Ametek TM2000 Pro User Manual Download

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xii | TM2000 Oxygen Analyzer

Declaration of Conformity

Manufacturer’s Name:

AMETEK/Thermox

Manufacturer’s Address:

Process & Analytical Instruments Division

150 Freeport Road

Pittsburgh, PA 15238

declares that the products:

Product Names:

TM2000 Oxygen Analyzer using Series 2000 Controller

PPM RCU

Conform to the following standards:

EMC compliance:

EMC Directive

2004/108/EC

Immunity:

EN 50082-2:1995

Generic - Heavy Industrial Equipment

EN 50082-1:1997

Generic - Residential, Commercial, Light Industrial Equip.ment

EN 61326:1997

Measuring Equipment (Heavy Industrial)

EN 61000-6-2:1999

EU Generic Heavy Industrial Equipment Immunity

Emissions:

EN 55011:1998

Class A , ISM Equipment

Safety Compliance:

UL 3101-1

UL Listed Inspection and Measuring Electrical Equipment

CAN/CSA 22.2 No. 1010.1-92 cUL Listed Inspection and Measuring Electrical Equipment

Low Voltage Directive 73/23/EEC:

EN 61010-1:1993,

Amendment A2:

1995 Electrical Equipment for Measurement, Controls, and Laboratory Use

Series 2000 Controller and the PPM RCU also conform to the following safety standard:

UL 1604

UL Listed Process Control Equipment for Use in Hazardous Locations

Manufacturer’s Address in Europe:

AMETEK Precision Instruments Europe GmbH

Rudolf-Diesel-Strasse 16

D-40670 Meerbusch, Germany

Mark Coppler

Engineering Manager

July 2001

Summary of Contents for TM2000 Pro

Page 1: ...TM2000 Pro Oxygen Analyzer User Manual Process Instruments 150 Freeport Road Pittsburgh PA 15238 PN 90469VE Rev L...

Page 2: ...T Ltd 10 Ang Mo Kio Street 65 05 12 Techpoint Singapore 569059 Republic of Singapore Phone 65 484 2388 Fax 65 481 6588 FRANCE AMETEK APIF Rond Point de l pine des champs Buroplus Bat D 78990 Elancourt...

Page 3: ...n Start Up Mechanical Installation 3 2 Sensor Mounting 3 2 Sample Gas Calibration Gas Plumbing 3 3 Sample gas calibration gas requirements 3 3 Pressure and flow requirements 3 4 Sample under vaccum Sp...

Page 4: ...enu Options 4 3 Exiting Menu Options 4 3 On Line Help 4 4 Setup Key 4 5 Setting Up the Display 4 5 Entering user text 4 6 Auto ranging feature for oxygen readings 4 6 Hydrocarbon upset condition 4 6 S...

Page 5: ...ting output filtering 4 23 Select Function Option 4 24 Selecting the function 4 24 CHAPTER 5 Calibrate Key Overview 5 1 Calibration 5 2 Calibration vs Verification Operations 5 2 Span vs Zero Gas 5 2...

Page 6: ...On Off 5 32 Cal Gas Duration 5 33 Single gas calibration 5 33 Two gas calibration 5 33 Configure Verify 5 34 CHAPTER 6 Mintenance Troubleshooting System and Error Messages 6 1 System Messages 6 2 Err...

Page 7: ...u B 1 Calibrate Key Menu B 2 Calibrate Key Set Cal Timers Submenu B 2 Alarm Key Menu B 3 Analog Range Key Menu B 3 APPENDIX C Current Outputs Other Applications Powering Current Outputs from an Extern...

Page 8: ...cal Safety Up to 5 kV may be present in the analyzer housings Always shut down power source s before perform ing maintenance or troubleshooting Only a qualified electrician should make electrical conn...

Page 9: ...t and to conserve our natural resources AMETEK recommends that you arrange to recycle this product when it reaches its end of life Waste Electrical and Electronic Equipment WEEE should never be dispos...

Page 10: ...capacitor is a technique allow ing high frequency shield bonding while avoiding the AC ground metal connection In the case of shield ed cables the drain wire or braid connection must be kept short A...

