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5 DATA LINK PROCESSING TIME
MELSEC-QnA
(3) Master station (RWw) local station (RWr)
[Expression]
SM + LS × 3 + SL [ms]
SM : Scan time of the master station's sequence program
LS : Link scan time (See Section 5.2.)
SL : Scan time of the local station's sequence program
[Data flow]
Programmable controller CPU
(SM)
Link scan (LS)
Master station buffer memory
(Remote register RWw)
Local station buffer memory
(Remote register RWr)
Programmable controller CPU
(SL)
FROM FROM
TO TO