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21.0

%Oxygen

Commissioning and
Calibration Procedures

Z-MT
Zirconia Oxygen Analyzer

ABB Instrumentation

Содержание Z-MT

Страница 1: ...21 0 Oxygen Commissioning and Calibration Procedures Z MT Zirconia Oxygen Analyzer ABB Instrumentation ...

Страница 2: ...nd packages must be observed 3 Installation operation maintenance and servicing must only be carried out by suitably trained personnel and in accordance with the information given 4 Normal safety precautions must be taken to avoid the possibility of an accident occurring when operating in conditions of high pressure and or temperature 5 Chemicals must be stored away from heat protected from temper...

Страница 3: ...ON The commissioning and calibration procedures detailed in this manual are additional to those in the operating instructions ZMT 0011 and are usually carried out prior to despatch If however any of the following is required the commissioning set up and calibration can be checked A change to instrument operation Inclusion of additional features e g relay and or retransmission outputs Confirmation ...

Страница 4: ... Single Dual fuel selection Auto Manual fuel changeover selection Fuel type selection Enable Disable cell thermocouple Enable Disable flue thermocouple Enable Disable air thermocouple Enable Disable carbon monoxide input Probe under temperature alarm on off Broken cell thermocouple alarm on off Broken flue thermocouple alarm on off Broken air thermocouple alarm on off Cell impedance check on off S...

Страница 5: ... or F oil 5 or F oil 4 or Dist oil or Coal or Hev oil or Med oil or Fuel oil or Nat Gas or Cell T C yes ENT Flue T C yes ENT Air T C yes ENT CO Signal yes ENT Temp Set point of Under Temp Alarm Under T A C ENT Under T A m on or Imp Check no no ENT no ENT no ENT no ENT F off or Bk Cel TC A on or off or Bk Flu TC A on or off or Bk Air TC A on or off or yes Refer to Overall Programme Chart Electrical...

Страница 6: ...tion 4 Software Identification Shows the software type and issue number to be quoted on any correspondence with the Company Automatic Cold Junction Compensation ACJC Constant The cold junction reference temperature in C is shown on the upper display If the value is suspect it may be checked as follows a Measure the temperature at the ACJC transistor TR1 with a mercury in glass thermometer see Fig ...

Страница 7: ...tputs Up to 4 relay outputs can be used with module positions as follows see Fig 3 4C Module position 1 1 relay Module position 2 1 relay Module position 3 2 relays Notes a Ensure that the module positions are used sequentially i e 1 1 and 2 1 2 and 3 other permutations are not permissible b The number of relay outputs displayed in the Relay Allocation Page see ZMT 0011 correspond to the value sel...

Страница 8: ...f Special fuel is selected the following combustion data is required for the fuel Carbon dioxide constant Water constant Combustion efficiency constant If these are unknown or cannot be calculated contact the Company Advance to Cell Thermocouple all fuels other than Special or Advance to Carbon Dioxide Constant single fuel version with Special fuel or Advance to Special Fuel 1 Name dual fuel versi...

Страница 9: ...on Dioxide Constant Store and advance to next letter Advance to next parameter Water Constant Store Advance to next parameter Efficiency Constant CO2 constant ENT H20 constant ENT Ef ncy const ENT Fuel 1 Flashing Enter Store and advance to next letter Enter Store Set the required constant for the fuel used Store or Enter Set the required constant for the fuel used Store Advance to next parameter o...

Страница 10: ...ermocouple is never to be used Advance to next parameter Carbon Monoxide Signal A signal from an external carbon monoxide monitor can be used for display of carbon monoxide content in the Carbon Dioxide Carbon Monoxide P see Operating Instructions Cell T C yes ENT no ENT Flue T C yes ENT no ENT Air T C yes ENT no ENT CO Signal yes no Store Air Thermocouple Select whether or not an air thermocouple...

Страница 11: ...tch on or Switch off N B The alarm must only be switched off for special applications Store Advance to next parameter Under T A C ENT F Under T A m on or off or Bk Cel TC A on or off or Broken Cell Thermocouple Al The alarm can be switched on or off Switch on or Switch off N B The alarm must only be switched off for special applications Enter Store Advance to next parameter o r no o r on or off or...

Страница 12: ... Check no yes Broken Flue Thermocouple A The alarm can be switched on or off Switch on or Switch off N B The alarm must only be switched off for special applications Enter Store Advance to next parameter Broken Air Thermocouple Ala The alarm can be switched on or off Switch on or Switch off N B The alarm must only be switched off for special applications Store Advance to next parameter or Store En...

Страница 13: ...Standard type K thermocouple tables BS4937 pt 4 no ENT Basic Analysers Select the Commissioning Pag Cell Thermocouple Select cell thermocouple Store Return to top of Commissioning Page basic analysers Flue Thermocouple Select flue thermocouple if flue thermocouple input is to be calibrated Advance to next parameter COMMISSIONING Flue T C yes ENT Store Air Thermocouple Select air thermocouple if ai...

