and the ozone level produced is a function of light intensity at 185 nm and gas flow The light intensity is varied by changing the current into the lamp The gas flow is held constant by a pressure r...

Page 248: ...xternal ozone sample or the internal ozone sample for measurement Span Gas Solenoids Control flow through independent gas inlets depending on the mode being controlled Photometer Capillary Reduces gas flow to the photometer Ozonator Capillary Reduces gas flow to the ozonator Pressure Gauge Capillary Used in conjunction with the pressure regulator to control flow through the ozonator Pump Capillary...

Page 249: ...on the boards such as analog and digital I O and heater control These processors are controlled over a serial interface with a single high level processor that also controls the front panel user interface The low level processors all run a common piece of firmware that is bundled with the high level firmware and loaded on power up if a different version is detected Each board has a specific addres...

Page 250: ... time function The background values for O3 are corrected for temperature pressure and span and are subtracted from the ozone calculated to yield a corrected value Output Communication The front panel display serial and Ethernet data ports and analog outputs are used to communicate the results of the measurement calculations The front panel displays the O3 concentration The display is updated ever...

Page 251: ...es and to output analog voltages that represent the measurement data Connectors located on the motherboard include External Connectors External connectors include External Accessory RS 232 485 Communications two connectors Ethernet Communications I O connector with Power Fail Relay 16 Digital Inputs and 6 Analog Voltage Outputs Internal Connectors Internal connectors include Function key panel and...

Page 252: ...tput is produced by measuring the pressure difference between the sample gas pressure and ambient air pressure Ozonator Lamp Power Supply The ozonator lamp power supply board includes the circuits that generate high voltage AC to control the lamp heater A transformer outputting high voltage at approximately 15 kHz drives the lamp A resistor in series with the output limits the lamp current The vol...

Page 253: ...d to output analog currents via a connector located on the rear panel of the instrument It contains local power supplies a DC DC isolator supply a sub processor and analog circuits Eight analog voltage inputs are provided with an input voltage range of 0V to 10VDC Six current outputs are provided with a normal operating range of 0 to 20 mA Front Panel Connector Board The front panel connector boar...

Page 254: ...ftware configured for any one of the following ranges while maintaining a minimum resolution of 11 bits 0 20 mA 4 20 mA The user can calibrate each analog output zero and span point through firmware At least 5 of full scale over and under range are also supported The analog outputs may be assigned to any measurement or diagnostic channel with a user defined range in the units of the selected param...

Page 255: ...tal inputs are available which may be programmed to signal instrument modes and special conditions including Zero Gas Mode Span Gas Mode The actual use of these inputs will vary based on instrument configuration The digital inputs are TTL level compatible and are pulled up within the analyzer The active state can be user defined in firmware Serial Ports Two serial ports allow daisy chaining so tha...

Page 256: ...tor is male a null modem cable is required Data Format 1200 2400 4800 9600 19200 38400 57600 or 115200 BAUD 8 data bits 1 stop bit no parity All responses are terminated with a carriage return hex 0D Refer to Table 8 1 for the DB9 connector pin configuration RS 485 Connection The instrument uses a four wire RS 485 configuration with automatic flow control SD Refer to Table 8 2 for the DB9 connecto...

Page 257: ...ess may be configured for static addressing or dynamic addressing set using a DHCP server Any serial port protocols may be accessed over Ethernet in addition to the serial port External Accessory Connector The external accessory connector is not used in the Model 146i calibrator This port is used in other models to communicate with smart external devices that may be mounted hundreds of feet from t...

Page 258: ...System Description I O Components 8 16 Model 146i Instruction Manual Thermo Fisher Scientific ...

Page 259: ... Mounting Options on page 9 13 Ozonator The internal ozone generator provides easy determination of zero precision and Level 1 span checks The ozone level produced is a function of light intensity at 185 nm and gas flow The light intensity is varied by changing the current into the lamp The gas flow is held constant by a pressure regulator followed by a capillary Photometer The photometer measures...

Page 260: ...ng as the backpressure regulator In practice rather than measuring the pressure it is the actual flows that are measured while adjusting the pressure regulator Two solenoids under control of the microcomputer are used to change the flow of gas going through the oven to the main stream or to vent Permeation Tube Installation Use the following procedure to install the permeation tube 1 Remove the ov...

