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