Buffermode - Mitsubishi Electric MELSEC iQ-R Series User Manual

Timing chart when the operation direction is changed
When the operation direction is changed due to the case that sign of the target velocity is reversed at ContinuousUpdate
TRUE, etc., the axis accelerates toward the target velocity once after deceleration stop.
Execute
Busy
Active
InVelocity
AxisName.Md.AxisStatus
Velocity
ContinuousUpdate
Velocity
1000
0
-1000

BufferMode

Select a buffer mode. Aborting, Buffered, BlendingLow, BlendingPrevious, BlendingNext and BlendingHigh can be set.
• 0: mcAborting
Switches to this FB immediately.
• 1: mcBuffered
When InVelocity turns TRUE, it regards the FB as completion and switches to the next instruction.
Besides, BlendingLow, BlendingPrevious, BlendingNext and BlendingHigh can not be specified to the subsequent FB. If
specifying it, an error "BufferMode Specification Disabled" (error code: 1A80H) will occur.
6: ContinuousMotion
1000 -1000
ON
Deceleration stop
based on Deceleration
Acceleration
based on Acceleration
Time
6 AXIS CONTROL FUNCTION
6.2 Single Axis Speed Control
6
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