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Drawings & Custom Instsructions | D-1

DRAWINGS AND CUSTOM INSTRUCTIONS

This appendix provides any custom drawings or instructions you have
ordered. If you didn’t order any cutom options, the standard Interconnect
drawing is provided.

If you ordered special options, the drawings or special instructions pro-
vided here supercede any drawings or options provided elsewhere in the
manual.

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Содержание Thermox CEM O2/TM

Страница 1: ...Thermox CEM O2 TM Oxygen Analyzer User Manual Thermox 150 Freeport Road Pittsburgh PA 15238 P N 90496VE Rev G...

Страница 2: ...Yao Qiao Road Shanghai 200030 Ph 86 21 6426 8111 Fax 86 21 6426 7054 USA Delaware 455 Corporate Blvd Newark DE 19702 Ph 302 456 4400 Fax 302 456 4444 AMETEK Beijing CITIC Building Room 2305 19 Jianguo...

Страница 3: ...ibration Unit RCU 2 4 chapter 3 Installation Mounting the Sensor 3 2 Sample Gas Requirements Connection 3 3 Remote Calibration Mechanical Installation Optional 3 4 Customer Supplied Remote Calibration...

Страница 4: ...Key 4 5 Analog Range Key 4 18 Alarm Key 4 26 Service Alarm 4 33 Watchdog Relay 4 33 Exception Log 4 34 chapter 5 Calibration Definitions 5 2 Types of Calibrations 5 2 Overview 5 3 Aborting a Calibrati...

Страница 5: ...eplacement Cleaning 7 4 Thermocouple Replacement 7 6 Furnace Replacement 7 8 Parts Replacement List 7 10 appendix a Serial Communications appendix b Menu Option Charts appendix c Current Outputs Other...

Страница 6: ...Safety Up to 5 kV may be present in the analyzer housings Always shut down power source s before performing maintenance or troubleshooting Only a qualified electrician should make electrical connecti...

Страница 7: ...a technique allowing high frequency shield bonding while avoiding the AC ground metal connection In the case of shielded cables the drain wire or braid connection must be kept short A two inch connec...

Страница 8: ...g or wiring modules Explosion hazard do not disconnect equipment unless power has been switched off or the area is known to be nonhazardous This equipment is suitable for use in Class I Division 2 Gro...

Страница 9: ...residential trash The Wheelie Bin marking on this product is a reminder to dispose of the product properly after it has completed its useful life and been removed from ser vice Metals plastics and oth...

Страница 10: ...Measuring Equipment Heavy Industrial 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 Lis...

Страница 11: ...subject to misuse neglect abuse or improper use Misuse or abuse of the equipment or any part thereof shall be construed to include but shall not be limited to damage by negligence accident fireorforc...

Страница 12: ...xii Thermox CEM O2 TM This page intentionally left blank...

Страница 13: ...TM analyzer consists of the following basic systems The Plumbing All inlet and outlet tubing cell housing the sensing cell and the sensing cell fitting The Measuring System Sensing cell interconnectin...

Страница 14: ...s produced See Figure 1 1 The magnitude of this voltage is a function of the ratio of the two oxygen partial pressures If the oxygen partial pressure of one gas is known the voltage produced by the ce...

Страница 15: ...burn When this occurs the cell will gener ate high millivolts and cause the display to indicate less oxygen than is actually in the gas net oxygen content Hydrocarbons When hydrocarbons are present i...

Страница 16: ...side the sensor cabinet turn the power off The heater has exposed windings and a short to the plumb ing will blow the fuse and could damage the furnace or thermocouple Do not handle the cell excessive...

Страница 17: ...the enclosure Interconnect the control unit and the sensor per the appropriate inter connecting drawing The specified cable must be used in order to insure proper opera tion of the systems Keep the i...

Страница 18: ...ctory to provide this information when receiving service Cell millivolts Thermocouple millivolts Cell temperature See the Display section in the Controller User Interface chapter for help on how to di...

