13 - 10
13.2 Connection Cable
13.2.2 RS-422 cable
3 Precautions when preparing a cable
The length of the RS-422 cable must be 200m or less.
4 Connecting terminating resistors
When connecting an intelligent serial port module to a GOT, a terminating resistor has to be connected
to the intelligent serial port module.
The terminating resistor is unnecessary on the GOT side because one is built in the GOT.
User's Manual for the HITACHI PLC
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