Cb Falcon Modbus Register Map - CleaverBrooks CFC Operation, Service & Parts Manual

Condensing boiler
Table of Contents

Advertisement

CB FALCON MODBUS COMMUNICATION
Table 4. CB Falcon Modbus register map
Address
Register
(hex)
(dec)
0000
0000
0001
0001
0002
0002
Parameter
SYSTEM STATUS
Status Change
Configuration Change
Digital I/O
Read/
Write Format
R
U16
Register is cleared (all bits zeroed) after read. Identifies
register groups that have new status in them.
Bit map:
15-11=Reserved (always 1)
10=Alert log
9=Lockout history
8=Lead Lag status
7=Statistics
6=Pump status
5=DHW status
4=CH status
3=Demand&Modulation status
2=Sensor status
1=Burner control status
0=Active Lockout
R
U16
Register is cleared (all bits zeroed) after read. Identifies
register groups that have new data in them.
Bit map:
15=PCB configuration
14=PIM configuration
13=Reserved
12=Lead Lag configuration
11=Frost protection configuration
10=Outdoor reset configuration
9=Anti-condensation configuration
8=Limits configuration
7=DHW configuration
6=Annunciation configuration
5=Pump configuration
4=Fan configuration
3=Burner control configuration
2=CH configuration
1=Modulation configuration
0=System configuration
RR
U16
Bit map:
15=Safety relay
14=Time of Day
13=STAT (Demand)
12=High Fire Switch (HFS)
11=Low Fire Switch (LFS)
10=Load Control Input(LCI)
9=Pre-ignition interlock (PII)
8=Interlock (ILK)
7=Alarm
6=Main valve
5=Pilot valve
4=External ignition
3=Blower motor/HSI
2=Pump C
1=Pump B
0=Pump A
4
Note

Advertisement

Table of Contents
loading

Table of Contents