Страница 19: ...e mV or cell mV Each output can be 4 20 mA 0 20 mA 20 4 mA or 20 0 mA and is fully scalable Hold or track during calibration and select degree of damping Maximum load 1200 ohms Alarms Two independent...

Страница 20: ...ount UL Type 4 NEMA 4 IP56 and UL Type 4 NEMA 4 X IP56 enclosures available All are UL Listed for NEC Class I Division 2 areas Calibration Store last calibration and verification data Selectable calib...

Страница 21: ...conds at 1 0 l min 2 scfh to 90 of 2 decade step change Repeatability Percent 0 5 of reading or 0 1 O2 absolute whichever is greater PPM 0 5 of reading or 0 1 PPM O2 absolute whichever is greater Drif...

Страница 22: ...TES 1 All static performance characteristics are with operating variables con stant 2 System accuracy referenced to 0 1 to 10 calibrated range 3 Response is to calibration gas Remote Calibration Unit...

Страница 23: ...reason Qualified service personnel should never service the controller or sensor unless power has been removed from the controller and sensor and the sensor has been allowed to cool for at least one h...

Страница 24: ...ure is outside the specified limits or the vibration is excessive please contact Thermox Sales or Service Department at 412 828 9040 Special options exist to address ambient temperatures outside the l...

Страница 25: ...sor Provide at least six inches clear ance above the sensor so you can later replace the cell The cell is replaced by lifting it through the top of the sensor enclosure The sensor should be located as...

Страница 26: ...ns Span gas Minimum one decade above zero gas 10 times greater For example if zero gas is 1 0 span gas must be 10 or higher If zero gas is 0 1 span gas must be 1 or higher Zero gas from 0 1 ppm to 10...

Страница 27: ...y Provided Re mote Calibration Unit Setup section below or the signals from the con trol unit to create your own remote calibration sequence using your own control valves to switch between the process...

Страница 28: ...times reduces calibration gas expense and reduces the chance of contaminants in the calibration gas plumbing The maximum ambient temperature for the RCU should be less than 160 F 70 C Do the followin...

Страница 29: ...5 RCU flow diagram Figure 3 4 RCU calibration gas connections Instrument air inlet 1 4 NPT F Zero gas inlet 1 8 NPT F regulated to 10 psi by RCU LEFT SIDE Calibration gas outlet to sensor cal gas inl...

Страница 30: ...s an example of a calibration setup using the factory pro vided RCU Figure 3 6 RCU calibration setup example SERIES 2000 CONTROL SAMPLE GAS VACUUM TO PULL SAMPLE REMOTE CALIBRATION UNIT PROCESS CAL CO...

Страница 31: ...igure 3 7 Control Unit signals to initiate a remote calibration CONTROL SIGNALS HIGH OR LOW SIGNAL FROM CONTROL UNIT Calibration Control Signal labeled Aspirator on control unit System Calibrating Hig...

Страница 32: ...panel mounting dimensions for the Series 2000 weatherproof enclosure Use 1 4 diameter fasteners to mount the control unit to the panel Weatherproof Wall Pole Figure 3 9 shows the wall and pole mountin...

Страница 33: ...r and control unit for 1 hour while maintaining purge air flow before door is opened unless the area is demonstrated to be non haz ardous Z Purge Startup Procedure Power shall not be restored after th...

Страница 34: ...nel mounting dimensions for the Series 2000 general purpose enclosure This version can be mounted in panels up to 1 thick General Purpose Wall Figure 3 13 shows the mounting dimen sions for the Series...

Страница 35: ...ontrol unit Figure 3 14 shows the orientation of the wiring card for general purpose rack and panel mount versions for all other versions the wiring card is 180 degrees from this view To access the wi...

Страница 36: ...t AC mains supply wiring to sensor Control unit to sensor Control unit to remote calibration unit Control unit to alarm devices Control unit to current output devices Control unit to host computer RS...

