Motion Event Instructions 
 
236  Rockwell Automation Publication MOTION-RM002H-EN-P-February 2018 
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 Arm Watch (MAW) instruction to arm motion module watch 
position event checking for the specified axis. When this instruction is called, a 
watch position event is enabled using the watch Position for the Axis and specified 
Forward or Reverse event condition. After the arming is complete the Actual 
Position for the Axis is monitored against the Watch Position and when the 
specified watch event condition is met, the Event (PC) bit is set, and the Watch 
Event Status bit in the Axis data structure is set. 
Available Languages 
Ladder Diagram 
 
Function Block 
This instruction is not available in function block. 
Structured Text 
MAW(Axis,MotionControl, TriggerCondition,Position);