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MELSEC-Q
3 SPECIFICATIONS
[Y transmission delay time (T
DY)] (END asynchronization)
[Remote master station scan time (Sm) > link scan time (LS)]
T
DY = (Sm + m) + LS 2 + TRIOR [ms]
Y
Remote station sets Y
to on near 0 step.
ON
TRI
OR
0: 0 step
E: END step
0E
Sm
m
0E
Sm
m
0E
Sm
m
0E
Sm
m
0E
Sm
m
0E
Sm
LS LS LS LS LS LS
Remote master station
Link scan time
Remote I/O station
T
DY
[Remote master station scan time (Sm) < link scan time (LS)]
T
DY = (Sm + m) + LS 2 + TRIOR [ms]
Y
Remote station sets Y
to on near 0 step.
ON
TRI
OR
0: 0 step
E: END step
0E
Sm
m
0E
Sm
m
0E
Sm
m
0E
Sm
m
0E
Sm
m
0E
Sm
LS LS LS
T
DY
Remote master station
Link scan time
Remote I/O station
Sm
m
LS
T
RIOR
: Remote master station scan time
: Remote master station link refresh time
: Link scan time
: I/O refresh time
POINT
When the "Block send/receive data assurance per station" box is checked, the
transmission delay time (T
DY) is calculated as follows:
• Remote master station scan time (Sm) > Link scan time (LS)
T
DY = (Sm + m) 2 + LS 2 + TRIOR [ms]
• Remote master station scan time (Sm) < Link scan time (LS)
T
DY = (Sm + m) + LS 3 + TRIOR [ms]