Страница 37: ...codes for your location Follow proper grounding shielding and noise protection practices as described in this section Use twisted pair cable with an overall braided shield or twisted pair cable in rig...

Страница 38: ...tch or circuit breaker as the control unit disconnecting device AC L and N markings are provided by the terminal block for connection of AC power These markings are for reference purposes only such as...

Страница 39: ...hod Shield Ring Method Connect all shields for that conduit entry other than power to a sup plied shield terminal ring see Figure 3 16 This shield ring is a stain less steel ring with a metal tab Plac...

Страница 40: ...oad as possible Examples of transient suppressors include MOVs TRANSORBs and RC snubbers AC mains supply wiring should not be run in the same conduit with mains supply wiring that feeds heavy inductiv...

Страница 41: ...and sensor before making sensor con nections This section describes required wiring connections between the control unit and the sensor Follow the connection instructions for the applicable options f...

Страница 42: ...ck for connection of AC power These markings are for reference purposes only such as for use on system wiring diagrams etc The system product has or needs no specific LINE or NEUTRAL connection for an...

Страница 43: ...or and within easy reach of an operator Mark the switch or circuit breaker as the sensor disconnecting device Standard Sensor Connections Make these connections from the control unit to the dry sensor...

Страница 44: ...outputs 1 and 2 are capable of driving up to 1200 ohm loads The standard control unit with no options provides two current outputs These two current outputs 1 and 2 are isolated from the control unit...

Страница 45: ...Installation 3 23 Figure 3 20 Current output connections example...

Страница 46: ...then the watchdog alarm will reset The system will retain in memory the last time the watchdog condition occurred see the Exception Log segment in the Alarm Key section for help on how to view this in...

Страница 47: ...Installation 3 25 Figure 3 21 Series 2000 standard alarm connections...

Страница 48: ...RCU ASPIR Process Cal Control Valve Signal SPAN1 15 on RCU VALVE COMMON 16 on RCU Digital Input to Initiate Remote Calibration Unit The digital input connections on the wiring card allow you to initi...

Страница 49: ...Installation 3 27 Figure 3 22 Series 2000 controller RCU connections...

Страница 50: ...wire communications on the wiring card are labeled as follows 4WTX 2W 4WTX 2W Connect all the 2 wire pluses and all the 2 wire minuses in parallel with all the devices in a daisy chain fashion includi...

Страница 51: ...Installation 3 29 Figure 3 23 Series 2000 2 wire RS 485 communications connections...

Страница 52: ...r The Series 2000 Control Unit is equipped with termination resistors that can be used for the last control unit on the network The switch settings are SW1 1 ON SW1 2 ON SW1 3 ON This provides 120 ohm...

Страница 53: ...Installation 3 31 Figure 3 24 Series 2000 4 wire RS 485 communications connections...

Страница 54: ...display module or power supply keypad module on the control unit see Figure 3 25 1 Open the access door below the display module hinges down 2 Pull on the handle of the power supply keypad module and...

Страница 55: ...sure the card is properly seated by pressing on both sides firmly If the card is not properly seated the access door may not close 4 Reinstall the power supply keypad module Removing an Option Card D...

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Страница 57: ...er provides a brief overview on how to use the Series 2000 con trol unit This includes the following topics Areas of the Control Unit Password Restrictions Control Unit Display Auto Ranging Feature Co...

Страница 58: ...ay module The con trol unit is operated by pressing keys on the keypad Password Restrictions For menu options to change system settings in which a password is required you must first enter the passwor...

Страница 59: ...alarm condition is reached an Up Arrow will appear next to the high hydrocarbon message Auto Ranging Feature If the oxygen reading falls below 0 5 O2 the display switches from the percent scale to th...

Страница 60: ...isplay line it indicates that there are more menu options available by pressing the Up Arrow Key Exiting Menu Options To cancel out of a specific menu press the Cancel Key To exit all menus continue t...

Страница 61: ...Pres sure Perform system tests System Tests View the serial and manufacturing number for your control unit Sys tem Serial Perform a primary calibration on the sensor Primary Calibration This is not a...

