Chapter 8 Communication Functions

Error bit

b7

b6

b5

b4

b3

b2

b1

b0

 

 

 

 

 

 

 

 

Operation mode of slave PLC

Reserved

Error status of slave PLC

1 : Error

 

b4

: STOP

 

 

0 : Normal

b5

: RUN

 

 

 

b6

: PAUSE

 

 

b7

: DEBUG

 

 

(4) Status flag of the master PLC

 

 

 

 

 

 

 

 

 

Status Information of master PLC is saved in D4448

 

 

 

 

 

 

 

 

b15

 

 

b3

b2

b1

b0

 

 

- - - - - - - - - - -

 

 

 

 

 

 

 

 

D4448

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

b1

: be set in case station is duplicated

 

 

 

b2

: be set in case device area over

(5)Max/min/current sending/receiving cycle of set parameter Contents: the interval between after sending and before receiving

 

Saved area (Channel 0)

Saved area(Channel 1)

 

 

 

Max.

D4449 – D4450

D4349 – D4350

Min.

D4451 – D4452

D4351 – D4352

Current

D4453 – D4454

D4353 – D4354

 

 

 

8-33

Page 223
Image 223
LG Electronics 120S user manual Normal, RUN Pause Debug