5 - 14
5 DATA LINK PROCESSING TIME
MELSEC-QnA
(4) Master station (RWr) local station (RWw)
[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
(SL)
Link scan (LS)
Programmable controller CPU
(SM)
Master station buffer memory
(Remote register RWr)
Local station buffer memory
(Remote register RWw)
FROM FROM
TO TO