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Electrical connectors
6.3
Serial port
The serial port is used to communicate with a PLC or with another type of device.
It can be used as RS232-, RS422- or RS485-interface and is configurable via CODESYS.
In CODSYS, the serial port on the TX500 is referred to as COM1.
Pin
RS232
RS485
RS422
1
GND
GND
GND
2
n.c.
n.c.
n.c.
3
TxD
A
Tx -
4
RxD
Rx -
5
n.c.
n.c.
n.c.
6
+5 VDC output
+5 VDC output
+5 VDC output
7
CTS
B
Rx +
8
RTS
Tx +
9
n.c.
n.c.
n.c.
NOTE
In case of using the interface as RS485-interface, pin 3 and 4 as well as pin 7 and 8 have
to be bridged externally.
The communication cable must be chosen for the type of device being connected.
6.4
Ethernet ports
The Ethernet ports have two status indicators. Please see description in figure.