Motion Control Function Block Parameter Numbers - Allen-Bradley Micro800 General Instructions Manual

Programmable controllers

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Motion control instructions

For example, on a moving axis on a Ladder POU (state of a rung=true), an

MC_MoveRelative function block in the rung is scanned and the axis starts to

move. Before MC_MoveRelative completes, the state of the rung becomes False,

and MC_MoveRelative is no longer scanned. In this case, the state of the axis

cannot switch from Discrete Motion to StandStill, even after the axis fully stops,

and the velocity comes to 0.

Motion control function block parameter numbers

The following function blocks use specific parameter numbers when the function

blocks are programmed.

MC_ReadParameter

MC_ReadBoolParameter

MC_WriteParameter

MC_WriteBoolParameter

Rockwell Automation Publication 2080-RM001D-EN-E - February 2015