CleaverBrooks CFC-500 Operation, Service And Parts Manual page 282

CB FALCON MODBUS COMMUNICATION
Table 4. CB Falcon Modbus register map
00A3 0163
00A4 0164
00A5 0165
00A8 0168
00A9 0169
00AA 0170
00AB 0171
00AC 0172
00AD 0173
00AE 0174
00AF 0175
00B0 0176
00B1 0177
00B2 0178
00B3 0179
Lead Lag master heat
demand
Lead Lag slave burner
demand
Lead Lag slave requested
rate
EXTENDED PUMP
STATUS
Pump C status
RESERVED
EXTENDED SENSOR
STATUS
Outdoor temperature
Outdoor sensor state
Outlet T-rise rate
Exchanger T-rise rate
S10 sensor reading
S10 sensor state
SYSTEM
CONFIGURATION
Product type
Password
Temperature units
Antishort cycle time
R U16 0=Off,
1=On
R U16 0=Off,
1=On
R U16
RPM or %
R U16 Bit map:
Demand:
15-14=Reserved,
13=Auxiliary 2 pump demand,
12=Auxiliary 1 pump demand,
11=System pump demand,
10=Boiler pump demand,
9=DHW pump demand,
8=CH pump demand
Reason:
7=Reserved,
6=Pump assigned to logical pump,
5=Pump exercise requested,
4=On due to exercise,
3=On due to overrun,
2=Forced off,
1=Forced on,
0=On due to normal demand
R U16
-40°-130° (0.1°C precision)
R U16 0=None, 1= Normal, 2=Open, 3=Shorted, 4=Outside
high range, 5=Outside low range, 6=Not reliable
R U16 Outlet temperature change rate (degrees/second, 0.1°C
precision)
R U16 Heat exchanger temperature change rate (degrees/
second, 0.1°C precision)
R U16
-40°-130° (0.1°C precision)
R U16
0=None, 1= Normal, 2=Open, 3=Shorted, 4=Outside
high range, 5=Outside low range, 6=Not reliable
R U16 Product family (MSB):
0=Unknown product,
1=Hydronic boiler control,
2=Steam boiler control,
3=Reserved,
4=Fulton pulse hydronic boiler control,
5=Fulton pulse steam boiler control,
6=Cleaver Brooks hydronic boiler control,
7=Cleaver Brooks steam boiler control
Product ID (LSB):
0=Residential control,
1=Commercial control
W Variable length password string (up to 20 characters)
requesting Falcon permission to write registers.
R/W U16 Display format for temperature at user interface:
0=°F (Fahrenheit),
1=°C (Celsius)
R/W U16 0-64800 seconds (18 hours), 0xFFFF=Not configured
12
c
b
a