Modbus Register Definitions - Honeywell SPM Flex User Manual

SPM Flex Gas Detector

Modbus register definitions

Register Address/Name
40001 System Status
40002 Lastest Active Fault Code
40003-40004 Reported Concentration
40005-40006 Actual Concentration
40007-40011 Gas Abbreviation
40012 Concentration Display Format
40013-40014 Gas Table LDL
40015-40016 LAL
40017-40018 TLV
40019-40020 Fullscale
40021 Unused
40022 Alarm Enable
40023-40024 Alarm 1 Setpoint
40025-40026 Alarm 2 Setpoint
40027-40028 User LDL
40029-40030 4-20 mA Fullscale
40031 Chemcassette Code
40032 Chemcassette Days Remaining
40033 Flow
40034 Battery Level
40039 Heartbeat Counter
24
Bits Description
0-2 Inhibit State
3 Instrument Fault
4 Maintenance Fault
5-6 Alarm State
7 Monitor State
8 Conc Over Fullscale
9-10 Concentration Trend
11 Alarm 1 Simulation
12 Alarm 2 Simulation
13 Instr. Fault Simulation
14 Maint. Fault Simulation
15 Unused
16 bit Integer
(0 = No fault)
32 bit Float
32 bit Float
9 byte string
including
terminator
0-1 Units
2-3 Decimal Places
4-15 Unused
32 bit Float
32 bit Float
32 bit Float
32 bit Float
0 Alarm 1 Enabled
1 Alarm 2 Enabled
2-15 Unused
32 bit Float
32 bit Float
32 bit Float
32 bit Float
16 bit Integer
16 bit Integer
16 bit Integer
16 bit Integer
16 bit Integer
(increments
once per
second)
Values
0: No Inhibit
1: Inhibit Alarm
2: Inhibit Fault
3: Inhibit Alarm & Fault
4: Inhibit All
1 = Active
1 = Active
0: No Alarm
1: Alarm 1
2: Alarm 2
0: Not Monitoring
1: Monitoring
1 = True
0: Stable
1:Rising
2: Falling
1 = Active
1 = Active
1 = Active
1 = Active
0: PPB
1: PPM
0, 1 or 2
1 = Enabled
1 = Enabled