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Ax60+ Multi-Gas
Service Manual

Int. Approved

Document ref: P0159-803-11

September 2019

Page 60 of 62

Commercial in Confidence

16.2

MODBUS register map

The following table shows which Modbus registers hold additional information about the operation of the DOM and
Ax60+ system.

Data is sent in big-endian format on the wire

Important restriction: the DOM only supports the requesting of one item at-a-time. For example, to request the contents

of Read Input register 1 (Sensor Unit 1’

s gas reading) the request message will be for only two registers (1 & 2). If a

request is made for multiple items, then exception code “Illegal Function” will be returned.

The table below lists the Read Input Status.

Function

Register

Length

Comment

Read Input Status (02)

10001

Sensor Unit 1 fault condition

Read Input Status (02)

10002

Sensor Unit 2 fault condition

Read Input Status (02)

10003

Sensor Unit 3 fault condition

Read Input Status (02)

10004

Sensor Unit 4 fault condition

Read Input Status (02)

10005

Sensor Unit 1 alarm level 1 active

Read Input Status (02)

10006

Sensor Unit 2 alarm level 1 active

Read Input Status (02)

10007

Sensor Unit 3 alarm level 1 active

Read Input Status (02)

10008

Sensor Unit 4 alarm level 1 active

Read Input Status (02)

10009

Sensor Unit 1 alarm level 2 active

Read Input Status (02)

10010

Sensor Unit 2 alarm level 2 active

Read Input Status (02)

10011

Sensor Unit 3 alarm level 2 active

Read Input Status (02)

10012

Sensor Unit 4 alarm level 2 active

Read Input Status (02)

10013

Sensor Unit 1 alarm level 3 active

Read Input Status (02)

10014

Sensor Unit 2 alarm level 3 active

Read Input Status (02)

10015

Sensor Unit 3 alarm level 3 active

Read Input Status (02)

10016

Sensor Unit 4 alarm level 3 active

Read Input Status (02)

10017

Sensor Unit 1 alarm level 4 active

Read Input Status (02)

10018

Sensor Unit 2 alarm level 4 active

Read Input Status (02)

10019

Sensor Unit 3 alarm level 4 active

Read Input Status (02)

10020

Sensor Unit 4 alarm level 4 active

Read Input Status (02)

10021

DOM fault condition

Содержание Ax60+ Multi-Gas

Страница 1: ...ourt Stokesley Business Park North Yorkshire TS9 5PT UK UK RoW T 44 0 1642 711400 F 44 0 1642 713900 US T 714 891 4478 W www analox net E info analox net Copyright 2015 Analox Ltd All Rights Reserved...

Страница 2: ......

Страница 3: ...29 6 1 CO2 sensor calibration proof test 29 6 2 CO2 sensor calibration adjustment 30 6 3 O2 sensor calibration proof test 33 6 4 O2 sensor calibration adjustment 33 7 Electrochemical sensor replacemen...

Страница 4: ...9 803 11 September 2019 Page 4 of 62 Copyright 2015 Analox Ltd All Rights Reserved Commercial in Confidence 16 Appendix E Data Output Module MODBUS detail 59 16 1 MODBUS communications protocol 59 16...

Страница 5: ...NT DAMAGE OR LOSS OF DATA NOTES ARE USED IN THIS MANUAL TO INDICATE SUPPLEMENTARY INFORMATION THAT IS NOT HAZARD RELATED 1 2 Safety information WARNING READ THE SAFETY INFORMATION IN THIS MANUAL BEFOR...

Страница 6: ...3 and triggers the Alarm strobe sounder once every second The fourth alarm level AL4 is disabled by default this is identified by the software as A4 or Alarm 4 If enabled the Alarm strobe and sounder...

Страница 7: ...SUPPLY BEFORE OPENING THE CO2 SENSOR ENCLOSURES To access the jumper link open the Sensor enclosure The printed circuit board PCB has a SENSOR LOCATION selector with one link factory installed in LOC...

Страница 8: ...self test POST which takes about 30 seconds The results are shown on the Central Display Operator input Software response Central Display text Optional text notes Switch on power supply to Ax60 Displa...

