Installation
WTX110 A4774-1.0 HBM: public 33
The connection is via terminal KL2 serial 1-5.
KL2: Serial interfaces RS485, RS232 in slot SIM1
Connection RS232 RS485 4 wires
1 TxD Tx A (Tx+)
2 RTS Tx B (Tx‒)
3 RxD Rx A (Rx+)
4 CTS Rx B (Rx‒)
5 Gnd -
Transfer lines connecting the serial ports must be installed so that inductive
and capacitive interference from other lines, machines or electrical devices is
ruled out. Interference on data transfer could result in delays or in the program
stopping.
To ensure optimal interference suppression of all injected frequencies, the
shield should be applied on both sides.
In the event of fluctuations in ground potential, a compensating current may
flow via the double-side shield. In this case an additional equipotential bonding
line must be laid.
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