JULABO CF40 Cryo-Compact Circulators - Manual (Page 30)

Remote control
30
Important times for a command transmission:

To ensure a safe data transfer, the time gap between two commands
should be at least 250 ms.
The Cryo-Compact Circulator automatically responds to an in
command with a data string followed by a LF (Line Feed). The next
command should only be sent after 10 ms.
The commands are divided into in or out commands.
in commands: asking for parameters to be displayed
out commands: setting
parameters

The out commands are valid only in remote control mode.
Examples:
Command to set the working temperature to15,5 °C:
out_sp_00
 15.5
Command to ask for the working temperature
in_sp_00

Response from the recirculating cooler:
15.5
 LF
10.3. List of commands
out commands: Setting parameters or temperature values.
Command Parameter Response of recirculating cooler
out_mode_05 0 Stop the unit = R –OFF-.
out_mode_05 1 Start the unit.
out_sp_00 xxx.xx Set working temperature