Страница 9: ...que serial number of the unit Wait for Sensors to warm up This screen may display for a few seconds to show Sensor warm up status It is for information only It requires no operator input CAUTION EACH...

Страница 10: ...which is equal to 0 045 NOTE THE SYSTEM STATUS SCREEN DISPLAYS UP TO FOUR SENSORS A SPARE SENSOR LOCATION DISPLAYS AS The bottom line displays the concentration of measured gas at the Sensor Press Cyc...

Страница 11: ...tember 2019 Page 11 of 62 Copyright 2015 Analox Ltd All Rights Reserved Commercial in Confidence 4 Menu options To display the Top level Menu options press and hold Cancel Cycle for at least 6 seconds...

Страница 12: ...w config OPTION PROVIDES READ ONLY INFORMATION THAT CAN NOT BE CHANGED IF YOU WANT TO SET UP OR CONFIGURE THE Ax60 USE THE Top level Menus Central Config OPTION 4 1 1 Show configuration Displayed as S...

Страница 13: ...s NOTE THE Show Sensor Config OPTION PROVIDES READ ONLY INFORMATION THAT CAN NOT BE CHANGED IF YOU WANT TO SET UP OR CONFIGURE THE Ax60 USE THE Top level Menu Sensor Config OPTION 1 To display the Top...

Страница 14: ...D IF YOU NEED TO SET UP OR CONFIGURE THE ALARM SETPOINTS USE THE Top level menu Sensor Config Alrm set pnts OPTION 1 To display the Top level Menu List Alrm pnts option press and hold down the Cancel...

Страница 15: ...R CONFIGURE THE ALARM SETPOINTS USE THE Top level menu Sensor Config Alrm set pnts OPTION 1 To display the Top level Menu List Alrm pnts option press and hold down the Cancel Cycle buttons for at leas...

Страница 16: ...NGED IF YOU NEED TO SET UP OR CONFIGURE THE ALARM SETPOINTS USE THE Top level menu Sensor Config Alrm set pnts OPTION 1 To display the Top level Menu List Alrm descs option press and hold down the Can...

Страница 17: ...CONFIGURE THE ALARM SETPOINTS USE THE Top level menu Sensor Config Alrm set pnts OPTION 1 To display the Top level Menu List Alrm descs option press and hold down the Cancel Cycle buttons for at leas...

Страница 18: ...WILL AUTOMATICALLY SWITCH OFF WHEN YOU EXIT THE MENU OR WHEN THE SOFTWARE TIMES OUT AFTER 60 SECONDS NOTE RELAYS ARE NOT TRIGGERED WHEN CARRYING OUT THE ALARM TEST FUNCTION 1 To display the Top level...

Страница 19: ...litre 3 0 carbon dioxide balance nitrogen CO2 High Check Contact Analox or source locally 0 5 litre minute regulator to fit 110 litre bottle 1817 5000 2 metre neoprene tubing 8000 0910A Push in flow...

Страница 20: ...de balance nitrogen CO2 Span Contact Analox or source locally 0 5 litre minute regulator to fit 110 litre bottle 1817 5000 2 metre neoprene tubing 8000 0910A Push in flow adaptor Recalibrating CO2 Sen...

Страница 21: ...THIS IS NORMAL DURING THE CALIBRATION PROCESS 11 Press Accept Test to confirm the zero calibration 12 If zero calibration is successful the Zero msg sent screen is displayed 13 Press Cancel repeatedly...

Страница 22: ...sensor screen press Cycle to select the Sensor you want to calibrate 5 Press Accept Test to show the Span Cal Value screen 6 Press Cycle repeatedly to enter the span calibration value you want in 0 01...

Страница 23: ...All Rights Reserved Commercial in Confidence NOTE IF THE CALIBRATION IS UNSUCCESSFUL A FAULT CODE MAY BE DISPLAYED REFER TO SECTION 11 FOR DETAILS NOTE THE VALUE SHOWN DURING A CALIBRATION IS THE RAW...

Страница 24: ...tor to fit 110 litre bottle 1817 5000 2 metre neoprene tubing 8000 0910A Push in flow adaptor Checking O2 Sensors is an easy task that does not require software input It is suitable for only the stand...

Страница 25: ...to checking but it also requires software input The recalibration procedure can only be performed on the standard Ax60 option Calibration adjustment is a two point process a zero calibration adjustmen...