Page 261: ...rmation Note that is assumed that all devices are properly calibrated and that all flows are corrected to 25 C and 1 atm Permeation Tube Where R permeation rate in ng min Q0 flow rate of gas scc min into the charcoal scrubber during span mode K constant for the specific permeant 24 45 MW MW molecular weight Oven Installation and Configuration Use the following procedure to install and configure th...

Page 262: ... a resistance of approximately 5 KΩ across pins 1 and 2 of POJ1 8 Go to the High Point screen enter the exact value of the resistor and press to calibrate the high resistance point 9 Press to return to the Factory Cal Gas Therm menu 10 Remove resistor from POJ1 and re attach the gas thermistor 11 Connect a resistance of approximately 3 8 KΩ across pins 3 and 4 of POJ3 12 Go to the Factory Cal Oven...

Page 263: ...corresponds to an error of 1 in release rate The second approach is to note that the thermistors used to measure temperature are interchangeable to better than 0 2 C Thus a 1 resistor of the proper value 4 369 KΩ for 45 C can be used to set the span on the measurement interface board The release rate for the permeation tube is then determined by weight loss in the actual oven being used Setting Pe...

Page 264: ...Temperature with Water Bath Use the following procedure for setting the measure temperature with water bath 1 Remove the thermistor from the permeation tube oven but leave the thermistor connected to the measurement interface board Insert the thermistor into the water bath next to an NIST traceable thermometer if necessary use an extension cable to reach 2 Turn on the power to the water bath Using...

Page 265: ...O bulkhead on the rear panel 6 Wait for the permeation gas temperature reading to stabilize Setting Temperature with Known Resistance Use the following procedure to set the gas temperature with an accurate known resistance 1 Remove the thermistor from POJ1 on the measurement interface board 1 Connect a 4 369 KΩ resistor across pins 1 and 2 of POJ1 use a resistance substitution box and an accurate ...

Page 266: ...permeation gas temperature reading to stabilize Determining Permeation Rate by Weight Loss Use the following procedure to determine the permeation rate by weight loss 1 Make sure the oven has been calibrated as described in the Permeation Tube Oven Calibration procedure described previously 2 Insert the permeation tube carefully Do not touch with fingers 3 Turn on the instrument 4 Wait 48 72 hours...

Page 267: ...determine the weight loss of permeation tube Determining Release Rate by Transfer Standard Use the following procedure to determine the release rate by transfer standard 1 Make sure the oven has been calibrated as described in the Permeation Tube Oven Calibration procedure described previously Also make sure that the Transfer Standard has been properly calibrated 2 Determine the permeation rate fo...

Page 268: ...ard to six Span Gas Mass Flow Controller The span gas mass flow controller governs low gas flow to control gas being diluted Span gas mass flow controllers include 25 SCCM 50 SCCM 100 SCCM standard 200 SCCM 500 SCCM Zero Gas Mass Flow Controller The zero gas mass flow controller governs high gas flow to control zero air Zero gas mass flow controllers include 5 SLPM 10 SLPM standard 15 SLPM 20 SLPM...

Page 269: ...tor to individual numbered terminals Two types of terminal block and cable kits are available One kit is for the DB37 connectors and can be used for either the analog output connector or the relay output connector The other kit is for the DB25 connector and can be used for the optional I O expansion board For associated part numbers refer to External Device Connection Components in the Servicing c...

Page 270: ...Color Codes for 25 Pin and 37 Pin Cables Pin Color Pin Color 1 BLACK 20 RED BLACK 2 BROWN 21 ORANGE BLACK 3 RED 22 YELLOW BLACK 4 ORANGE 23 GREEN BLACK 5 YELLOW 24 GRAY BLACK 6 GREEN 25 PINK BLACK 7 BLUE End color codes for 25 pin cables continue for 37 pin cables 8 VIOLET 26 PINK GREEN 9 GRAY 27 PINK RED 10 WHITE 28 PINK VIOLET 11 PINK 29 LIGHT BLUE 12 LIGHT GREEN 30 LIGHT BLUE BROWN 13 BLACK WHI...

