Specifications

Halogen Gas Monitor – MultiZone Remote Display
Instruction 3015-5157
3
Responding to Alarms............................................................................................................................ 34
Alarm Detail Screen ............................................................................................................................... 35
Acknowledging Alarms........................................................................................................................... 36
The Trend Screen...................................................................................................................................... 37
Overview - Log Interval .......................................................................................................................... 37
System Faults ............................................................................................................................................ 38
Functional Overview............................................................................................................................... 38
CRITICAL FAULTS ................................................................................................................................ 38
NON CRITICAL FAULTS ....................................................................................................................... 39
Reset to Factory Default Settings .......................................................................................................... 39
Clearing System Faults .......................................................................................................................... 40
Viewing Fault Log................................................................................................................................... 40
The Calibration Screen ..............................................................................................................................41
Overview ................................................................................................................................................ 41
Adjusting Calibration Factor ................................................................................................................... 41
Calibration Procedure on Main Monitor.................................................................................................. 42
Programming New Gasses .................................................................................................................... 42
Overview ................................................................................................................................................ 43
Diagnostic Screen Overview .................................................................................................................. 44
Service Mode............................................................................................................................................. 45
5 Maintenance.............................................................................................................................46
Servicing Air Lines & Termination Filters................................................................................................... 46
Appendix ......................................................................................................................................47
Logic Diagram............................................................................................................................................ 47
Recommended Alarm Settings.................................................................................................................. 48
RS-485 Communication Protocol .............................................................................................................. 49
Overview ................................................................................................................................................ 49
MODBUS RTU Protocol......................................................................................................................... 49
HGM-MZ MODBUS RTU Operation.......................................................................................................... 50
Overview ................................................................................................................................................ 50
Protocol Details ...................................................................................................................................... 50
Notes on HGM-MZ Polling ..................................................................................................................... 50
Notes on Network Topologies................................................................................................................ 50
Key Comm Protocol Parameters............................................................................................................ 51
Summary of Registers ............................................................................................................................... 52
Status Register...............................................................................................................54
Zone Data .....................................................................................................................55
Cal Data Register............................................................................................................57
Date Time Register .........................................................................................................57
Sensor Data Register.......................................................................................................58
Release Zone Hold Register..............................................................................................59
Hold Zone Register ....................................................................................................... 59
HGM-300 Hold Mode ............................................................................................................................ 59
Fault Log Register......................................................................................................... 60
Alarm Log Register..........................................................................................................60
Service Mode Register.....................................................................................................61