Страница 62: ...t info for Display Line 1 Select info for Display Line 2 Select info for Display Line 3 Passwords Create a system password Process Pressure Select a positive or negative process pressure Enter process...

Страница 63: ...end that you put the information that is most critical for you to view on the first and second display lines Setting Up the Display 1 Select Display from the Setup menu 2 Select Display Line 1 Display...

Страница 64: ...to the Capital letter A Pressing the number 3 Key moves you to the Capital letter Z Pressing the number 7 Key moves you to the small letter a Pressing the number 9 Key moves you to the small letter z...

Страница 65: ...e provided so you can access this option and enter a new system password 1 Select Passwords from the Setup Key menu You will be prompted to enter a new system password Enter NEW Password 2 Enter a fou...

Страница 66: ...tup Key menu 2 Select Positive Pressure or Negative Pressure You are then prompted to enter your system process pressure Pressure xxx x kPa New Value 3 Enter your process pressure up to one decimal po...

Страница 67: ...Memory RAM Test Keyboard Tests that each key is functioning correctly Test EEPROM Tests the electrically erasable programmable read only memory Module Detect Allows the control unit to check for the p...

Страница 68: ...y the user This is used to test communication settings and wiring Read Memory Location This is used to view internal software variables used for system opera tion and troubleshooting System Serial Thi...

Страница 69: ...hould be 11 05 mV 273 C 2 02 mV 50 C 13 07 mVs If you have a T C ratio of 0 9 the corresponding furnace temperature set point should be 615 C 0 9 683 C If you measure the voltage at terminals C and D...

Страница 70: ...ell Temp C Max T C Ratio Min T C Ratio 615 1 3 0 7 650 1 24 0 74 695 1 22 0 777 824 1 139 0 861 790 same as 824 C For a cell operating temperature of 615 C the T C ratio low limit is 0 7 and the high...

Страница 71: ...it you will be prompted to select Auto Calibrate Remote Calibrate or Manual Calibrate If you don t have the auto calibration option you will be placed into a manual calibration where you will be told...

Страница 72: ...drocarbon upset condition If the oxygen reading drops to 0 PPM and the millivolt value you entered is reached or exceeded the system displays a low oxygen high hydrocarbons message rather than the ox...

Страница 73: ...e that each control unit must be assigned a unique address other wise communication results will be unpredictable Enable Serial This option allows you to temporarily disable control unit serial com mu...

Страница 74: ...to do the following Define what information should be sent to the analog output port during a calibration Decide whether to hold the output at the last process reading taken before the start of calib...

Страница 75: ...the order in which they appear on your control unit screen from top to bottom Figure 4 5 provides an overview of the functions covered by each Analog Range Key menu option Figure 4 5 Overview of Analo...

Страница 76: ...ntification of the password the numbers you enter will not be displayed You will then be able to access Analog Range Key functions Analog Output Port Before you can define any Analog Range Key functio...

Страница 77: ...the selected current output represents 1 Select Set Current Range from the Analog Range Key menu after selecting an analog output port 2 If tracking oxygen select whether you want to enter the 20 mA...

Страница 78: ...le you can elect to hold the last process reading during verifica tions but track calibration gas readings during calibrations Setting track or hold 1 Select Set Track Hold from the Analog Range Key a...

Страница 79: ...a 0 to 20 or 4 to 20 mA analog output range for the selected analog output port This output is dependent on both the range of readings you define see the Set Current Range section and on the function...

Страница 80: ...Analog Range Key after selecting an analog output port You will be prompted to enter an output filtering value 100 FAST 1 SLOW Fltr XX New where XX is the current filter value Note that 100 equals no...

Страница 81: ...lts cell mv Selecting the function 1 Choose Select Function from the Analog Range menu after selecting an analog output port 2 Select the function you want the selected analog output port to track see...

