Motion State Instructions
56 Rockwell Automation Publication MOTION-RM002H-EN-P-February 2018
This information applies to the CompactLogix 5370, ControlLogix 5570,
Compact GuardLogix 5370, GuardLogix 5570, and ControlLogix 5580
controllers.
Use the Motion Direct Drive On (MDO) instruction in conjunction with motion
modules that support an external analog servo drive interface. This instruction
activates the Drive Enable of the module, enabling the external servo drive, and
also sets the output voltage of the drive of the servo module to the specified voltage
level. The value for Drive Output may be specified in Volts or % of maximum axis’
Output Limit.
Available Languages
Ladder Diagram
Function Block
This instruction is not available in function block.
Structured Text
MDO(Axis,MotionControl, DriveOutput,DriveUnits);
Motion Direct Drive On (MDO)