Page 271: ...d shown in Figure 9 4 through Figure 9 7 Table 9 3 Mounting Options Mounting Type Description Bench Positioned on bench includes mounting feet and front panel side trim ears EIA rack Mounted in an EIA style rack includes mounting slides and front panel EIA rack mounting ears Retrofit rack Mounted in a Thermo non EIA rack includes mounting slides and retrofit front panel rack mounting ears ...

Page 272: ...9 14 Model 146i Instruction Manual Thermo Fisher Scientific Figure 9 4 Rack Mount Option Assembly ...

Page 273: ...Thermo Fisher Scientific Model 146i Instruction Manual 9 15 Figure 9 5 Bench Mounting ...

Page 274: ...9 16 Model 146i Instruction Manual Thermo Fisher Scientific Figure 9 6 EIA Rack Mounting ...

Page 275: ...Thermo Fisher Scientific Model 146i Instruction Manual 9 17 Figure 9 7 Retrofit Rack Mounting ...

Page 276: ...Optional Equipment Mounting Options 9 18 Model 146i Instruction Manual Thermo Fisher Scientific ...

Page 277: ...h may include biohazard decontamination procedures and other product specific handling instructions and c then if applicable Buyer may return the defective Products to Seller with all costs prepaid by Buyer Replacement parts may be new or refurbished at the election of Seller All replaced parts shall become the property of Seller Shipment to Buyer of repaired or replacement Products shall be made ...

Page 278: ...ling time and materials rates ANY INSTALLATION MAINTENANCE REPAIR SERVICE RELOCATION OR ALTERATION TO OR OF OR OTHER TAMPERING WITH THE PRODUCTS PERFORMED BY ANY PERSON OR ENTITY OTHER THAN SELLER WITHOUT SELLER S PRIOR WRITTEN APPROVAL OR ANY USE OF REPLACEMENT PARTS NOT SUPPLIED BY SELLER SHALL IMMEDIATELY VOID AND CANCEL ALL WARRANTIES WITH RESPECT TO THE AFFECTED PRODUCTS THE OBLIGATIONS CREAT...

Page 279: ...ation on page B 23 Keys Display on page B 25 Measurement Configuration on page B 28 Hardware Configuration on page B 37 Communications Configuration on page B 39 I O Configuration on page B 43 Record Layout Definition on page B 47 Each command sent to the instrument must begin with the American Standard Code for Information Interchange ASCII symbol or byte value equivalent of the instrument s iden...

Page 280: ...E CR If an incorrect command is sent a bad command message will be received The example below sends the incorrect command set unit ppm instead of the correct command set gas unit ppm Send set unit ppm Receive set unit ppm bad cmd The save and set save params commands stores parameters in FLASH It is important that each time instrument parameters are changed that this command be sent If changes are...

Page 281: ...p min Reports sets ozonator lamp temperature alarm minimum value B 12 alarm pressure max Reports sets photometer pressure alarm maximum value B 13 alarm pressure min Reports sets photometer pressure alarm minimum value B 13 alarm trig conc o3 Reports sets O3 concentration low alarm trigger value B 13 analog iout range Reports sets analog current output range per channel B 43 analog vin Retrieves a...

Page 282: ...g down pushbutton B 25 dout Reports sets active logic state for the digital output channel B 45 dtoa Reports outputs of the digital to analog converters per channel B 45 en enter Simulates pressing enter pushbutton B 25 er Returns a brief description of the main operating conditions in the format specified in the commands B 17 erec Returns a brief description of the main operating conditions in th...

Page 283: ...Reports sets custom level 1 setting of ozonator lamp drive B 32 l1 conc Reports sets custom level 1 concentration for photometer control of ozonator lamp drive B 32 l2 Reports sets custom level 2 setting of ozonator lamp drive B 32 l2 conc Reports sets custom level 2 concentration for photometer control of ozonator lamp drive B 32 l3 Reports sets custom level 3 setting of ozonator lamp drive B 32 ...

Page 284: ...t for long records ASCII or binary B 19 lrec layout Reports layout of lrec data B 19 lrec mem size Reports maximum number of long records that can be stored B 20 lrec per Reports sets long record logging period B 20 malloc lrec Reports sets memory allocation for long records B 21 malloc srec Reports sets memory allocation for short records B 21 man gas gflow Reports sets gas flow controller manual...