Страница 26: ...Accept Test to confirm the zero calibration 12 If zero calibration is successful the Zero msg sent screen is displayed 13 Press Cancel repeatedly to return to system status screen NOTE IF THE CALIBRAT...

Страница 27: ...lect sensor screen press Cycle to select the Sensor you want to calibrate then press Accept Test 5 Press Cycle repeatedly to enter the span calibration value you want in 0 1 increments or press and ho...

Страница 28: ...All Rights Reserved Commercial in Confidence NOTE IF THE CALIBRATION IS UNSUCCESSFUL A FAULT CODE MAY BE DISPLAYED REFER TO SECTION 11 FOR DETAILS NOTE THE VALUE SHOWN DURING A CALIBRATION IS THE RAW...

Страница 29: ...itrogen high alarm check gas Contact Analox or source locally 0 5 litre minute regulator to fit 110 litre bottle 1817 5000 2 metre neoprene tubing 8000 0910A Push in flow adaptor Checking CO2 Sensors...

Страница 30: ...60 and the Ax60 Kiosk However before you adjust the Ax60 Kiosk you must temporarily fit the portable calibration unit part number AX60CNQNXA see section 10 for further details Calibration adjustment i...

Страница 31: ...essful the Zero msg sent screen is displayed 13 Press Cancel repeatedly to return to system status screen NOTE IF THE CALIBRATION IS UNSUCCESSFUL A FAULT CODE MAY BE DISPLAYED REFER TO SECTION 11 FOR...

Страница 32: ...Select sensor screen press Cycle to select the Sensor you want to calibrate 5 Press Accept Test to show the Span Cal Value screen 6 Press Cycle repeatedly to enter the span calibration value you want...

Страница 33: ...All Rights Reserved Commercial in Confidence NOTE IF THE CALIBRATION IS UNSUCCESSFUL A FAULT CODE MAY BE DISPLAYED REFER TO SECTION 11 FOR DETAILS NOTE THE VALUE SHOWN DURING A CALIBRATION IS THE RAW...

Страница 34: ...ial in Confidence 7 Electrochemical sensor replacement To replace an exhausted electrochemical sensor module a new sensor module Quick Connect or Hard Wired should be ordered contact Analox for furthe...

Страница 35: ...sor If there are two three or four sensors the software must be reconfigured This is done by using the Top level Menu Central Config Attached snsrs option 1 Press and hold Cancel Cycle for at least 6...

Страница 36: ...or Display Option Displayed as Snr Display Opt 1 Press and hold Cancel Cycle for at least 6 seconds Then press Cycle five times to display Central Config 2 Press Accept Test then press Cycle six times...

Страница 37: ...t Evacuation 1 Press and hold Cancel Cycle for at least 6 seconds Then press Cycle five times to display Central Config 2 Press Accept Test then press Cycle once to display the Set Evacuation screen 3...

Страница 38: ...19 5 and the alarm has been accepted and reset R2 will energise on alarm 3 23 0 or higher R2 will de energise when the gas level has dropped below 23 0 and the alarms have been accepted and reset On a...

Страница 39: ...uilding management systems or ventilation via an external mains relay NOTE R1 AND R2 PROVIDE VOLT FREE SWITCH CONTACTS NOT A POWER SUPPLY The connecting cables to Relays 1 and 2 can be installed eithe...

Страница 40: ...press Accept Test to display the Rly 1 fail safe screen 3 Press Cycle to toggle Y or N then press Accept Test to confirm 4 Press Cancel repeatedly to return to system status screen 8 4 4 Relay 2 fail...

Страница 41: ...imes press Accept Test to display the Rly 1 on fault screen 3 Press Cycle to toggle Y or N then press Accept Test to confirm 4 Press Cancel repeatedly to return to system status screen 8 4 6 Relay 2 o...

Страница 42: ...s to display Central Config 2 Press Accept Test then press Cycle seven times press Accept Test to display the Rly 1 on alarms option 3 Press Accept Test to display the Select sensor screen press Cycle...

Страница 43: ...s to display Central Config 2 Press Accept Test then press Cycle eight times press Accept Test to display the Rly 2 on alarms option 3 Press Accept Test to display the Select sensor screen press Cycle...

