CleaverBrooks CFC-500 - Page 301

CB FALCON MODBUS COMMUNICATION
31
Byte
Offset Parameter
Read/
Write
Format Note
0-1 Location R/W U16 0=Unused,
1=PII,
2=LCI,
3=ILK,
4=Other
2-4 Annunciator short name R/W U8
5 Unused -- U8
6-25 Annunciator name R/W U8
Each lockout history record has the format described in Table 5.
Table 5. CB Falcon lockout history record
Byte Offset Parameter Read/Write Format Note
0-1 Lockout code R U16 See register 34 (decimal).
2-3 Annunciator first out R U16 See register 36 (decimal).
4-5 Burner control state R U16 See register 33 (decimal).
6-7 Sequence time R U16 See register 37 (decimal).
8-11 Cycle R U32 See registers 128-129 (decimal).
12-15 Hours R U32 See registers 130-131 (decimal).
16-17 I/O R U16 See register 2 (decimal).
18-19 Annunciator R U16 See register 3 (decimal).
20-21 Outlet temperature R U16 See register 7 (decimal).
22-23
Inlet temperature/Steam
pressure
R U16
See register 11 or 20 (decimal). Data type is
dependent on Product type (register 176).
24-25 DHW temperature R U16 See register 12 (decimal).
26-27 Outdoor temperature R U16 See register 13 (decimal).
28-29 Stack temperature R U16 See register 14 (decimal).
30-31 4-20mA input R U16 See register 15 (decimal).
32-33 Fault data R U8 Fault dependent data (U8 x 2).
Each annunciator configuration record has the format
described Table 6.
Table 6. Annunciator configuration
PII, LCI, and ILK terminals are named with configuration
records that have a format described in Table 7.
Table 7. PII, LCI, ILK terminal configuration
Byte
Offset Parameter
Read/
Write
Format Note
0-2 Interlock short name R/W U8
3 Unused -- U8
4-23 Interlock name R/W U8
The Falcon lockout and hold codes are listed in Table 8.