Reference Manual

Turbo PMAC/PMAC2 Software Reference

Turbo PMAC On-line Command Specification 294

Circular Moves (Writing and Executing Motion Programs)

On-line command INC

Program commands ABS, INC

{axis}={constant}

Function: Re-define the specified axis position.

Scope: Coordinate-system specific

Syntax: {axis}={constant}

where:

 {axis} is a letter from the set (X, Y, Z, U, V, W, A, B, C) specifying the axis whose present

position is to be re-named;

 {constant} is a floating-point value representing the new name value for the axis' present position

This command re-defines the current axis position to be the value specified in {constant}, in user

units (as defined by the scale factor in the axis definition). It can be used to relocate the origin of the

coordinate system. This does not cause the specified axis to move; it simply assigns a new value to the

position..

Internally, a position bias register is written to which creates this new position offset. PSET is the

equivalent motion program command.

Example:

X=0 ; Call axis X's current position zero

Z=5000 ; Re-define axis Z's position as 5000