Chapter 8 Communication Functions

10)Map of wiring

 

 

MASTER-

Quantum (9PIN)

 

 

K120S

 

 

main unit

Connecting no. and direction

 

 

 

Pin no.

Pin no.

Signal

 

 

1

1

CD

5

9

2

2

RXD

4

8

 

 

 

3

3

3

TXD

7

2

 

 

 

6

4

4

DTR

1

 

5

5

SG

 

 

 

 

6

6

DSR

 

 

7

7

RTS

Male Type

 

8

8

CTS

 

 

9

9

 

Use RS-485 connector when using channel 2.

 

 

8.3.3 Parameters Setting

1)Setting communication parameter

(1)Open a new project file at KGLWIN.

K120S should be selected in PLC types.

Open a new project file for each of the master and the slave.

(2)Select a communication parameter at KGLWIN and double click to open the following window.

If communication mode is ASCII, Be sure to set 7bit

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LG Electronics 120S user manual Parameters Setting, Map of wiring, Setting communication parameter