Allen-Bradley 1756-L61 User Manual page 146

Chapter 9 Develop Motion Applications
If Jog_Pushbutton = on and the axis = on (My_Axis_X.ServoActionStatus = on) then the MAJ instruction jogs the axis forward at 8 units/second.
If Jog_Pushbutton = off then the MAS instruction stops the axis at 100 units/.second
decelerates at its maximum speed.
If Move_Command = on and the axis = on (My_Axis_X.ServoActionStatus = on) then the MAM instruction moves the axis. The axis moves to the
position of 10 units at 1 unit/second.
146 Rockwell Automation Publication 1756-UM001O-EN-P - October 2014
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. Make sure that Change Decel is Yes. Otherwise, the axis