Страница 82: ...ing temperature See the Wiring section in the Installation chapter for help on alarm con nections and how alarms are labeled on the control unit wiring card The Alarm Key allows you to set control uni...

Страница 83: ...ize or de energize on alarm Relay Configure The selection you make using the Relay Configure menu option applies to all alarms except the watchdog and service alarms which always de energize on alarm...

Страница 84: ...on alarm fail safe ALARM NUMBER FUNCTION Select Function Alarm Configure Relay Configure Alarm 3 O2 Cal Start Verify Start High O2 Alarm Low O2 Alarm Only selectable if Select Function is oxygen Disa...

Страница 85: ...O2 alarm and Alarm 4 for a high O2 alarm and the O2 value exceeds both the Alarm 3 and Alarm 4 set points two up arrows will appear next to the O2 value on the display Defining alarm set points Do the...

Страница 86: ...lies only if it is set to track oxygen levels O2 If Alarm 3 is set to trigger at the start of a cali bration or verification this option does not apply If you select Hydrocarbon Upset as the Sensor Co...

Страница 87: ...n alarm This menu option applies to all alarms except for the service and watchdog alarms which are always set to de energize on alarm fail safe Configuring the relay 1 Select Relay Configure from the...

Страница 88: ...ry duration you have specified If you select Hydrocarbon Upset as the Sensor Config option from the Setup Key menu Alarm 4 is fixed as both a high oxygen alarm and the alarm that triggers during a hyd...

Страница 89: ...ormally closed system failure causes open contacts The watchdog alarm relay de energizes when the system watchdog timer times out The watchdog timer will time out and cause the control unit to reset i...

Страница 90: ...most recent exception log entry on line four of the display and shows when this event was recorded on line three Line three of the display also shows the order in which events are recorded into the lo...

Страница 91: ...i brate your analyzer The Series 2000 control unit provides features that make calibrating your analyzer easy and even includes a way for the system to periodically calibrate itself All oxygen alarms...

Страница 92: ...tions require a remote calibration unit RCU that automatically switches the calibration gases and an auto calibration card installed in your control unit Manual cali brations are performed without an...

Страница 93: ...he current date and time Set Cal Timers Set Time and Date Temporarily enable or disable auto calibrations or verifications Set Cal Timers Auto Cal On Off CALIBRATE KEY Menu Options Functions Options I...

Страница 94: ...d during a calibra tion Password System passwords are created using the Setup key Please see the Password section in the Setup Key section of the Controller User Interface chapter for information on d...

Страница 95: ...sing the Set Cal Timers Set Auto Timers menu option Once you ve set these cycle times you don t need to select the Initiate Cal menu option to run an automatic calibration See the Remote Calibration U...

Страница 96: ...me period for the system to recover from reading the cali bration gas value to reading process gases Set Cal Timers Recovery Duration Start the auto calibrate as follows 1 Select the Initiate Cal opti...

Страница 97: ...ft of the display had stabilized yet is not near the setpoint value on the far right of the display you should check the cal gas value you entered to ensure that this value matches the cal gas cylinde...

Страница 98: ...brate You are then prompted to apply the O2 span gas to the calibration gas inlet port of the sensor tubing must be free of oil and dirt Inject Span Gas Vrfy Gas ENTER to Continue CANCEL to Abort 4 Pr...

Страница 99: ...e Enter key once the zero gas reading on the left of the display has stabilized The reading on the far right of the first display line shows the setpoint value you entered for the O2 zero gas using th...

Страница 100: ...elp on how to trigger an automatic calibration using a digital input If using a digital input to trigger the auto verify you must make sure that for the Setup Key Remote Switch Config selection must b...

Страница 101: ...ote Verify To initiate a remote verify do the following Enter the verify gas value to match the verify gas cylinder you intend to use to verify your system and also determine the acceptable verify ran...

Страница 102: ...atch Then the system will display the recovery time remaining Recovery xx xx System Verifying Cal After the recovery period the system returns to process readings Manual Verify 1 Enter the verify gas...

Страница 103: ...nt value should match the value on your verify gas cylinder If your O2 reading on the far left of the display has stabilized yet is not near the set point value on the right of the display check the c...

Страница 104: ...e value the system reads from the cal gas The term Span Drift or Zero Drift is the difference between the entered calibration gas value and the calibration gas values read by the system Both the lates...

Страница 105: ...ibration was completed If this occurs reset the analyzer s time and date Verify data For verify data the display shows the verify gas data Verify Value xx Verify Gas xx Verify Diff xx The term verify...

Страница 106: ...Gas Value from the Calibrate key menu 2 Choose whether you wish to enter the span gas value using a percent or PPM scale You are then prompted to enter the span gas value Span Gas xx New Value 3 Enter...

Страница 107: ...gas pressure and flow requirements It is important that all calibration gases as well as the sample gas flow through the analyzer at the same flow rate 1 Connect the span and zero gas cylinders to th...

Страница 108: ...gas to the sensor Zero gas is flowing 4 Adjust the pressure and flow for the zero gas to the desired levels You will then be prompted to end the cycle CANCEL to quit 5 Press the Cancel key to end the...

Страница 109: ...e Auto Cal On Off Define how long cal gases should flow through the sensor during automatic calibrations or verifications Cal Gas Duration Define a recovery duration during which time the sensor switc...

Страница 110: ...rs from the Set Cal Timers menu 2 Select Auto Cal Cycle if defining an automatic calibration cycle Se lect Auto Verify Cycle if defining an automatic verification cycle 3 Select Set Cycle in DAYS or S...

Страница 111: ...or verification will take place at midnight Set Cal Timers Set Time and Date This menu option allows you to set the date or time for the internal con trol unit clock Make sure the current time and dat...

Страница 112: ...emporarily disable the automatic calibration or verification cycle When the process is again operating you can re enable the auto calibration or verification cycle and retain all your timer settings 1...

Страница 113: ...l be prompted to enter the new span gas duration time O2 Span Time xx yy Enter new time Mn Sc 2 Enter the new span gas duration time then press the Enter key If performing an automatic verification en...

Страница 114: ...your last calibration gas is 2 this option gives the system time to recover back to reading the 6 process gas This menu option also can be used to prevent triggering of alarms if for example your low...

Страница 115: ...press the Enter key If you wish to keep the current verify gas value unchanged press the Enter key without entering a value 4 Enter the acceptable verify range For example if you enter a verify gas ra...

Страница 116: ...5 26 Thermox CEM O2 TM This page intentionally left blank...

Страница 117: ...d the sensor has been allowed to cool for at least one hour Always wear gloves when working on sensor components This chapter describes Series 2000 control unit system error messages as well as troubl...

Страница 118: ...Aborted This message indicates that the calibration has been aborted by the user Calibration Required This message is displayed to inform the operator that a regular calibra tion is required after a p...

Страница 119: ...emoving and restoring power to the unit Primary Calibration This message appears when the system is performing a Primary Calibra tion The message continues to be displayed during the one hour recov er...

Страница 120: ...e The software shuts off the furnace until the temperature returns to normal operating range If this message soon goes away it indicates that the temperature has returned to an acceptable range If the...

Страница 121: ...g and then restoring power to the unit If you see this message you should reset the control unit to the values required for your application including Setup Key Calibrate Key Alarm Key and Analog Rang...

Страница 122: ...ction circuit trip on the sensor board Sensor board failure Loss of furnace drive signal from control unit Thermocouple failed shorted or opened Interconnecting wiring problem Polarity of thermocouple...

Страница 123: ...ithin the range you defined If you receive this message calibrate the analyzer Zero Gas Range Error This error message occurs if the calibration zero gas does not read within the software s allowable...

Страница 124: ...echnical support Diagnostic checks are broken down as follows Wiring checks Thermocouple checks Calibration aspirator setup checks AC power checks Furnace checks Process pressure checks Cell checks Ex...

