AX-Series Motion Controller Instructions Manual Chapter 2
425
Name Function Data Type
Setting Value
Timing to Take Effect
Axis
Specify the
AXIS_REF_DML* AXIS_REF_DML
When bExecute turns to True and bBusy
*Note:
AXIS_REF_DML (FB): All function blocks contain this variable, which works as the starting program for function blocks.
Function
When bExecute turns to True, the instruction will perform constant-velocity motion according to the specified target
speed (lrVelocity), acceleration (lrAcceleration), and deceleration (lrDeceleration).
The executing MC_MoveVelocity_DML can be aborted by another motion instruction.
When the instruction is aborted by another instruction, the output bInVelocity changes to False and the output
bCommandAborted changes to True.
When bExecute of MC_MoveVelocity_DML switches to True, the axis will start to move at the target velocity. Even if
bExecute switches to False, the operation of the function block will not be affected.
When bExecuteInputs of MC_MoveVelocity_DML changes to True again and a new target velocity is assigned, the axis
velocity is adjusted to the new velocity.
When bExecute changes to False after the function block is run and then the target velocity is reached, the bInVelocity
of MC_MoveVelocity_DML changes to True. Afterward, bInVelocity will be True until it is aborted by another instruction.
Troubleshooting
When an error occurs in the execution of the instruction, bError will change to True. To confirm the current error state,
see the Error Code in ErrorID.
Programming Example
For the example, refer to the programming example of the MC_MoveVelocity function block.
For function block Axis parameters, enter that of the positioning axis.
2.3.3.9 MC_WriteBoolParameter_DML
Supported Devices: AX-308E, AX-364E
MC_WriteBoolParameter_DML writes a Boolean value in the specified parameter.
FB/FC Instruction Graphic Expression
FB MC_WriteBoolParameter_DML
ST Language
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