Automatic Heating BCM Manual de Instruções - Página 10

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Appendix B
B-2.
BCM CONTROLLER STANDARD HOLDING REGISTER ASSIGNMENTS
B-2.1 BCM Controller Standard Input Register Assignments
The BCM Controller has only two Read Only Input Register addresses as shown in Table B-3.
Table B-3. BCM Controller Standard Input Register Address Mapping
Modbus Data
Menu Item
Address
0
Status & Error Code
1
Unit Status
B-2.2 BCM CONTROLLER STANDARD HOLDING REGISTER ASSIGNMENTS
The BCM Controller Holding Registers contain functions that are Read Only, Write Only or both Read & Write. The
address assignments for these functions are listed in T able B-4 and are grouped into the following major categories:
Control Registers, Operating Data Registers, System Data Settings and T est Registers. Functions within each group
are not necessarily in hex address order.
The Read Only, Write Only or Read/Write status for each function in T able B-4 is shown in the Default/Comments
column.
10
enum (2,8,10,18,23,32,42,38)
2 = Standby
8 = High temperature switch open
10 =Low gas pressure switch open
18 =Air flow switch open during ignition
23 =Flame loss during run
32 =Residual flame
42 =Outlet temperature sensor fault
38 = Other conditions not listed above
enum (1, 3, 5)
1 = Standby (ready to run but not fired)
3 = Remote (fired)
5 = Fault (failure detected)
Menu Item