Page 285: ...esponse coefficient B 25 ri right Simulates pressing right pushbutton B 26 ru run Simulates pressing run pushbutton B 26 save Stores parameters in FLASH B 38 save params Stores parameters in FLASH B 38 sc screen C series legacy command that reports a generic response Use iscreen instead B 27 sp conc Reports sets photometer span concentration for calibration B 25 sp field Reports sets item number a...

Page 286: ...photometer option is installed Send avg time Receive avg time 5 300 sec set avg time selection This command sets the averaging time according to Table B 2 The example below sets the averaging time to 120 seconds This command is only available if the photometer option is installed Send set avg time 2 Receive set avg time 2 ok Table B 2 Averaging Times Selection Averaging Time seconds 0 60 seconds 1...

Page 287: ... measured If pressure compensation is on then both pressure readings are the same If pressure compensation is off a pressure of 760 mmHg is used as default pressure even though the actual pressure is 753 4 mmHg The example below shows that the actual reaction chamber pressure is 753 4 mmHg This command is only available if the photometer option is installed Send pres Receive pres 753 4 mmHg actual...

Page 288: ...r option is installed Send alarm bench lamp temp min Receive alarm bench lamp temp min 52 0 deg C set alarm bench lamp temp min value set alarm bench lamp temp max value These commands set the photometer bench lamp temperature minimum and maximum values to value where value is a floating point number representing bench lamp temperature alarm limits in degrees C The example below sets the bench lam...

Page 289: ... bench temp max 35 ok alarm conc o3 min alarm conc o3 max These commands report the photometer O3 concentration alarm minimum and maximum value current setting The example below reports the O3 concentration alarm minimum is 20 ppb These commands are only available if the photometer option is installed Send alarm conc o3 min Receive alarm conc o3 min 20 0 ppm set alarm conc o3 min value set alarm c...

Page 290: ...arm internal temp min 15 0 deg C set alarm internal temp min value set alarm internal temp max value These commands set the internal temperature minimum and maximum values to value where value is a floating point number representing ambient temperature alarm limits in degrees C The example below sets the internal temperature alarm maximum value to 45 0 C Send set alarm internal temp max 45 Receive...

Page 291: ...number representing pressure alarm limits in millimeters of mercury The example below sets the pressure alarm maximum value to 1000 mmHg These commands are only available if the photometer option is installed Send set alarm pressure max 1000 Receive set alarm pressure max 1000 ok alarm trig conc o3 This command reports the photometer O3 concentration alarm trigger action for minimum alarm to eithe...

Page 292: ...ve 15 negative 15 positive 5 positive 3 3 Each voltage value is separated by a space Send diag volt mib Receive diag volt mib 24 1 14 9 14 9 4 9 3 2 diag volt iob This command reports the diagnostic voltage measurements on the I O expansion board The sequence of voltages is Positive 24 positive 5 positive 3 3 and negative 3 3 Each voltage value is separated by a space Send diag volt iob Receive di...

Page 293: ... V lamp voltage o3 This command reports the ozonator lamp voltage in volts This command is only available if the photometer option is installed Send lamp voltage o3 Receive lamp voltage o3 12 3 V oz lamp temp This command reports the current ozonator lamp temperature The example below shows the current ozonator temperature is 68 7 C This command is only available if the photometer option is instal...

Page 294: ...ed at their normal interval Send set program on Receive set program on ok clr records This command will clear all long and short records that have been saved Send clear records Receive clear records ok set clr lrecs set clr srecs These commands will clear only the long records or only the short records that have been saved The example below clears short records Send set clr srecs Receive set clr s...

Page 295: ...ive list stream field index variable x x time 1 1 conc 2 2 tgflo 3 3 agflo 4 4 tzflo 5 5 azflo 6 6 ttgflo 7 7 atflo sum 242d er xy lr xy sr xy x 0 1 Reply termination format see set format format command y 0 1 2 Output format see set erec lrec srec format format command These commands report the last long and short records stored or the dynamic data record In the example below the command requests...

Page 296: ... month 01 to 12 pp day 01 to 31 qq year These commands output long or short records The output format is determined by the set lrec format and set srec format commands The logging time is determined by the set lrec per and set srec per commands In the following example there are 740 long records currently stored in memory When the command lrec 100 5 is sent the instrument counts back 100 records f...

