Mitsubishi Electric MELSEC-L LD75P User Manual page 556

(2) Control precautions
• When "0" is set in "[Cd.10] New acceleration time value" and "[Cd.11] New deceleration time value", the
acceleration/deceleration time will not be changed even if the speed is changed. In this case, the operation
will be controlled at the acceleration/deceleration time previously set in the parameters.
• The "new acceleration/deceleration time" is valid during execution of the positioning data for which the
speed was changed. In continuous positioning control and continuous path control, the speed is changed
and control is carried out with the previously set acceleration/deceleration time at the changeover to the next
positioning data, even if the acceleration/deceleration time is changed to the "new acceleration/deceleration
time ([Cd.10], [Cd.11])".
• Even if the acceleration/deceleration time change is set to disable after the "new acceleration/deceleration
time" is validated, the positioning data for which the "new acceleration/deceleration time" was validated will
continue to be controlled with that value. (The next positioning data will be controlled with the previously set
acceleration/deceleration time.)
Example
Positioning start
Cd.12 Acceleration/deceleration time
change during speed change,
enable/disable selection
554
V Speed change
Speed change
New acceleration/deceleration
time ( Cd. 10 , Cd. 11 )
Disabled
Enabled Disabled
t