Mitsubishi QD75P1N - Page 522

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MELSEC-Q
12 CONTROL SUB FUNCTIONS
[2] Control precautions
When command speed V1 and V2 are in the condition 1) or 2) below, the
command output is that of "At constant speed" even though "At deceleration" was
selected.
1) When "V1
V2"
2) When "(Speed value converted from distance
)
*1
V2 < V1"
1: The height of the grey area in the graph on the bottom right
1) When "V1 V2"
Speed
Speed
Speed
Speed
V2
V2
V1V1
V1
V1
V2
V2
Time
Time
Time
Time
Positioning data
No.1
Positioning data
No.1
Positioning data
No.1
Positioning data
No.1
Positioning data
No.2
Positioning data
No.2
Positioning data
No.2
Positioning data
No.2
2) When "(Speed value converted from distance ) V2 V1"
l
QD75P N/QD75D N: Less than 0.9ms
QD75P /QD75D : Less than 1.8ms
QD75P N/QD75D N: 0.9ms
QD75P /QD75D : 1.8ms
QD75P N/QD75D N: 0.9ms
QD75P /QD75D : 1.8ms
QD75P N/QD75D N: Less than 0.9ms
QD75P /QD75D : Less than 1.8ms
Fig. 12.14 Examples of when the command output is that of "At constant speed" even though "At
deceleration was selected