CleaverBrooks CFC-500 Operation, Service And Parts Manual page 295

Table 4. CB Falcon Modbus register map
0242 0578
0243 0579
0244 0580
0245 0581
0246 0582
0247 0583
0248 0584
0249 0585
024A 0586
024B-024F 0587-0591 RESERVED
0250 0592
0251 0593
0252 0594
0253 0595
0254 0596
0255-025F 0597-0607 RESERVED
0260 0608
CH setpoint source
CH Modbus setpoint
CH modulation rate source
CH Modbus rate
CH priority vs. Lead Lag
CH 4mA water temperature R/W
CH 20mA water
temperature
CH 4mA steam pressure
CH 20mA steam pressure
EXTENDED LIMITS
CONFIGURATION
Heat exchanger high limit
enable
Heat exchanger high limit
setpoint
Heat exchanger high limit
response
Heat exchanger high limit
delay
Heat exchanger retry limit
CONNECTOR
CONFIGURATION
S1 (J8-4) connector type
(Inlet sensor)
R/W U16 Source for CH setpoint:
0=Local setpoint
(registers 211, 212, etc.),
1=Modbus setpoint
(register 579),
2=4-20mA remote control
(register 15)
R/W U16
-40°-130° (0.1°C precision)
R/W U16 0=Local modulation (sensor),
1=Modbus binary fraction
2=Modbus modulation step
3=4-20mA modulation
(register 15)
R/W U16
Commanded CH modulation rate
Modbus
(see register 580).
R/W U16 0= Lead Lag > CH,
1=CH > Lead Lag
U16 Temperature corresponding to 4mA signal input:
-40°-130° (0.1°C precision)
R/W U16 Temperature corresponding to 4mA signal input:
-40°-130° (0.1°C precision)
R/W U16 Pressure corresponding to 4mA signal input:
0-150psi (0.1psi precision)
R/W U16 Pressure corresponding to 4mA signal input:
0-150psi (0.1psi precision)
R/W U16 0=Disable Heat exchanger high limit,
1= Enable Heat exchanger high limit
R/W U16
-40°-130° (0.1°C precision)
R/W U16 0=Lockout,
1=Recycle&delay,
2=Recycle&delay with retry limit
R/W U16 0-64800 seconds (18 hours), 0xFFFF=Not configured
R/W U16 Maximum number of recycles due to Heat exchanger
high limit.
R/W U16
SAFETY parameter
0=Unconfigured,
1=Raw A2D counts,
2=10K NTC dual temperature,
3=10K NTC single temperature,
4=12K NTC single temperature,
5=0-15 psi pressure,
6 =0-150 psi pressure,
7=4-20 mA
25
CB FALCON MODBUS COMMUNICATION
a
i
,
h
h
when source is
a
a
a
f
: