CleaverBrooks CFC-500 - Page 275

CB FALCON MODBUS COMMUNICATION
5
Table 4. CB Falcon Modbus register map
0003 0003 Annunciation I/O 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
0004 0004 Limits 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
0005 0005 Plug-In Module (PIM)
status
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
TREND STATUS
0006 0006 Demand source 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
0007 0007 Outlet (S3S4) or Outlet limit
(S3) sensor
R U16
-40°-130° (0.1°C precision)
a
0008 0008 Firing rate R U16
Actual firing rate (%
b
or RPM
c
).
0009 0009 Fan speed R U16 RPM
000A 0010 Flame signal R U16 0.01V or 0.01A precision (0.00-50.00V)
000B 0011 Inlet (S1) sensor R U16
-40°-130° (0.1°C precision)
a
000C 0012 DHW (S6S7) or DHW limit
(S6) sensor
R U16
-40°-130° (0.1°C precision)
a
000D 0013 S5 sensor R U16
-40°-130° (0.1°C precision)
a
000E 0014 Stack (S8S9) or Stack limit
(S8) sensor
R U16
-40°-130° (0.1°C precision)
a