Connecting The Rs485 Modbus Communication Output (Option) - Datcon DT4240 Series Operating Instructions Manual

DT4240 xx xx xx xx
Wiring plan, connecting
the RS485 output
(see also "Application
example")
Be careful the polarity of
the cables.
20230503-V0
5.7. Connecting the RS485 Modbus communication
output (option).
The following figure shows the wiring plan, connecting the
RS485 Modbus communication output
(DT4240 xx xx RS4 xx):
The RS-485 Modbus communication output should be used
for long distance communication. 32 instrument can be
connected to the PLC or to the computer.
You can find useful information about the Modbus
communication at www.modbus.org.
1. Loosen terminal screws.
2. Insert the wire ends into the open terminals according to
the wiring plan.
3. Screw the terminal in.
4. Check the hold of the wires in terminals by pulling on
them firmly.
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