AERCO BMS II BOILER - Manual (Page 97)

APPENDIX H
H-5
APPENDIX H
(cont.)
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Table H-1. BMS II Standard Input Register Address Mapping-Cont.
Modbus Data
Address (Hex) Menu Item Units and Range Comments
0x0037 Boiler 31 Status
(Net Boiler 31) 119 = Not On-Line
120 = On-Line But Not Fired
1–40 = Fired & Sequence
121 = On-Line But Disabled
122 = On-Line But Faulted
0x0038 Boiler 32 Status
(Net Boiler 32)
Same As Above
0x0039 I/O Status 00 to 255 Bit map of Input/Output
Status:
Bit 0 = AUX Relay
Bit 1 = Fault Relay
Bit 2 = Sys Start Relay
Bit 3 = Empty
Bit 4 = Setback
Bt 5 = Interlock 2
Bit 6 = Interlock 1
Bit 7 = Empty
0x003A Return Sensor Temp 40°F to 220°F
0x003B
Thru
0xFFFF