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:
module
K80
K120
Cnet
RS232
Diagram
1
LG Master-K80/120S multi-function
port (Cnet)
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
settings
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