Page 297: ... format for long records is ASCII with text according to Table B 4 Send lrec format Receive lrec format 01 set erec format format set lrec format format set srec format format These commands set the output format for long and short records and dynamic data according to Table B 4 The example below sets the long record output format to ASCII with text Send set lrec format 1 Receive set lrec format 1...

Page 298: ...ber of long records that can be stored in memory is 2038 Send lrec mem size Receive lrec mem size 2038 recs 10 blocks lrec per srec per These commands report the long and short records logging period The example below shows that the short record logging period is 5 minutes Send srec per Receive srec per 5 min set srec per value set srec per value value 1 5 15 30 60 These commands set the long and ...

Page 299: ...d be retrieved using appropriate commands if required Send set malloc lrec 10 Receive set malloc lrec 10 ok set copy sp to lrec set copy sp to srec set copy sp to stream These commands copy the current selections in scratch pad sp into the long record short record or streaming data list The example below copies the current list in scratch pad into the long records list Send set copy sp to lrec Rec...

Page 300: ...s may be obtained using the command list var aout The set sp field command is used to create a list of variables which can then be transferred into the long record short record or streaming data lists using the set copy sp to lrec set copy sp to srec or set copy sp to stream commands Send set sp field 1 34 Receive set sp field 1 34 ok stream per This command reports the currently set time interval...

Page 301: ... bkg Receive set cal o3 bkg ok set cal o3 coef This command will auto calibrate O3 coefficients based on O3 span gas concentrations If the mode is incorrect the instrument responds with can t wrong settings The example below shows a successful auto calibration of the O3 coefficient This command is only available if the photometer option is installed Send set cal o3 coef Receive set cal o3 coef ok ...

Page 302: ...e This command sets the O3 coefficients to user defined values to value where value is a floating point representation of the coefficient The example below sets the O3 coefficient to 1 005 This command is only available if the photometer option is installed Send set o3 coef 1 005 Receive set o3 coef 1 005 ok o3 bkg This command reports the current O3 background The example below reports that the O...

Page 303: ...mand is only available if the photometer option is installed Send set resp coef 1 500 Receive set resp coef 1 500 ok sp conc This command reports photometer span concentration If the mode is incorrect the instrument responds with can t wrong settings The example below reports the span gas concentration of 50 ppb This command is only available if the photometer option is installed Send sp conc Rece...

Page 304: ...om left to right Send push enter Receive push enter ok isc iscreen This command retrieves the framebuffer data used for the display on the iSeries instrument It is 19200 bytes in size 2 bits per pixel 4 pixels per byte arranged as 320 by 240 characters The data is sent in RLE encoded form to save time in transmission It is sent as a type 5 binary c_link response with no checksum The RLE encoding c...

Page 305: ...r rlecount unsigned char rlescreen i while rlecount ptr 0 rlecount else if rlescreen i 0xff unsigned char rlecount unsigned char rlescreen i while rlecount ptr 0xff rlecount To convert this data into a BMP for use with windows it needs to be turned into a 4BPP as that is the smallest windows can display Also note that BMP files are upside down relative to this data i e the top display line is the ...

Page 306: ...e below reports that Gas A is currently selected Send gas index Receive gas index 1 set gas index index index 0 6 This command sets the current gas index value to index The example below selects Gas D according to Table B 6 Send set gas index 4 Receive set gas index 4 ok Table B 6 Gas Index Values Value Gas Index 0 None 1 Gas A 2 Gas B 3 Gas C 4 Gas D 5 Gas E 6 Gas F sel gas gas man gas a b c d e ...

Page 307: ... gas solenoids Send sel gas off Receive sel gas off ok gas gas params gas a b c d e f This command returns the parameters for the specified gas Send gas a params Receive gas a params tank ppm 10 000 span 0 zflow 1800 000 span 1 tflow 1000 000 ppm 0 400 span 2 tflow 1000 000 ppm 0 800 span 3 tflow 1000 000 ppm 1 200 span 4 tflow 1000 000 ppm 1 600 span 5 tflow 1000 000 ppm 0 400 manual zflow 1000 0...

