Remote control – JULABO FC600-T Recirculating cooler User Manual
Page 37

Recirculating coolers
37
9. Remote
control
9.1.
Communication with a PC or data system
ACTUAL
SET
For remote control, under the menu item OP (Operating
mode) set the parameter to 1.
The message "rOFF" appears on the display.
In general, the computer (master) sends commands to the
recirculating cooler (slave). The recirculating cooler sends
data (including error messages) only when the computer
asks for it.
A transfer sequence consists of:
command
space
(
; Hex: 20)
parameter (the character separating
decimals in a group is the period)
end of file (
; Hex: 0D)
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 setpoint to 5.5 °C:
out_sp_00
5.5
Command to ask for the setpoint:
in_sp_00
Response from the recirculating cooler:
5.5
9.2.
List of commands
Command
Parameter
Response of recirculating cooler
version
no
Number of software version
status
no
Status message (see below)
out_mode_04
out_mode_04
in_mode_04
0
1
no
Set control mode via PC
Set control mode via programmer input (O)
Ask for actual control mode
out_mode_05
out_mode_05
in_mode_05
0
1
no
Stop the recirculating cooler = rOFF
Start the recirculating cooler
Ask for actual condition (Start/Stop)
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