Chapter 8 Communication Functions
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• Error bit
b7 b6 b5 b4 b3 b2 b1 b0
(4) Status flag of the master PLC
Status Information of master PLC is saved in D4448
b15 b3 b2 b1 b0
- - - - - - - - - - -
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
Error status of slave PLC
1 : Error
0 : Normal
Reserved
Operation mode of slave PLC
b4 : STOP
b5 : RUN
b6 : PAUSE
b7 : DEBUG
D4448