Datcon DT4120 Series, Руководство по эксплуатации

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DT4120 xx xx (PS)
18
20170324-V0
5.6. Connecting the RS232 Modbus communication
output (option).
The following figure shows the wiring plan, connecting the
RS232 Modbus communication output
(DT4120 xx xx RS2 xx):
Wiring plan, connecting
the RS232 output
(see also “Application
example”)
Be careful the polarity of
the cables.
The RS-232 Modbus communication output should be used
for short distance communication. The maximum distance is
< 10-15 m, it depends on the communication speed.
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.