Page 11: ...en Switched Off or the Area is Known to be Non Hazardous Risque d explosion Avant de d connecter l quipement coupez le courant o vous assurez que l emplacement est design non dangereux All input and o...

Page 12: ...ustrial EN 61000 6 2 1999 EU Generic Heavy Industrial Equipment Immunity Emissions EN 55011 1998 Class A ISM Equipment Safety Compliance UL 3101 1 UL Listed Inspection and Measuring Electrical Equipme...

Page 13: ...entation accompanying the equip ment being returned declaring that the goods being returned for repair are American goods the name of the firm who purchased the goods and the shipment date The warrant...

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Page 15: ...independent alarms Each alarm is high or low selectable Functions the alarms can track are defined in the Controller User Interface chapter Diagnostics capabilities These include a watchdog timer and...

Page 16: ...ed end tube or disk of ceramic zirconium oxide stabilized with an oxide of yt trium or calcium Porous platinum coatings on the inside and outside serve as a catalyst and as electrodes At high temperat...

Page 17: ...difference in the sample gas and the reference air is carried by cable to the microprocessor control unit where it is linearized to an output signal Because of the high operating temperature of the ce...

Page 18: ...sor cabinet turn the power off The heater has exposed windings and a short to the plumbing will blow the fuse and could damage the furnace or thermocouple Do not handle the cell excessively Do not try...

Page 19: ...by the factory to provide this information when receiving service Cell millivolts Thermocouple millivolts Cell temperature See the Display section in Chapter 4 for help on how to display this informa...

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Page 21: ...an be assigned as oxygen calibrate or verify Set relays to energize or de energize on alarm Contact Rating 0 5A 30V 10VA max noninductive load AC or DC Diagnostics Watchdog timer and service alarms Sy...

Page 22: ...peatability Percent 5 of reading or 1 O2 absolute whichever is greater PPM 5 of reading or 1 PPM O2 absolute whichever is greater Ambient Temperature 18 C to 50 C 0 F to 122 F Humidity 5 90 non conden...

Page 23: ...pen the sensor or controller covers Never service the controller or sensor unless power has been disconnected from the controller and sensor and the sensor has been allowed to cool for at least one ho...

Page 24: ...ing dimensions and location of the sample inlet for a TM2000 sensor without sample bypass 3 1 and with sample bypass 3 2 option Figure 3 1 Standard mounting no sample bypass 12 00 30 48 9 50 24 13 16...

Page 25: ...pan gas must have an oxygen content that is a factor of ten higher than the zero gas e g if zero gas is 1 0 span gas must be 10 9 24 23 47 5 81 14 77 1 75 4 45 3 00 7 62 6 81 17 30 8 12 20 62 14 00 35...

Page 26: ...let to view the sample flow rate No Sample Bypass Minimum positive pressure of 1 5 PSIG required to maintain flow rate Sample Bypass Option Minimum positive pressure of 6 PSIG required to maintain 6 L...

Page 27: ...RCU Installation Optional NOTE Series 2000 Controller TM2000 Sensor Other Gas Analyzer s Process Sample High Span Cal Gas Low Zero Cal Gas 6 L min Process Cal Control Valve Customer Supplied Control T...

Page 28: ...omatically switches between the sample and calibration gases during an auto calibration RCU Mounting Figure 3 5 Clean gas RCU mounting dimensions Max distance from sensor 15 feet 4 58 meters Max ambie...

Page 29: ...ass Option go to Step 4 now 3 No Sample Bypass Instructions Connect the sample gas from your pro cess to the SAMPLE INLET 1 on the RCU Connect the SAMPLE OUT 4 to the inlet of the TM2000 sensor Figure...

Page 30: ...lve Fitting on the TM2000 sensor Figure 3 8 Sensor connections with RCU and sample bypass Inlet Valve Fitting 1 4 To RCU Sample In Bypass T Fitting 1 4 Sample Inlet From RCU Sample Out 1 4 to 1 8 Redu...

Page 31: ...ects of the hydrocarbons Gas Sample Bypass A good practice when measuring PPM gas concentrations checking cali bration calibrating or during initial start up is to use a bypass on the gas sample inlet...

Page 32: ...n the warning tag on the control unit Shutdown Disconnect power to the control unit for one hour while maintaining purge air flow before the door is opened un less the area is demonstrated to be nonha...

