JULABO LC 6 Programmable Controller User Manual
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11.2. Communication with a PC or a superordinated data system
Suitable terminal programs for communicating with a PC are:
MS-Windows
- TERMINAL.EXE (included with MS-Windows).
.
If the programmable controller is put into remote control mode
via the configuration level, the display will read
"r OFF" = REMOTE STOP.
The programmable controller is now operated via the
computer.
In general, the computer (master) sends commands to the
programmable controller (slave). The programmable controller
sends data (including error messages) only when the computer
sends a query.
A transfer sequence consists of:
address (RS485 interface only)
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.
When the RS485 interface is used, the three-digit instrument
address stands in front of each command.
(example: address Ad32 = A0 3 2 )
Examples:
Command to set the working temperature T1 to 55.5 °C
out_sp_00
55.5
A032_out_sp_00
55.5
Command to ask for the working temperature T1:
in_sp_00
A032_in_sp_00
Response from the programmable controller:
55.5
A032_55.5