Bitzer CM-RC-01

v. 3.0
Reference guide
Compressor Control Module CM-RC-01
3.0
34 / 44
Modbus
type & addr
Name
Possible
values
Default
Description
IR 12027
Motor start is
requested
(Input.StartActive)
unit None
scale 1
uint8
-
Motor start is requested
(0=Off, 1=On)
IR 12028
Head cooling fan
(Output.HeadFan)
unit None
scale 1
uint8
-
Head cooling fan
(0=Off, 1=On)
IR 12029
Liquid injection cooling
valve
(Output.LiquidInject)
unit None
scale 1
uint8
-
Liquid injection cooling valve
(0=Off, 1=On)
IR 12030
Compressor start
unloading valve
(Output.Unloader)
unit None
scale 1
uint8
-
Compressor start unloading valve
(0=Off, 1=On)
IR 12031
Capacity control valve
CR-1
(Output.CapReg1)
unit None
scale 1
uint8
-
Capacity control valve CR-1
(0=Off, 1=On)
IR 12032
Capacity control valve
CR-2
(Output.CapReg2)
unit None
scale 1
uint8
-
Capacity control valve CR-2
(0=Off, 1=On)
IR 12033
Capacity control valve
CR-3
(Output.CapReg3)
unit None
scale 1
uint8
-
Capacity control valve CR-3
(0=Off, 1=On)
10.3.4 Status – motor
The group contains status information for the motor.
Modbus
type & addr
Name
Possible
values
Default
Description
IR 13001
Motor overheat
thermistor resistance
(PTC)
(Input.Thermistor)
unit Ohm
scale 1
uint16
-
Motor overheat thermistor resistance (PTC)
IR 13002
Estimated motor
power consumption
(Input.Power)
unit kW
scale 10
uint16
-
Estimated motor power consumption
IR 13003
Motor drive frequency
(speed)
(Input.PhaseFreq)
unit Hz
scale 10
uint16
-
Motor drive frequency (speed)
IR 13006
Motor start contactor
1
(Output.MotorStart1)
unit None
scale 1
uint8
-
Motor start contactor 1
(0=Off, 1=On)
IR 13007
Motor start contactor
2
(Output.MotorStart2)
unit None
scale 1
uint8
-
Motor start contactor 2
(0=Off, 1=On)