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3-2 | TM 2000 Oxygen Analyzer

Mechanical Installation



Sensor

Mounting



Gas Plumbing

Requirements

Sample Gas/Calibration Gas

Pressure and Flow

Plumbing Options



Remote Calibration Unit

Installation

Sensor

Ambient Temperature Range

-18 °C to 50 °C (0 °F to 122 °F)

Sensor Mounting

The TM2000 sensor enclosure is a NEMA 3R (IP54)-rated, polyurethane-coated,

carbon steel cabinet that can be mounted on a wall or a pole. Figures 3-1 and 3-2 show

mounting 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

16.00

40.64

17.50

44.45

0.75

1.91

6.29

15.98

3.85

9.78

1.19

3.02

0.44 dia

1.12

4 PL

9.24

23.47

1.75

4.45

3.00

7.62

6.94

17.63

3.75

9.53

8.00

20.32

Sample Inlet

1/4” OD

Compression

Fitting

Sample Outlet

1/4” OD

Compression

Fitting

Control Cables

Power Cables

5.81

14.77

2.00

5.08

Mount the sensor as close to

the sampling system as pos

sible to improve the response

time and to reduce chances of

condensing moisture reach

ing the sensor.

Содержание TM2000 Pro

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 14: ...xiv TM2000 Oxygen Analyzer This page intentionally left blank...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 20: ...1 6 TM2000 Oxygen Analyzer This page intentionally left blank...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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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Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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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Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 108: ...5 36 TM2000 Oxygen Analyzer This page intentionally left blank...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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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Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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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Страница 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...

Страница 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...

Страница 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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Страница 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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