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1 OVERVIEW
MELSEC-QnA
(8) Reserved station function
By setting the station which is not actually connected (station planned for
connection in the future) as a reserved station, the station will not be handled as
a faulty station.
Master
station
Station No.1
Remote station
(occupies 2 stations)
Station No.3
Remote station
(occupies 1 station)
Local station
(occupies 4
stations)
Station planned for
connection in the future
Station No.8
Remote station
(occupies 1 station)
(Reserved station)
Station No.9
(Reserved station)
Station No.4
Remote station
(occupies 1 station)
(9) Error invalid station function
A station that cannot perform data links because the power is turned off, etc., can
be handled as other than a "data-link faulty station" on the master station and the
local station.
Be careful, however, for errors will not be detected.
Master
station
Station No.1
Remote station
(occupies 2 stations)
Station No.3
Remote station
(occupies 1 station)
Local station
(occupies 1
station)
Station No.4
Station No.5
Remote station
(occupies 2 stations)
Local station
(occupies 4
stations)
Station No.7
Master
station
Station No.1
Remote station
(occupies 2 stations)
Station No.3
Remote station
(occupies 1 station)
Local station
(occupies 1
station)
Station No.4
Station No.5
Remote station
(occupies 2 stations)
Local station
(occupies 4
stations)
Station No.7
Stations to be set as error invalid stations
Does not result as a data-link faulty
station.