Model
7.8APPENDIX H: MODBUS MEMORY MAP
Read Register Table
Register | Description |
40001 | Concentration |
40002 | Temperature |
40003 | High Alarm Relay |
40004 | Low Alarm Relay |
40005 | Low Alarm Value |
40006 | High Alarm Value |
40007 | Reserved |
40008 | Reserved |
40009 | Reserved |
40010 | Reserved |
40011 | Trouble Bits |
40012 | Trouble |
40013 | High Alarm Immediate |
40014 | Low Alarm Immediate |
40015 | Random ID |
40016 | Restart Count |
40017 | Run time – high |
40018 | Run time – low |
40019 | Max. gas value |
40020 | Model |
40021 | Range |
40022 | Units |
40023 | Temperature Units |
40024 | Gas Scale |
40025 | Temperature Scale |
Comments
Gas Concentration multiplied by 100
Temperature in degrees Celsius scalled by a factor of 100
Boolean indicating the High Alarm Status, 0 No Alarm, 1 High Alarm Boolean indicating the Low Alarm Status, 0 No Alarm, 1 Low Alarm Low alarm set point, used for activating Alarms
High alarm set point, used for activating High Alarms
0 for no trouble
1 for any trouble, 0 for no trouble Like 40003. but never latched Like 40004, but never latched
Randomly generated permanent ID of sensor
In minutes In minutes *scale ((see 40024) 51002
*scale (see 40024) 1 is %LEL
0 is C, 1 is F Value like 1 or 100 Value like 1 or 100
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