Motion State Instructions
Rockwell Automation Publication MOTION-RM002H-EN-P-February 2018 71
This information applies to the CompactLogix 5370, ControlLogix 5570,
Compact GuardLogix 5370, GuardLogix 5570, Compact GuardLogix 5380,
CompactLogix 5380, CompactLogix 5480, ControlLogix 5580, and GuardLogix
5580 controllers. Controller differences are noted where applicable.
Use the Motion Servo Off (MSF) instruction to deactivate the drive output for
the specified axis and to deactivate the axis' servo loop.
Important: If you execute an MSF instruction while the axis is moving, the axis coasts to an uncontrolled stop.
Available Languages
Ladder Diagram
Function Block
This instruction is not available in function block.
Structured Text
MSF (Axis,MotionControl);
Operands
Ladder Diagram and Structured Text
Operand Type
CompactLogix 5380,
CompactLogix 5480,
ControlLogix 5580, Compact
GuardLogix 5380, and
GuardLogix 5580 controllers
Type
CompactLogix 5370, ControlLogix
5570, Compact GuardLogix 5370,
and GuardLogix 5570 controllers
Format Description
Axis AXIS_CIP_DRIVE AXIS_CIP_DRIVE
AXIS_GENERIC
AXIS_GENERIC_DRIVE
AXIS_SERVO
AXIS_SERVO_DRIVE
Tag Name of the axis to
perform operation on
Motion Control MOTION_INSTRUCTION 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.