Mitsubishi Electric MELSEC iQ-R Series User Manual page 332

Motion module

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■When velocity/acceleration/deceleration limit value over occurs at switching of FB by buffer

The control change of buffering FB is executed at swiching of FB.

When the control is changed at switching of FB, velocity/acceleration/deceleration limit value over may occur. When velocity/

acceleration/deceleration limit value over occurs, velocity/acceleration/deceleration and override factor at multipul start are

used to control.

Also when velocity/acceleration/deceleration limit value over occurs at swiching of FB, the import of override factor is

executed. If the limit value is not exceeded at the next control change, the override factor after change will be operated.

AxisName.Cd.

VelocityOverride

AxisName.Md.

VelocityOverride

Axis warning

FB1 Target speed (800000)

before changing

VelocityOverride

FB1 Target speed (400000)

before changing

VelocityOverride

9 RELEVANT FUNCTIONS TO VELOCITY

9.3 Override Function

Multiple start

FB1 set velocity

Speed limit value over

When the acceleration is increased to 400% by

4 speed, change the velocity to 200% using the

override factor at multiple start of FB2 since the

velocity limit value is exceeded. (Axis warning

FB2 Target speed (1200000)

FB2 set velocity (600000)

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