Страница 125: ...K test meter First display the thermocouple millivolts on the front panel display The display should measure a positive voltage If the display measures a negative voltage reverse the wires leading to...

Страница 126: ...ce the fuse 1 4 amp 125 volts IEC speed type FF Check the interconnecting wiring for shot circuits before applying power to the control unit If you do not measure 15 volts at terminals 2 and 12 of the...

Страница 127: ...the display module to sense the current sourced from the AD592 The compensation current produces a voltage drop across the resistor on the display module and then adds this voltage to the raw T C mVs...

Страница 128: ...alibration chapter for help on how to set up flow and inlet pressure Check that the PPM calibration gas cylinders are made of aluminum and not steel Check that the calibration gas cylinders are less t...

Страница 129: ...ignal 3 Connect the vacuum port side of the pressure gauge for example a Magnehelic gauge to the T fitting 4 Connect the sample gas outlet to the T fitting 5 Connect an aspirator to the T fitting 6 Co...

Страница 130: ...ignal present verify the proper flow If no signal is present check the interconnecting wiring between the control unit and the RCU If wiring is correct replace the Auto Cal Card If the solenoid drive...

Страница 131: ...ge Select the Cal Gas Duration option from the Calibrate Set Cal Timers menu to set calibration gas times If performing a manual calibration ensure that you are waiting for the reading to stabilize on...

Страница 132: ...FURNACE and 15V COM on the control unit wiring card for the furnace drive signal If the signal is not present check fuse F1 on the wiring card If this fuse is OK replace the control unit power supply...

Страница 133: ...ssion fitting and pipe thread connections are leak tight You can check for leaks by sniffing the fittings with another gas Use a piece of tygon or plastic tubing with a 1 8 stainless steel nozzle to a...

Страница 134: ...es 2000 controller auto calibration card LEDs are clearly labeled on the card All auto calibration card LEDs denote that the Series 2000 controller has sent out a 15 volt signal to the RCU to activate...

Страница 135: ...controller or sensor unless power has been removed from the control ler and sensor and the sensor has been allowed to cool for at least one hour This chapter shows you how to replace system parts and...

Страница 136: ...grees F 260 degrees C inside the cover even after power has been removed from the sensor Use caution and wear appropriate gloves when handling system com ponents Always use a backup wrench when workin...

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Страница 138: ...pplied cell O ring Avoid touching the bare cell instead hold the cell by one of its hex nuts 7 Place the new cell O ring on top of the cell housing as shown in Fig ure 7 1 8 Insert the new cell into t...

Страница 139: ...Service and Parts 7 5 Figure 7 1 Cell replacement...

Страница 140: ...ce It should go in freely if necessary wiggle a little to position without forcing it in The thermocouple should be near but not touching the cell housing or furnace heater coil 6 Put the screw back i...

Страница 141: ...Service and Parts 7 7 Figure 7 2 Thermocouple replacement Thermocouple Thermocouple mounting clamp Convection loop mounting clamp Cell housing Compression fitting Top View Furnace...

Страница 142: ...and remove the convection loop mounting clamp being sure to save the mounting clamp and screws for when you install the new furnace 6 Gently pull the cell housing out of the furnace and remove the fur...

Страница 143: ...Service and Parts 7 9 Figure 7 3 Furnace replacement...

Страница 144: ...N 80467SE P N 70718SE P N 88021QE Remote Calibration Unit RCU Remote Calibration Unit PPM P N 90296JE Calibration Gas Solenoid Valve P N 25370JE When ordering provide the serial number of your analyz...

Страница 145: ...ntrol unit must match the baud rate of the host device Baud rates are user programmable See the Communication section in the Setup Key Chapter for help on defining control unit baud rates The communic...

Страница 146: ...ds on the command see below and where the number of characters returned also depends on the command Limit is 20 characters The Checksum is the sum of all the preceding characters excluding the charact...

Страница 147: ...hese 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 the units whe...

