ANALOX Ax60+ Multi-Gas, Руководство по обслуживанию

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Ax60+ Multi-Gas
Service Manual
Int. Approved
Document ref: P0159-803-11 September 2019 Page 54 of 62
Copyright © 2015 Analox Ltd. All Rights Reserved.
Commercial in Confidence
11.2 Data Output Module fault indication
The DOM indicates its internal operating condition in one of three ways:
1) By its Status and Fault LEDs (see below).
2) By setting all of the 4-20mA channels to indicate a fault condition.
3) By setting Modbus registers which can be read via the Modbus interface (See Appendix D for more
information).
11.2.1 Status and Fault LEDs
The table 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 Fault (see below)
On On Warm-up (30 seconds)
A Critical Fault is:
•
An error has occurred with the internal storage memory of the unit and needs replacing.
A Fault can be one of the following:
•
The unit is not receiving data from the Ax60+ system. Check the cabling.
•
The unit has not received valid data from the Ax60+ system. Check the cabling and / or
power cycle the system.
• If connected to a BMS, an invalid message has been received over the Modbus interface.
Check the cabling.
• An internal error has occurred with the unit and will it have to be replaced.