Page 308: ...noid Number Values Value Solenoid Value 1 Solenoid A 2 Solenoid B 3 Solenoid C 4 Solenoid D 5 Solenoid E 6 Solenoid F sel gas gas span gas a b c d e f This command sets the gas gas to span levels 0 1 2 3 4 or 5 The example below sets gas A to span level 1 Send sel gas a span 1 Receive set gas a span 1 ok gas gas span conc spanindex gas a b c d e f spanindex span index 0 6 1 5 reports the span conc...

Page 309: ...an conc 1 123 45 Receive set gas a span conc 1 123 45 ok gas gas span flow gas a b c d e f spanindex span index 0 6 0 is for zero flow This command reports the target total flow for the specified gas gas and span level spanindex Send gas a span flow 1 Receive gas a span flow 1 123 45 set gas gas span flow value gas a b c d e f spanindex span index 0 6 0 is for zero flow value float This command se...

Page 310: ...eter option is installed it must be configured for internal or external measurement mode Send l1 Receive l1 10 set l1 value set l2 value set l3 value set l4 value set l5 value These commands set the percentage of the ozonator lamp drive for each of the five custom levels The example below sets the custom level 1 to 10 This command is only available if the ozonator option is installed Also if the p...

Page 311: ...ere level represents custom levels 1 2 3 4 or 5 The example below sets level 1 Send set level 1 Receive set level 1 ok man gas gas gflow value man gas gas zflow value gas a b c d e f value float These commands set the manual level for zero and gas flows for gas gas in sccm The set command is optional Send set man gas a gflow 202 00 Receive set man gas a gflow 202 00 man ozon level value This comma...

Page 312: ...tput level 1 This command is only available if the ozonator option is installed Send sel ozon 1 Receive sel ozon 1 ok sel ozon perm off This command turns off the ozonator and permeation oven if these options are present Send set ozon perm off Receive set ozon perm off ok perm This command reports the current permeation oven output level where 0 is off This command is only available if the permeat...

Page 313: ...he photometer option is installed Send o3 setting Receive o3 setting 1 000E 02 ppb range This commands report photometer O3 range If the mode is incorrect the instrument responds with can t wrong settings The example below reports that the O3 full scale range is set to 5 0 ppm according to Table B 8 This command is only available if the photometer option is installed Send range Receive range 6 500...

Page 314: ...nt number representing concentration in ppm The example below sets the custom 1 range to 4 5 ppm Send set custom 1 range 4 5 Receive set custom 1 range 4 5 ok pres comp This command reports whether pressure compensation is on or off The example below shows that pressure compensation is on This command is only available if the photometer option is installed Send pres comp Receive pres comp on set p...

Page 315: ...ands turn the temperature compensation on or off The example below turns temperature compensation off This command is only available if the photometer option is installed Send set temp comp off Receive set temp comp off ok contrast This command reports the screen s level of contrast The example below shows the screen contrast is 50 according to Table B 9 Send contrast Receive contrast 5 50 set con...

Page 316: ...te 12 01 04 ok set default params This command sets all the parameters to their default values This does not affect the factory calibrated parameters Send set default params Receive set default params ok save set save params This command stores all current parameters in FLASH memory It is important that each time instrument parameters are changed that this command be sent If changes are not saved ...

Page 317: ... dns Receive addr dns 192 168 1 1 set addr dns address This command sets the dns address where address consists of four numbers ranging from 0 255 inclusive separated by Send set addr dns 192 168 1 1 Receive set addr dns 192 168 1 1 ok addr gw This command reports the default TCP IP gateway address Send addr gw Receive addr gw 192 168 1 1 set addr gw address This command sets the default gateway a...

Page 318: ...t addr nm 255 255 255 0 Receive set addr nm 255 255 255 0 ok baud This command reports the current baud rate for the serial port RS232 RS485 The example below reports that the current baud rate is 9600 baud Send baud Receive baud 9600 set baud rate rate 1200 2400 4800 9600 19200 38400 57600 115200 This command sets the instrument baud rate The example below sets the instrument s baud rate to 9600 ...

Page 319: ...e example below shows that the reply format is 00 which means reply with no checksum according to Table B 10 Send format Receive format 00 set format format This command sets the reply termination format where format is set according to Table B 10 The example below sets the reply termination format to checksum Send set format 01 Receive set format 01 ok Table B 10 Reply Termination Formats Format ...