Page 33: ...Installation and Start Up 3 11 Figure 3 10 Weatherproof panel mount Figure 3 11 Weatherproof wall pole mount...

Page 34: ...all z purge 12 31 35 58 12 00 30 48 8 00 20 32 5 88 14 94 13 81 35 08 13 56 34 44 2 00 5 08 Purge Air Inlet 1 8 Compression Fitting Metering Valve Exhaust Restriction Pressure Gauge 1 2 Conduit Entry...

Page 35: ...Installation and Start Up 3 13 Figure 3 14 General purpose rack mount Figure 3 15 General purpose wall mount...

Page 36: ...e four screws on the wiring card chassis cover plate To access the wiring card for all weatherproof control unit versions you must first re move the wiring card shield Open the front door of the enclo...

Page 37: ...ure If not using a conduit entry leave the factory NEMA approved plugs intact Never leave any holes unplugged For AC mains supply wiring use between 12 and 14 American Wire Gauge AWG For all signal wi...

Page 38: ...n operator Mark the switch or circuit breaker as the control unit discon necting device Power connections to the control unit are as follows Line Line connection Neutral Neutral connection USA Chassis...

Page 39: ...t the introduction of transients and noise into the system Inductive loads connected to the control unit must have transient suppressors installed at the inductive loads Place the transient suppressor...

Page 40: ...n instructions for the applicable options for your analyzer All sensor connections require accessing the sensor board Figure 3 19 Sensor cabling must be twisted pairs in rigid metal conduit or in an o...

Page 41: ...e the Current Outputs Other Applications appendix Current output connections are labeled as follows on the wiring card of the Series 2000 control unit see Figure 3 21 IOUT1 and IOUT2 and These current...

Page 42: ...pen If you have a watchdog event and the system returns to normal operations the watch dog alarm will reset The system will retain in memory the last time the watchdog condition occurred Exception Log...

Page 43: ...nd an auto calibration card The digital input connections on the wir ing card allow you to initiate a remote calibra tion or verification from a location other than the control unit see Figure 3 24 Th...

Page 44: ...RX Connect all control unit 4WTX 4WTX and all 4WRX and 4WRX connections in parallel in a daisy chain fashion Make the following connections between the host computer and the controller in a daisy chai...

Page 45: ...Installation and Start Up 3 23 Figure 3 25 2 wire RS 485 communication connections Figure 3 26 4 wire RS 485 communication connections...

Page 46: ...Display Module or Power Supply Keypad Disconnect power from the control unit before working on it NOTE Figure 3 26 Control unit front view You must remove the power supply keypad module before you can...

Page 47: ...inges down 2 Pull on the handle of the power supply keypad module and remove it from the control unit it slides out 3 Insert the option card into any of the three available slots underneath the dis pl...

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Page 49: ...des a brief overview on how to use the Series 2000 control unit This includes the following topics Areas of the Control Unit Password Restrictions Control Unit Display Auto Ranging Feature Control Uni...

Page 50: ...You can also use the Display menu option to place text messages on one or more of the first three lines The last display line is reserved for system and error messages Alarm Display If an alarm condi...

Page 51: ...f you select Display from the Setup Key and then select Display Line 1 the choice selected to appear on display line 1 will have the asterisk in front of it If the menu options list is too long to dis...

Page 52: ...y of the op tions in that menu Pressing the Help Key again exits on line help and returns to the menu options or press Cancel or Enter For example to get on line help on the Passwords option from the...

Page 53: ...ether digital input starts an auto cali bration or an automatic verify Cal Gas Mode Select single or two gas calibration mode Display Define what information appears on the top three 3 display lines o...

Page 54: ...press the Left Arrow Key to move back one position in your text message When you are finished entering your message press Enter Use these keys to quickly move to a location in the ASCII text table Nu...

Page 55: ...hermox and a service password will be provided so you can access this op tion and enter a new password 1 From the Setup Key menu Select Passwords You will be prompted to enter a new system password 2...

Page 56: ...ect Process Pressure 2 Select Positive Pressure or Negative Pressure You are prompted to enter your system process pressure 3 Enter the process pressure up to one decimal point is allowed for example...

