Xinje OP320 User Manual page 18

2. Direct connect to XC series PLC CPU (RS485 port)
9-pin D-type female port
(Diagram 2— fit for OP320-S, OP320-A-S, OP325-S, OP330-S)
3. Connect PLC via XC-COM-BD (RS232)
OP
9-pin D-type female port
4. Connect PLC via XC-COM-BD ( RS485)
9-pin d-type female port
(Diagram 4— fit for OP320-S, OP320-A-S, OP325-S, OP330-S)
OP
(Diagram 3— fit for OP all series)
OP
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Xinje XC series PLC CPU
RS485 terminal (PORT2)
XC-COM-BD
RS232 8-pin port
XC-COM-BD
RS485 8-pin port