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5 DATA LINK PROCESSING TIME
MELSEC-QnA
5.3.3 Master station local station
(1) Master station (RY) local station (RX)
[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
LS : Link scan time (See Section 5.2.)
SL : Scan time of the local station's sequence program
[Data flow]
Programmable controller CPU
(SM)
(SM)
Link scan (LS)
Master station buffer memory
(Remote output RY)
(Remote output RY)
Local station buffer memory
(Remote input RX)
(Remote input RX)
Programmable controller CPU
(SL)
(SL)
TO
TO
FROM
FROM