Page 57: ...Tests the system digital input Erase RAM Erases all RAM memory locations Erase EEPROM Erases internal EEPROM memory locations if your control unit is not operating properly Be careful though because s...

Page 58: ...Calibrate Key before starting your primary calibration 1 From the Setup Key select Primary Calib 2 If you have the auto calibration card option and a remote calibration unit you will be prompted to s...

Page 59: ...y need to reenter your alarm set points and configuration 3 When you select Hydrocarbon Upset you are prompted to enter a millivolt value that if exceeded triggers the hydrocarbon upset condition If t...

Page 60: ...g to communicate Choices are 300 600 1200 2400 4800 and 9600 baud Node Address Define the physical address for the control unit between 0 and 255 on a network so the host computer can iden tify the co...

Page 61: ...ect Calibrate or Verify Single Gas Switch In the Single Calibration Gas mode you will not use the span gas Tolerance for the cell operating temperature has been widened significantly When performing a...

Page 62: ...he selection you make here applies to all alarms except the Watchdog and Service alarms which always de energize on alarm Select Function Define whether Alarm 3 activates based on oxygen levels start...

Page 63: ...strictions may apply see the Alarm Con figure section Also if you select Hydrocarbon Upset as the Sensor Config option from the Setup Key menu Alarm 4 is fixed as both a high alarm and the alarm that...

Page 64: ...4 set point value 7 Press Cancel or Enter to exit this menu option Alarm Configure Define whether alarms should trigger based on a high alarm or a low alarm condition Alarm 3 is set high or low only i...

Page 65: ...ize on Alarm or Energize on Alarm If you select Energize on Alarm the following appears If you select De Energize on Alarm the following appears Select Function Select the type of reading that Alarm 3...

Page 66: ...contacts The service alarm provides an alarm that alerts you of possible system problems that require attention Events that can trigger the service alarm are Error condition detected by software Syste...

Page 67: ...ages Alarm conditions Hydrocarbon upset condition Reset conditions Start of calibrations or verifications Accessing the Exception Log Choose Exception Log from the Alarm menu The system shows you the...

Page 68: ...mA 0 to 20 mA Output Filtering Decide whether to enable output filtering If enabled decide how much to smooth out abrupt changes in readings Select Function Define the type of information the analog...

Page 69: ...t represents as follows 1 From the Analog Range Key menu select Set Current Range 2 If tracking oxygen select whether you want to enter the 20 mA value using a percent or PPM range 3 Define the new va...

Page 70: ...From the Analog Range Key select Set Track Hold 2 You can choose to either hold process readings or track calibration readings on the analog output port Separate choices can be made for calibration a...

Page 71: ...to 20 mA Mode or 0 to 20 mA Mode Output Filtering Option Filter out quick transitions in readings to allow a smoother analog output Setting output filtering 1 After selecting an analog output port fro...

Page 72: ...Selecting the function 1 After selecting an analog output port from the Analog Range menu choose Select Function 2 Select what you want the analog output port to track The Series 2000 control unit pro...

Page 73: ...able auto cal cycles Auto Cal On Off Set cal gas times for auto cal verify operations Set Auto Timers Define recovery durations after a cal verify Recovery Duration Configure Verify Enter verify gas v...

Page 74: ...trol unit to automatically switch the calibration gases Manual calibrations are performed without an RCU and requires switching the gases manually Automatic Calibrations Allows the system to calibrate...

Page 75: ...disabling a system password Entering a Password When you select Calibrate Key menu options with password restrictions you must enter your system password Enter the 4 digit system password To protect...

Page 76: ...cycle times you don t have to select the Initiate Cal menu option to run an automatic calibration When using a digital input to trigger the auto calibration make sure that the Setup Key Remote Switch...

Page 77: ...nsor and stabilize and then use this time Define a time period for the system to recover from reading the calibration gas value to reading process gases 1 From the Calibrate Key menu select Initiate C...

Page 78: ...s Enter The remaining recovery time displays After the recovery period the system returns to process readings Manual Calibrate 1 Enter the calibration gas value to match the zero calibration gas you i...

Page 79: ...eft of the display has stabilized press En ter If you specified a recovery time the recovery time remaining displays The system returns to monitoring process readings Inject Zero Gas ENTER to Continue...

