Xinje OP320-A - 3-9．LG Master-K (Cnet) Series PLC (Multi-Function Port); 3-9-1．Connection Unit; 3-9-2．Communication Parameters

31
（fit for : OP all series）
2. LG Modbus Rtu RS485:
OP Controller
9-pin D-type female port RS485 terminal
（fit for : OP320-A-S, OP320-S, OP330-S, OP325-S）
3-9．LG Master-K (Cnet) series PLC (multi-function port)
3-9-1．Connection unit
Expansion Cnet module:
Series
Connected
module
Port
Cable
Choose PLC type in OP20
K80
K120
Cnet
RS232
Diagram
1
LG Master-K80/120S multi-function
port (Cnet)
RS485
Diagram
2
Note:
（1）For LG Master K-cnet, please turn ON switch 2 and turn off switch 1. (It is no need to
change the switch of LG Master KxxxS)
（2）LG Master KxxxS programming port cannot support RS485. Cnet can support RS485.
3-9-2．Communication parameters
LGMaster-K80/120（Cnet）PLC OP software settings
Parameters
Recommend
settings
Choices of settings
Notes
PLC type
LG Master
-
K80/120
Multi-function port
（Cnet）
Choose the correct PLC type in
OP20
Port RS232 RS232
Data bit 8 7/8 Accord with PLC port parameters
Stop bit 1 1/2 Accord with PLC port parameters
Parity No parity Even /odd/no parity Accord with PLC port parameters
Baud rate 19200 4800/38400/9600/1152
00
/19200/187500
Accord with PLC port parameters
Station no.
1
0~255