
16
The pins definition of COM2:
Pin
Name
Description
1
TD+
RS422 send +
2
RXD
RS232 receive
3
TXD
RS232 send
4
A
RS485 + signal
5
GND
Signal ground
6
TD-
RS422 send -
7
B
RS485 -
8
RDD-
RS422 receive -
9
RDD+
RS422 r
The COM1 pins definition of TH765-NT3/NU3 series:
Pin
Name
Description
1
A
RS485 + signal
2
RXD
RS232 receive
3
TXD
RS232 send
4
A
RS485 + signal
5
GND
Signal ground
6
B
RS485 -
7
B
RS485 -
8
NC
Unused terminal
9
NC
Unused terminal
The communication interface of TH series HMI has powerful communication function.
Receive data
Send data
Inverter
PLC
TH Series HMI
COM port
Other devices
Содержание TG Series
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