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AX- Ser i es Mo t i o n Co n t r o l l er I n s t r u c t i o n s Ma n u a l
Name
True when the axis decelerates to a stop and
reaches zero velocity.
Done
True when Execute turns to True.
Busy
Error
When an error occurs in the execution
conditions or input values for the instruction.
ErrorID
Timing Diagram
Execute
Done
Busy
Error
Inputs/Outputs
Name
Function
Specify the
Axis
axis.
*Note: AXIS_REF_SM3(FB): Every function block contains this variable, which works as the starting program for function blocks.
Function
You can specify the deceleration rate when decelerating the moving axis to a stop. Also, State Machine will be stopping.
When MC_Power is False during deceleration, the motor is in Free Run state.
The Done output is set to True when axis has reached velocity zero. At the same time, the input Execute changes to
False, while State Machine in stopping state changes to standstill.
Troubleshooting
If an error occurs during the execution of the instruction, Error will change to True. You can refer to ErrorID (Error
Code) to address the problem.
Example
The example below shows the behavior and position tracking when MC_Stop is run after MC_MoveVelocity.
Timing for shifting to True
Data Type
AXIS_REF_SM3*
Timing for shifting to False
When Execute turns from True to False.
If Execute is False and CommandAborted turns
to True, Done will be True for only one scan cycle
and immediately shift to False.
When Done turns to True.
When Error turns to True.
When Execute turns from True to False. (Error
Code is cleared)
Setting Value
(Default Value)
When Execute is triggered to be True
AXIS_REF_SM3
and Busy is False.
Ch a p t er 2
Timing to Take Effect
1 4
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