Страница 44: ...cel Cycle for at least 6 seconds Then press Cycle six times to display Sensor Config 2 Press Accept Test to display the Select sensor screen press Cycle to toggle to chosen sensor then press Accept Te...

Страница 45: ...cel Cycle for at least 6 seconds Then press Cycle six times to display Sensor Config 2 Press Cycle once to display the Enable Evac screen 3 Press Accept Test to display the Select sensor screen press...

Страница 46: ...play Sensor Config 2 Press Cycle twice to display the Alarm Direction screen 3 Press Accept Test to display the Select sensor screen press Cycle to toggle to chosen sensor then press Accept Test to di...

Страница 47: ...to display Sensor Config 2 Press Cycle three times to display the Enable Sounder screen 3 Press Accept Test to display the Select sensor screen press Cycle to toggle to chosen sensor then press Accep...

Страница 48: ...s to display Sensor Config 2 Press Cycle four times to display the Enable Strobe screen 3 Press Accept Test to display the Select sensor screen press Cycle to toggle to chosen sensor then press Accept...

Страница 49: ...least 6 seconds Then press Cycle six times to display Sensor Config 2 Press Cycle five times to display the Alarms Latching screen 3 Press Accept Test to display the Select sensor screen press Cycle t...

Страница 50: ...st 6 seconds Then press Cycle six times to display Sensor Config 2 Standard increments for alarm setpoints is factory set at 0 10 however by pressing and holding the Cycle button this increases the in...

Страница 51: ...Service Manual Int Approved Document ref P0159 803 11 September 2019 Page 51 of 62 Copyright 2015 Analox Ltd All Rights Reserved Commercial in Confidence 9 Press Cancel repeatedly to return to system...

Страница 52: ...onnect the AX60CNQNXA calibration unit to the Ax60 Kiosk Sensor follow this procedure WARNING DISCONNECT AND ISOLATE THE AX60 KIOSK FROM THE MAINS POWER SUPPLY BEFORE OPENING THE CO2 SENSOR ENCLOSURE...

Страница 53: ...be caused by accidental cable disconnection To clear a COMMS FAULT press Accept Test to silence the buzzer then reconnect the cable Other faults must be reported to Analox Sensor fault FLT02 FLT11 FLT...

Страница 54: ...able below shows the combination of LEDs which indicate a specific operating condition Status LED Fault LED Meaning Flashing Off Normal operation On Flashing Critical Fault see below Off Flashing Faul...

Страница 55: ...settings The following table shows the configurable items that can be changed in the Central Unit software menus Item Default setting Comment Global Evacuation mode Evacuate Each alarm has its own eva...

Страница 56: ...rm Alarm Two Sounder Enable Off Activates the sounder on alarm Alarm Two Evacuation Enabled Off Activates the strobe and sounder of connected sensors on alarm Alarm Two Latching Enable On Requires the...

Страница 57: ...rm Two Sounder Enable Off Activates the sounder on alarm Alarm Two Evacuation Enabled Off Activates the strobe and sounder of connected sensors on alarm Alarm Two Latching Enable Off Does not require...

Страница 58: ...rm Two Sounder Enable FALSE Activates the sounder on alarm Alarm Two Evacuation Enabled FALSE Activates the strobe and sounder of connected sensors on alarm Alarm Two Latching Enable TRUE Requires the...

Страница 59: ...Module MODBUS detail The tables below show port and register configurations for interfacing to the DOM via Modbus 16 1 MODBUS communications protocol The table below lists the port settings and commun...

Страница 60: ...on Read Input Status 02 10004 1 Sensor Unit 4 fault condition Read Input Status 02 10005 1 Sensor Unit 1 alarm level 1 active Read Input Status 02 10006 1 Sensor Unit 2 alarm level 1 active Read Input...

Страница 61: ...r Unit 2 measurement display units Read Input Register 04 30011 1 Sensor Unit 3 measurement display units Read Input Register 04 30012 1 Sensor Unit 4 measurement display units Read Input Register 04...

Страница 62: ...ltiple systems in the building and all of the data output modules are connected to the building management system then each of the data output module will require their node address changing so the bu...

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