Xinje OP330 - 1-6．Port and Download Connection; 1-6-1．Port; 1-6-2．Download Connection

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1-6．Port and download connection
1-6-1．Port
OP series has a DB9 port. It can download program and communicate with other devices.
OP320, OP320-A,
OP325-A, OP330
OP320-A-N
OP320-S, OP320-A-S,
OP325-A-S, OP330-S
Pin Name
1 TD+
2 RXD
3 TXD
4
5
GND
6
TD
-
7
8 RD-
9 RD+
Pin Name
2 RXD
3 TXD
4
5
GND
6
7
8
9
Pin Name
1 TD+
2 RXD
3 TXD
4
5
GND
6
TD
-
7
8 B
9 A
1-6-2．Download connection
Please use OP cable to connect OP 9-pin port and PC serial port. The cable can be also used to
connect OP and PLC.
OP and PC connection diagram:
OP (9-pin port) PC (9-pin port)
RXD
TXD
GND
5
7
3
2
RXD
TXD
GND
CTS
5
7
3
2