32
MODBUS MESSAGE TABLE / MAP
Static and User command data
Holding
Register
Message
Address
Word
Requested
Response Value
40001 00 1 Burner ON/OFF Enable or disable burner operation:
0x00 = Burner OFF
0x01 = Burner ON
40002 01 1 Lockout Reset Reset command:
0x00: Reset from lockout
0x01: Move to lockout
40003 02 1 Modbus Address Upper 16 bits of the 32 bit System
Operational Minute Counter
40004 03 1 Modbus Baud-rate Lower 16 bits of the 32 bit System
Operational Minute Counter
40005 04 1 Modbus Parity Data parity:
0x00: 8/E/1
[1-start, 8-data, Even parity, 1-stop]
0x01: 8/N/2 [1-start, 8-data, No parity, 2-stop]
0x02: 8/O/1 [1-start, 8-data, Odd parity, 1-stop]
0x03: 8/N/1 [1-start, 8-data, No parity, 1-stop]
40006 05 1 Product ID Product identification ID
40007 06 1 Hardware ID Product amplifier ID
40008 07 1 Reserved
40009 08 1 Firmware Revision Firmware revision
Read-only data
40201 200 1 Burner State Burner sequence states: 0 thru 38
40202 201 1 Actuator position Position of actuator:
0x00: unknown position
0x01: Open position (High Fire)
0x02: Minimum position (Low Fire)
0x03: Economy position (Closed)
0x04: Auto position (release to
Modulation)
40203 202 1 Ignition Ignition terminal drive state:
0x00: OFF
0x01: ON
40204 203 1 Pilot Pilot terminal drive state:
0x00: OFF
0x01: ON
40205 204 1 Main fuel valve 1 (MV1) Upstream shutoff valve terminal drive
state:
0x00: OFF
0x01: ON
40206 205 1 Main fuel valve 2 (MV2) Downstream shutoff valve terminal drive
state:
0x00: OFF
0x01: ON