Page 80: ...e If using the RCU to perform an automatic or remote verify operation the verify gas should be placed in the span gas port of the RCU Auto Verify Enter the verify gas value to match the verify gas cyl...

Page 81: ...r system Determine the acceptable verify range Configure Verify This value is referred to in this section as a set point value 1 From the Calibrate Key menu select Initiate Verify 2 Select Continue Ve...

Page 82: ...fy gas cylinder you are using to verify your system Determine the acceptable verify range Configure Verify 1 From the Calibrate Key menu select Initiate Verify 2 Select Continue Verify to continue or...

Page 83: ...g recovery time displays The system then returns to monitoring process readings O2 xx x Set xx x Press ENTER to Verify Recover xx xx System Verifying Cal The reading on the far right of the first disp...

Page 84: ...calibration and verification data will be stored in memory Setting Up Cal Verify Data Option 1 From the Calibrate Key menu select Cal Verify Data 2 Select Calibration Data or Verify Data see sections...

Page 85: ...aracters will appear instead of the time and date If this occurs reset the analyzer s time and date Verify Value xx Verify Gas xx Verify Diff xx End time hr mn End date mm dd yr NOTE The term verify v...

Page 86: ...ify menu option instead Zero Gas low calibration gas Entering Cal Gas Values 1 From the Calibrate Key menu select Cal Gas Value 2 Choose to enter the zero gas value using either percent or PPM scale Y...

Page 87: ...low rate 1 Connect the zero gas cylinders to the RCU 2 From the Calibrate Key menu select Inject Cal Gas The following message displays showing that the RCU has introduced the zero gas to the sensor A...

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Page 89: ...Calibration 5 17 SINGLE GAS CALIBRATION CONTINUE WITH THE CALIBRATION PROCEDURE ON PAGE 5 30 SET CAL TIMERS 2 Gas Calibration follows on next page...

Page 90: ...Define a time period for the system to recover from reading the calibration gas value to reading process gases Set Cal Timers Recovery Duration 1 From the Calibrate Key menu select Initiate Cal 2 Sele...

Page 91: ...matches the cal gas cylinder for that gas in the RCU When performing a primary calibration or the first calibration after a primary calibration the reading and set point values often won t match Once...

Page 92: ...span gas to the calibration gas inlet port of the sensor tubing must be free of oil and dirt 5 Press Enter once you have applied this calibration gas The span gas display then appears 6 Press Enter on...

Page 93: ...ry time displays The system then returns to monitoring process readings Inject Zero Gas ENTER to Continue CANCEL to Abort O2 xx x Set xx x Press ENTER to Zero Recovery xx xx System Calibrating The rea...

Page 94: ...ng the RCU to perform an automatic or remote verify operation the verify gas should be placed in the span gas port of the RCU Auto Verify Before you can start an auto verify you must do the following...

Page 95: ...ollowing Enter the verify gas value to match the verify gas cylinder you are using to verify your system and determine the acceptable verify range Configure Verify This value is referred to in this se...

Page 96: ...tch the verify gas you are using to calibrate your system and determine the acceptable verify range see the Configure Verify section later in this chapter for help on how to do this 2 Select Continue...

Page 97: ...is value matches the cal gas cylinder for the gas you applied to the cal gas inlet port of the sensor If you specified a recovery time the system will display the recovery time re maining The system t...

Page 98: ...ed in memory Setting Up Cal Verify Data Option 1 From the Calibrate Key menu select Cal Verify Data 2 Select Calibration Data or Verify Data Calibration data For calibration data the display first sho...

Page 99: ...e the system read during the verify operation and the term verify gas is the set point value entered using the Configure Verify option from the Calibrate Key menu Press Enter The time when the verific...

Page 100: ...ring Cal Gas Values 1 From the Calibrate Key menu select Cal Gas Value 2 Choose whether you want to enter the span gas value using a percent or PPM scale 3 Enter the span gas value then press Enter If...

Page 101: ...e span gas to the sensor Manually set the pressure and flow for the span gas and press Enter 3 When you have adjusted the pressure and flow for the span gas to the desired levels press Enter A message...

