Instruction Manual

Cryo-Compact Circulator
31
in commands: Asking for parameters or temperature values to be displayed.
Command Parameter Response of recirculating cooler
version none Number of software version (V X.xx)
status none Status message, error message (see page 31 )
in_pv_00 none Actual bath temperature.
in_pv_01 none Heating power being used (%).
in_pv_03 none Temperature value registered by the safety sensor.
in_pv_04 none Setpoint temperature of the excess temperature
protection
in_sp_00 none Working temperature
in_mode_05
none
Cryo-Compact Circulator in Stop/Start condition:
0 = Stop
1 = Start
10.4. Status messages
Status messages Description
00 MANUAL STOP
Cryo-compact circulator in „OFF“ state.
01 MANUAL START
Cryo-compact circulator in keypad control mode.
02 REMOTE STOP
Cryo-compact circulator in „r OFF“ state.
03 REMOTE START
Cryo-compact circulator in remote control mode.
10.5. Error messages
Error messages Description
-01 LOW LEVEL ALARM
Low liquid level alarm.
-05 WORKING SENSOR ALARM
Working temperature sensor short-circuited or
interrupted.
-06 SENSOR DIFFERENCE ALARM
Sensor difference alarm.
Working temperature and safety sensors report a
temperature difference of more than 35 K.
-07 I
2
C-BUS ERROR
Internal error when reading or writing the I
2
C bus.
-08 INVALID COMMAND
Invalid command.