Страница 14: ... the Commissioning Pag Cell Thermocouple Select cell thermocouple Store COMMISSIONING Cell T C yes ENT no ENT Enter Advance to cell thermocouple parameter 3 Times or Enter Number of Retransmission Outputs Identify the number of retransmission modules fitted see Fig 3 4C on page 4 Make a note of the retransmission range s and then reset it for 4 to 20mA operation see Section 6 2 in ZMT 0011 Set the...

Страница 15: ...ately three seconds to gain access to the SECURE PARAMETERS retransmission 1 within the Analogue Retransmission Page Advance to SECURE PARAMETERS retransmission Twice ANALOGUE RETRANSMISS OP1 ReTx xxxxx or Vary Lo OP1 ENT Vary Hi OP1 ENT Retransmission Output 1 or OP1 ReTx Cell T or Make a note of the parameter range assigned to retransmission output 1 and then assign the cell temperature range St...

Страница 16: ...mission Output 1 On o Twice Retransmission Output 1 On o Switch retransmission output on Enter Store Repeat for all other retransmission outputs as applicable COMMISSIONING Carbon Monoxide Signal Advance to Carbon Monoxide Sig yes Select the Commissioning Pag Select carbon monoxide signal Store no CO Signal yes Return to top of Commissioning Page ...

Страница 17: ...Access Max O2 mV x x x x x x 217 6 Min O2 mV x x x x x x 6 4 Cell temp zero x x x x x x Cell temp span x x x x x x in C 0 in C 1370 Flue temp zero x x x x x x Flue temp span x x x x x x in C 0 in C 1370 Air temp zero x x x x x x Air temp span x x x x x x in C 0 in C 1370 Note x x x x x x is a numerical code usedfor software analysis during manufacteure and can be disregarded Electrical Calibration...

Страница 18: ...n the millivolt source i e simulating 0 05 O2 at 1400 C Set 217 6 on the upper display Store Advance to next parameter Range Minimum Set 6 4mV on the millivolt source i e simulating 25 O2 at 1400 C Set 6 4 on the upper display Store Advance to next parameter Disconnect the millivolt source from the PROBE CELL terminals and remake original cell connections or Enter or Enter CELL THERMOCOUPLE INPUT ...

Страница 19: ...ing cable see Section 5 4 1 or 5 4 2 in ZMT 0011 AIR THERMOCOUPLE INPUT ELECTRICAL CALIBRATION Flue Temperature Zero Repeat the procedure as for Cell Temperature Zero above but measuring the ambient temperature at the FLUE T C terminals Flue Temperature Span Repeat the procedure for Cell Temperature Span above but measure the ambient temperature at the FLUE T C terminals Disconnect the millivolt s...

Страница 20: ...e milliammeter reading to 0 00mA OP1 Zero x x x x x x SECURE PARAMETERS Retransmission Enter Store Retransmission Output 1 Span Calibration Measure the ambient temperature at the CELL T C terminals and from standard type K thermocouple tables obtain the millivolt equivalent of this temperature a Subtract a from 55 80 the theoretical millivolt equivalent of 1400 C for a type K thermocouple and set ...

Страница 21: ... numerical code used for software analysis during manufacture and can be disregarded Continued overleaf Refer to Overall Programme Chart Fig 10 in ZMT 0011 ANALOGUE RETRANSMISS With Security Access Without Security Access OP1 ReTx O2 off on Cell T Flue T Air T Ef ncy OP1 ReTx O2 or Cell T Flue T Air T Ef ncy Vary Lo OP1 ENT Vary Hi OP1 ENT off or OP1 ReTx on or SECURE PARAMETERS Omitted if respect...

Страница 22: ... Set the value on the upper display to 20 0 Continued from previous page Return to top of Carbon Monoxide Dioxide Page CO2 Inferred CO2 CO ppm Carbon Monoxide CO2 not available CO not available Max ppm CO ENT Without Security Access Calculated CO2 Measured Carbon Monoxide Min CO p p m I P Max CO p p m I P With Security Access USER PARAMETERS Min ppm CO ENT Without Security Access Max CO p p m I P ...

Страница 23: ...ems Cable length measuring systems Indicators recorders controllers and process management systems Recorders circular and strip chart types single and multi point for temperature pressure flow and many other process measurements Controllers digital display electronic pneumatic Discrete single loop and multi loop controllers which can be linked to a common display station process computer or person...

Страница 24: ...in without notice 1997 ABB Printed in UK 4 97 ABB Kent Taylor Ltd St Neots Cambs England PE19 3EU Tel 01480 475321 Fax 01480 217948 IM ZMT 0012 Issue 5 ABB Instrumentation Inc PO Box 20550 Rochester New York 14602 0550 USA Tel 716 292 6050 Fax 716 273 6207 ABB Kent Taylor SpA 22016 Lenno Como Italy Tel 0344 58111 Fax 0344 56278 ...

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