CleaverBrooks CFC-500 Operation, Service And Parts Manual page 278

CB FALCON MODBUS COMMUNICATION
Table 4. CB Falcon Modbus register map
0035 0053
0036 0054
0037 0055
0038 0056
0039 0057
003A 0058
003B 0059
003C 0060
003D-003F 0061-0063 RESERVED
0040 0064
0041 0065
0042 0066
0043 0067
0044 0068
0045 0069
0046 0070
0047 0071
0048 0072
0049 0073
004A 0074
004B-004F 0075-0079 RESERVED
4-20mA remote control
input(S2=J8-6) state
Pressure sensor (S1=J8-4)
state
Stack operation or Heat
exchanger sensor (S9=J9-6)
state
DEMAND AND
MODULATION STATUS
Active rate limiter
Limited rate
Active rate override
Override rate
Demand rate
CENTRAL HEATING (CH)
STATUS
CH status
CH setpoint source
CH heat demand
CH burner demand
CH requested rate
CH frost heat demand
CH frost burner demand
Active CH on hysteresis
Active CH off hysteresis
Active CH pressure on
hysteresis
Active CH pressure off
hysteresis
R U16 0=None, 1= Normal, 2=Open, 3=Shorted, 4=Outside
high range, 5=Outside low range, 6=Not reliable
R U16 0=None, 1= Normal, 2=Open, 3=Shorted, 4=Outside
high range, 5=Outside low range, 6=Not reliable
R U16
0=None, 1= Normal, 2=Open, 3=Shorted, 4=Outside
high range, 5=Outside low range, 6=Not reliable
R U16 0=None,
1=Outlet high limit,
2=Delta T limit,
3=Stack limit,
4=Slow start limit,
5=Anti-condensation,
6=Minimum modulation,
7=Forced rate,
8= IAS is open
R U16
c
RPM or %
R U16 0=None,
1=Burner control default,
2=Burner control,
3=Manual firing rate,
4=Manual firing rate off,
5=Fan on during off cycle
R U16
c
RPM or %
R U16
c
RPM or %
R U16 0=Unknown,
1=Disabled,
2=Normal,
3=Suspended
R U16 0=Unknown,
1=Normal setpoint,
2=TOD setpoint,
3=Outdoor reset,
4=Remote control
R U16 0=Off,
1=On
R U16 0=Off,
1=On
R U16
c
RPM or %
R U16 0=Off,
1=On
R U16 0=Off,
1=On
R U16
0°-130° (0.1°C precision)
R U16
0°-130° (0.1°C precision)
R U16 0-150psi (0.1psi precision)
R U16 0-150psi (0.1psi precision)
8
a
a