Page 320: ...etween 0 and 127 inclusive Note sending this command via RS 232 or RS 485 will require the host to use the new id for subsequent commands 5 Send set instrument id 52 Receive set instrument id 52 ok mode This command reports what operating mode the instrument is in local service or remote The example below shows that the instrument is in the remote mode Send mode Receive mode remote set mode local ...

Page 321: ... Receive analog iout range 4 2 set analog iout range channel range This command sets analog current output channel to the channel range where channel is between 1 and 6 inclusive and range is set according to Table B 11 The example below sets current output channel 4 to the 0 20 mA range This command responds with feature not enabled if the I O expansion board is not detected Send set analog iout ...

Page 322: ...ow sets channel 2 to the 0 10 V range Send set analog vout range 2 3 Receive set analog vout range 2 3 ok Table B 12 Analog Voltage Output Range Values Range Output Range 1 0 1 V 2 0 100 mV 3 0 10 V 4 0 5 V 0 cannot be set to this but may report Undefined dig in This command reports the status of the digital inputs as a 4 digit hexadecimal string with the most significant bit MSB being input 16 Se...

Page 323: ...dout channel index state This command assigns digital output channel to be assigned to the action associated with index and assigns it an active state of state open or closed Send set dout 2 2 open Receive set dout 2 2 open ok dtoa channel This reports the outputs of the 6 or 12 Digital to Analog converters according to Table B 13 The example below shows that the D A 1 is 97 7 full scale Send dtoa...

Page 324: ...lable for selection in the current mode determined by single dual auto gas mode for analog output digital output and digital inputs The index number is used to insert the variable in a field location in a list using set sp field index The example below reports the list of analog output index numbers and variables Send list var aout Receive list var aout index variable 0 none 1 conc 2 tgflo 3 agflo...

Page 325: ... 16 The example below sets the relay no 1 logic to normally open Note If the command is sent without an appended relay number then all the relays are assigned the set logic of normally open closed 5 Send set relay open 1 Receive set relay open 1 ok The Erec Lrec Srec layouts contain the following A format specifier for parsing ASCII responses A format specifier for parsing binary responses In addi...

Page 326: ...the fields from a binary response Parameters MUST be separated by spaces and the line is terminated by a n Valid fields are t parse a time specifier 2 bytes D parse a date specifier 3 bytes i ignore one 8 bit character 1 byte e parse a 24 bit floating point number 3 bytes n x E parse a 24 bit floating point number 3 bytes N x f parse a 32 bit floating point number 4 bytes c parse an 8 bit signed n...

Page 327: ... by a possible string enclosed in quotes that is used to place a string into the value field The value source which is the item or word number in the DATA ERec response appears next This is followed by an optional bitfield designator The datum identified by the value source can be printed as a string s hexadecimal x decimal d or floating point f or binary b number Typically bitfield extractions ar...

Page 328: ...anslation table entries which the user may select from when setting the parameter This is not necessarily the same as the entries which may be displayed Then there appears an optional button designator This will be one of B I L T or N B Indicates a button which pops up an input dialog prompting the user for a new value using the designated input format The input format is specified from the B thro...

Page 329: ...d is NO the value is taken from the third element of the data response and interpreted as a string NO 18sBd ddd set no coef s n This is a line which also appears slightly indented The next field is also NO but the value is taken from the eighteenth element of the data response again interpreted as a string A button appears on this line which when pressed pops up an input dialog which will state Pl...

Page 330: ...e words which correspond to each input value the zeroth value appearing first 0 local 1 remote etc The selection list shows that only the first two values in this case are to be shown to the user when the button is pressed The T button indicates full translation input code to string and user selection number to output string xC This is a line that starts a new column the xC or L Comp 6 11x off on ...

Page 331: ...instrument This is achieved by using the supported MODBUS commands listed below For details of the Model 146i MODBUS Protocol specification see the following topics Serial Communication Parameters on page C 1 TCP Communication Parameters on page C 2 Application Data Unit Definition on page C 2 Function Codes on page C 3 MODBUS Commands Supported on page C 8 Additional information on the MODBUS pro...

Page 332: ...over serial connections Note Device ID 0 used for broadcast MODBUS commands is not supported Device IDs 128 through 247 i e 0x80 hex to 0xF7 hex are not supported because of limitations imposed by C Link In MODBUS over TCP IP a MODBUS Application Protocol Header MBAP is used to identify the message This header consists of the following components Transaction Identifier 2 Bytes 0x0000 to 0xFFFF Pas...

