CleaverBrooks CFC Operation, Service & Parts Manual page 417

Table 4. CB Falcon Modbus register map
0003 0003
0004 0004
0005 0005
0006 0006
0007 0007
0008 0008
0009 0009
000A 0010
000B 0011
000C 0012
000D 0013
000E 0014
Annunciation I/O
Limits
Plug-In Module (PIM)
status
TREND STATUS
Demand source
Outlet (S3S4) or Outlet limit
(S3) sensor
Firing rate
Fan speed
Flame signal
Inlet (S1) sensor
DHW (S6S7) or DHW limit
(S6) sensor
S5 sensor
Stack (S8S9) or Stack limit
(S8) sensor
R U16 Only applicable when Annunciation is enabled
Bit map:
15-8=Reserved (always 0)
7=Annunciator 8/LFS
6=Annunciator 7/HFS
5=Annunciator 6
4=Annunciator 5
3=Annunciator 4
2=Annunciator 3
1=Annunciator 2
0=Annunciator 1/IAS
R U16 Bitmap:
15-12=Reserved (always 0)
11=Heat exchanger high limit
10=Exchanger T-rise limit
9=Outlet T-rise limit
8=Inversion inlet/exchanger limit
7=Inversion exchanger/outlet limit
6=Inversion inlet/outlet limit
5=Delta T inlet/exchanger limit
4=Delta T exchanger/outlet limit
3=Delta T inlet/outlet limit
2=Stack limit
1=DHW high limit
0=Outlet high limit
R U16 Bit map:
15-11=Reserved,
10=OEM alert PCB stored in PIM,
9=OEM range PCB stored in PIM,
8=OEM parameter PCB stored in PIM,
7-3=Reserved (always 0),
2=Valid copyright,
1=Lead/Lag enabled,
0= PIM installed
R U16 Current demand source:
0=Unknown,
1=No source demand,
2=CH,
3=DHW,
4=Lead Lag slave,
5=Lead Lag master,
6=CH frost protection,
7=DHW frost protection,
8=No demand due to burner switch (register 199) turned
off,
9=DHW storage,
10=Reserved,
11=Warm weather shutdown
R U16
-40°-130° (0.1°C precision)
R U16
Actual firing rate (%
R U16 RPM
R U16 0.01V or 0.01A precision (0.00-50.00V)
R U16
-40°-130° (0.1°C precision)
R U16
-40°-130° (0.1°C precision)
R U16
-40°-130° (0.1°C precision)
R U16
-40°-130° (0.1°C precision)
5
CB FALCON MODBUS COMMUNICATION
a
b c
or RPM ).
a
a
a
a