12 - 23
MELSEC-Q
12 CONTROL SUB FUNCTIONS
[Acceleration and deceleration as in a setting]
Positioning data
No.1
Positioning data
No.2
Positioning data
No.1
Positioning data
No.1
Positioning data
No.2
Positioning data
No.2
Speed
Speed
Speed
V2
V1
V1
V1
V2
V2
V2’
T
1
T
21
T
22
Time
Time
Time
Positioning execution time
when "At constant speed" is
selected
T
21
T
1
V2’: The speed in case a work moves the distance
in 0.9ms (QD75P N/QD75D N) or
1.8ms (QD75P /QD75D )
Positioning execution time
when "At deceleration" is
selected
T
22=
T
1
Distance l
Distance l
Distance l
[Actual acceleration and deceleration through the near pass function]
l
QD75P N/QD75D N: Less than 0.9ms
QD75P /QD75D : Less than 1.8ms
QD75P N/QD75D N: 0.9ms or more
QD75P /QD75D : 1.8ms or more
QD75P N/QD75D N: 0.9ms
QD75P /QD75D : 1.8ms
Fig. 12.13 Acceleration and deceleration depending on the output timing selection of near pass control