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4 FUNCTIONS
MELSEC-QnA
4.12.2 Slave station cut-off function
This function allows data link to continue with the normal remote and local stations by
cutting off the remote and local stations which cannot perform data links due to power
off, etc.
Remote station
Local station Local station
Terminating resistor
Down
Remote station
Continue data link by eliminating the down station
Terminating resistor
Master
station
POINT
When the cable is disconnected, the data link cannot be performed because the terminating
resistor is missing.
Master
station
Remote station
Local station Local station
Terminating resistor Terminating resistor
Remote station
Wire breakage