Motion State Instructions
Rockwell Automation Publication MOTION-RM002H-EN-P-February 2018 51
This information applies to the CompactLogix 5370, ControlLogix 5570,
Compact GuardLogix 5370, GuardLogix 5570, and ControlLogix 5580
controllers.
Use the Motion Direct Drive Off (MDF) instruction to deactivate the servo drive
and to set the servo output voltage to the output offset voltage. The output offset
voltage is the output voltage that generates zero or minimal drive motion. You can
specify this value during axis configuration.
Available Languages
Ladder Diagram
Function Block
This instruction is not available in function block.
Structured Text
MDF(Axis,MotionControl);
Operands
Ladder Diagram and Structured Text
Operand Type Format Description
Axis AXIS_SERVO Tag Motion Axis of data type
AXIS_SERVO only.
Motion Control MOTION_INSTRUCTION Tag Structure used to access
instruction status parameters.
See Structured Text Syntax for more information on the syntax of expressions
within structured text.
Motion Direct Drive Off (MDF)
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