Xinje TH765-M - COM2 Port

TH series Touchscreen User Manual Page 22 of 81 MANUL018R2V1
COM2 port has below functions:
1. Communicate with industry devices, such as PLC, inverter, meters…
COM2 port pins definition
2. Communicate with PLC
TH can communicates with most mainstream PLC.
Select the correct PLC type in the list and set the communication parameters:
4-4 COM2 port
Pins
Name
Meaning
1
TD+
RS422 send +
2
RXD
RS232 receive
3
TXD
RS232 send
4
A
RS485 +
5
GND
Signal ground
6
TD-
RS422 send -
7
B
RS485 -
8
RDD-
RS422 receive -
9
RDD+
RS422 receive +
12345
6789
Data transfer
Omron PLC…
COM2
TH series
Panasonic
PLC
SIEMENS PLC