Страница 148: ...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 Dat...

Страница 149: ...mat J This command is used to check how data is output through the serial link For each variable that is accessible through the Read Number and Write Number commands a string is returned that describe...

Страница 150: ...n provides the command letters you can use Figure A 1 Serial communication commands list Command Letter Description A Echo B Bad Command C Acknowledge F Read Number G Calibrate H Write Number J Data F...

Страница 151: ...a returned it will follow the A and have a checksum after it All responses end with a car riage return Examples A Simple acknowledge AFF0050 Acknowledge with data Failure All failure responses start w...

Страница 152: ...escription 01 Bad command letter 02 Bad checksum 03 Input overrun in serial communica tion 05 Parameter out of range 08 Error in receipt of a character 09 Cannot calibrate verify now 0A Internal error...

Страница 153: ...tes 03 Iout_flags see Table A 7 Read Write H 2 bytes 04 Probe_type Type of probe Read Write U connected to 0 Insitu system 1 WDG 2 HP 3 TM2000 4 3 in 1 05 Line1_flg Display Line 1 Read Write U 0 off 2...

Страница 154: ...ags_3 variable table Bit Description Read Write Format 0 sensor at op temp 1 over under temp 2 inject cal gas active Read Only 1 true 0 false 3 auto cal is active 4 auto verify is active 5 reserved 6...

Страница 155: ...ro gas range error 3 span gas range error 4 primary calibration 5 memory is corrupted 6 excessive cal error Read only 1 true 0 false 7 calibration required 8 thermocouple failure 9 thermocouple compen...

Страница 156: ...Reserved N A 5 auto verify time is set 1 true 0 false 6 auto verify timer is enabled 1 false 0 true 7 auto cal cycle 1 hours 0 days programmed in hours days 8 auto verify cycle All Read Write 1 hours...

Страница 157: ...track 0 hold 5 track hold output 2 during verify 1 track 0 hold 6 current mode select for output 2 All Read Write 1 0 20 mA 0 4 20 mA 7 Reserved N A 8 track hold output 3 during cal 1 track 0 hold 9 t...

Страница 158: ...NDOM 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 tha...

Страница 159: ...gative process pressure Enter process pressure value System Tests Perform internal diagnostics on Series 2000 System Serial View serial number for Series 2000 View manufacturing number for Series 2000...

Страница 160: ...Values Span Gas Zero Gas Inject Cal Gas N A Set Cal Timers see Set Cal Timers table Configure Verify Define Verify Gas Value Define Verify Gas Acceptable Range CALIBRATE KEY SET CAL TIMERS SUBMENU FUN...

Страница 161: ...3 only O2 Start of Calibration Start of Verify Exception Log N A Figure B 5 Analog Range Key menu ANALOG KEY MENU OPTIONS FUNCTIONS OPTIONS Set Current Range Range of readings that the analog output...

Страница 162: ...B 4 Thermox CEM O2 TM This page intentionally left blank...

Страница 163: ...JP2 on the Series 2000 control unit display module is used to allow you to define which power source to use If JP2 is in factory default the control unit uses the internal supply to power the current...

Страница 164: ...pply and a load device All current output channels IOUT1 and IOUT2 can be connected in the same manner as shown in this figure IOUT1 and IOUT2 must share the same power supply if both of these chan ne...

Страница 165: ...Outputs Other Applications C 3 Figure C 1 Modulation of external power supply OUTPUT DEVICE COMPUTER OR CHART RECORDER MAX LOAD RESISTANCE 1200 OHMS OPTIONAL EXTERNAL LOOP POWER SUPPLY MAX VOLTAGE 30...

Страница 166: ...C 4 Thermox CEM O2 TM This page inentionally left blank...

Страница 167: ...s any custom drawings or instructions you have ordered If you didn t order any cutom options the standard Interconnect drawing is provided If you ordered special options the drawings or special instru...

Страница 168: ...D 2 Thermox CEM O2 TM This page intentionally left blank...

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