Page 333: ...ensure error free transmission The error check is a two byte 16 bit CRC value This section describes the various function codes that are supported by the Model 146i Read Coils Inputs read the status of the digital outputs relays in the instrument Issuing either of these function codes will generate the same response These requests specify the starting address i e the address of the first output sp...

Page 334: ...code 1 Byte 0x01 or 0x02 Starting Address 2 Bytes 0x0000 to maximum allowed by instrument Quantity of outputs 2 Bytes 1 to maximum allowed by instrument Unit Identifier 1 Byte 0x00 to 0xFF Passed back in response Response Function code 1 Byte 0x01 or 0x02 Byte count 1 Byte N Output Status n Byte N N or N 1 N Quantity of Outputs 8 if the remainder not equal to zero then N N 1 Error Response Functio...

Page 335: ...strument Issuing either of these function codes will generate the same response These functions read the contents of one or more contiguous registers These registers are 16 bits each and are organized as shown below All of the values are reported as 32 bit IEEE standard 754 floating point format This uses 2 sequential registers least significant 16 bits first The request specifies the starting reg...

Page 336: ...Illegal Address 03 Illegal Data 04 Slave Device Failure Here is an example of a request and response to read registers 10 13 Request Field Name Hex Function 0x03 Starting Address Hi 0x00 Starting Address Lo 0x09 No of Registers Hi 0x00 No of Registers Lo 0x04 Response Field Name Hex Function 0x03 Byte Count 0x06 Register value Hi 10 0x02 Register value Lo 10 0x2B Register value Hi 11 0x00 Register...

Page 337: ...ant in the request data field A value of 0xFF00 requests the action to be ON A value of 0x0000 requests it to be OFF All other values are illegal and will not affect the output The normal response is an echo of the request returned after the state has been written Request Function code 1 Byte 0x05 Starting Address 2 Bytes 0x0000 to maximum allowed by instrument Output Value 2 Bytes 0x0000 or 0xFF0...

Page 338: ...Hi FF Output Value Lo 00 The following Table C 1 through Table C 3 lists the MODBUS commands supported for the Model 146i Table C 1 Read Coils for 146i Coil Number Status 1 GAS BIT 1 2 GAS BIT 2 3 GAS BIT 3 4 SPAN BIT 1 5 SPAN BIT 2 6 SPAN BIT 3 7 O3 PERM BIT 1 8 O3 PERM BIT 2 9 O3 PERM BIT 3 10 O3 PERM BIT 4 11 PHOTO BIT 1 12 PHOTO BIT 2 13 GAS A 14 GAS B 15 GAS C 16 GAS D 17 GAS E 18 GAS F 19 OZ...

Page 339: ...O3 LAMP TEMP 32 PERM GAS TEMP 33 PRESSURE 34 PHOT BENCH TEMP 35 PHOT LAMP TEMP 36 PHOT INTENSITY 37 O3 LEVEL Table C 2 Read Registers for 146i Register Number Variable 40001 40002 GAS CONC 40003 40004 TARGET GFLOW 40005 40006 ACTUAL GFLOW 40007 40008 TARGET ZFLOW 40009 40010 ACTUAL ZFLOW 40011 40012 TARGET TFLOW 40013 40014 ACTUAL TFLOW 40015 40016 O3 CONC 40017 40018 PERM CONC 40019 40020 PRESSUR...

Page 340: ...33 40034 ANALOG 2 40035 40036 ANALOG 3 40037 40038 ANALOG 4 40039 40040 ANALOG 5 40041 40042 ANALOG 6 40043 40044 ANALOG 7 40045 40046 ANALOG 8 Table C 3 Write Coils for 146i Coil Number Action 101 GAS BIT 1 102 GAS BIT 2 103 GAS BIT 3 104 SPAN BIT 1 105 SPAN BIT 2 106 SPAN BIT 3 107 O3 PERM BIT 1 108 O3 PERM BIT 2 109 O3 PERM BIT 3 110 O3 PERM BIT 4 111 PHOTO BIT 1 112 PHOTO BIT 2 113 AOUTS TO ZE...

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