Page 102: ...calibration cycle must be enabled to perform an automatic calibration or verify Auto Cal On Off If you schedule a verification and calibration at the same time the verification will be performed firs...

Page 103: ...military time For example 4 00 PM is 16 00 If you set the cycle frequency at 8 hours and specify the first calibra tion to take place at 4 00 PM the next automatic calibration or verification will tak...

Page 104: ...you can re enable the auto calibration or verification cycle and retain all your timer settings 1 From the Set Cal Timers menu select Auto Cal On Off 2 Select Auto Cal On Off or select Auto Verify On...

Page 105: ...n time press Enter If performing an auto matic verification enter the verify gas time here If you are satisfied with the displayed time just press Enter Two gas calibration 1 From the Set Cal Timers m...

Page 106: ...om the Set Cal Timers menu select Recovery Duration Enter a calibra tion recovery duration 2 Enter the recovery time then press Enter If you want to use the currently displayed recovery time just pres...

Page 107: ...ify gas is not within the acceptable range a Verify Failure message will appear on the bottom line of the display and the Service Alarm will trip The error message will continue to be displayed until...

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Page 109: ...from the controller and the sensor and the sensor has been allowed to cool for at least one hour Always wear gloves when working on sensor components System and Error Messages System and error message...

Page 110: ...determine the constants needed for the Nernst equation If you see this message select the Calibrate Key and perform a calibration This message will not clear from the dis play by removing or restoring...

Page 111: ...p problem Incorrect flow rates between calibration gases Process pressure incorrectly entered Failed cell primary calibration should be run at this time Leak or plug in plumbing Cell lead wires polari...

Page 112: ...r are Shorted thermocouple Faulty interconnecting wiring Control unit display module failure Sensor board failure If this message is soon followed by a Thermocouple Failure message see that message fo...

Page 113: ...wires leading to pins C and D on the sensor board To check the continuity of the thermocouple measure resistance across pins C and D on the sensor board The resistance should be less than 5 Ohms If th...

Page 114: ...d are seated prop erly Ensure wires are not reversed and the cable is not damaged Calibration Setup Checks Check that the correct calibration gas values have been entered into the control unit Select...

Page 115: ...all power from the RCU and pressurize the inlets Apply a leak detecting liquid along the base of the solenoids and any plumbing fittings Repair any leaks found The solenoid drive signal is a 15 VDC s...

Page 116: ...ter measure across terminals R and S on the sensor board The resistance of the furnace should be 32 Ohms 10 at room temperature Add 5 if the furnace is still hot If the furnace resistance is not withi...

Page 117: ...after the primary calibration General Troubleshooting Your system may pass calibrations yet still seem to be reading incor rect oxygen levels Leaks can lead to inaccurate read ings especially if opera...

Page 118: ...he system is not in calibration This LED remains off for the entire calibration cycle then turns back on during the calibration recovery time and during normal operations when the process gas is flowi...

Page 119: ...ions Thermocouple Replacement Cell Replacement Furnace Replacement See the Installation Chapter for help on how to remove or replace Series 2000 control unit modules or option cards including the disp...

Page 120: ...cover and all sensor assembly components are extremely hot up to 500 F 260 C inside the cover even after power has been removed from the sensor Use caution and wear appropriate gloves when handling s...

Page 121: ...ssembly remove the screw and lock washer from the ther mocouple mounting tab Save the screw and lock washer for when you insert the new thermocouple 3 Pull the thermocouple straight up and remove it f...

Page 122: ...lyzer Ceramic Washers Ferrule Inlet Tube O Ring Fitting Cell Fingers Cell O Ring Cell Clip Cell Figure 7 1 Cell replacement Furnace Bracket Screw Mounting Bracket O Ring Fitting thermocouple Figure 7...

Page 123: ...ve the white inlet tube in place If acci dentally removed re seat the white inlet tube into the O ring body 7 Retrieve the new cell and cell O ring 8 Place cell O ring over the cell so it touches anyw...

Page 124: ...hand Keep these screws 4 Lift the furnace off the furnace posts 5 Remove the screw and accompanying lock washer from the thermocouple mounting tab save the screw and lock washer to install the thermoc...

