Mitsubishi Electric MELSEC-Q QD75M User Manual page 131

5 DATA USED FOR POSITIONING CONTROL
1) Positioning start
When positioning is started,
the acceleration starts following
the "acceleration time".
Pr.8
Speed limit
value
Da.8
Command
speed
Pr.36 Sudden stop deceleration time
Set the time to reach speed 0 from "
stop.
The illustration below shows the relationships with other parameters.
Actual sudden stop
deceleration time
Actual accel-
eration time
Pr.36
Sudden stop
deceleration time
Acceleration time
Acceleration time 0
Pr.9
Acceleration time 1
Pr.25
Acceleration time 2
Pr.26
Acceleration time 3
Pr.27
Pr.8
2) Sudden stop cause occurrence
When a "sudden stop cause" occurs,
the deceleration starts following the
"sudden stop deceleration time".
Deceleration time
5 - 40
Speed limit value" during the sudden
3) Positioning stop
When a "sudden stop cause"
does not occur, the decelera-
tion starts toward the stop
position following the "decel-
eration time".
Actual decel-
eration time
Deceleration time 0
Pr.10
Deceleration time 1
Pr.28
Deceleration time 2
Pr.29
Deceleration time 3
Pr.30
MELSEC-Q