Page 125: ...Control Unit Display Module Power Supply Keypad Module Auto Calibration Card Backplane Assembly Wiring Card Processor Board P N 7000 679 SE P N 90253VE P N 80436SE P N 80439SE P N 80457SE P N 80440SE...

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Page 127: ...t must match the baud rate of the host device Baud rates are user programmable See the Communication sec tion under Setup Key in Chapter 4 for help on defining control unit baud rates The communicatio...

Page 128: ...ode Address section under Setup Key in Chapter 4 for help on specifying node addresses for controllers The maximum number of controllers that can be connected on the network is 32 The Command Letter i...

Page 129: ...a list of these variables and their location codes If a variable is selected beyond the end of the Variable Table shown an error will be returned The value returned is followed by a text string for t...

Page 130: ...e 1 is used to read the date and time of the last calibration and 2 is used to read the date and time of the last verification Date and time is returned as mm dd yy hh mm in 24 hour military time Set...

Page 131: ...o communicate Data Format J Check how data is output through the serial link For each variable that is accessible through the Read Number and Write Num ber commands a string is returned that describes...

Page 132: ...tion provides the command letters you can use Command Letter Description A Echo B Bad Command C Acknowledge F Read Number G Calibrate H Write Number J Data Format M Read Date and time N Set Date and T...

Page 133: ...rs Checksum 2 hex ASCII characters End Character Examples A Simple acknowledge AFF0050 Acknowledge with data Failure All failure responses start with a N followed by a two hex digit failure code and a...

Page 134: ...A 7 Read Write H 2 bytes 04 Probe_type connected to system Type of probe Read Write U 0 insitu 1 WDG 2 HP 3 TM2000 4 3 in 1 05 06 07 Line1_flg Line2_flg Line3_flg Display Line 1 Display Line 2 Displa...

Page 135: ...ature rise failure Read Only 1 true 0 false 1 cell is over temperature 2 zero gas range error 3 span gas range error 4 primary calibration 5 memory is corrupted 6 excessive cal error 7 calibration req...

Page 136: ...A 11 Reserved N A 12 Reserved N A 13 Reserved N A 14 Reserved N A 15 Reserved N A Bit Description Read Write Format 0 track hold output 1 during cal All Read Write 1 track 0 hold 1 track hold output 1...

Page 137: ...rm 3 on Oxygen High Bit 1 Alarm 3 Oxygen Low Bit 2 Alarm 4 Oxygen High Bit 3 Alarm 4 Oxygen Low Bit 4 N A Bit 5 N A Bit 6 N A Bit 7 N A Bit 8 Alarm 3 Flow High Bit 9 Alarm 3 Flow Low Bit 10 N A But 11...

Page 138: ...RANDOM AS 1 String to be echoed T Test message Address of the series 2000 controller Address 254 Build the message M HEX Address A T M M Checksum M Continue sending message until key pressed Assumes...

Page 139: ...Process pressure Positive Pressure enter value Negative Pressure enter value System Tests Various System Serial Serial Manufacturing Primary Calibrate Auto Remote Manual Sensor Config Regular Hydrocar...

Page 140: ...Gas N A Set Cal Timers See Figure B 3 Configure Verify Define Verify Gas value Define Verify Gas acceptable range Calibrate Key Set Cal Timers Submenu Calibrate Key Set Cal Timers Submenu Menu Options...

Page 141: ...Start of Verify Exception Log N A Analog Range Key Menu Analog Range Key Menu Menu Options Set Current Range 20 mA 40 mA Set Track Hold Hold output at last process reading during calibration Track ca...

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Page 143: ...e internal supply to power the current output circuits If you try to use an external voltage at this time the system will use whichever voltage is higher control unit voltage is normally about 28 Volt...

Page 144: ...ng a diode from each power supply positive terminal diode anode to power supply to the VEXT1 2 terminal The power supply minuses would be tied together and connected to one side of the both loads The...

Page 145: ...ion gases See Chapter 4 for help on how to set up the calibration process from software Control Signals High or Low Signal from Control Unit Calibration Control Signal labeled Aspirator on the control...

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Page 147: ...es any custom drawings or instructions you have ordered If you didn t order any cutome options the standard Interconnect drawing is provided If you ordered special options the drawings or special inst...

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