Function library
Positioning control
3.4.4 Measuring systems
3−36
l
EDSVS9332P−EXT DE 2.0
Shifting of real zero
Purpose
l The target positions must always refer e.g. to the front edge of the workpiece. This means the
real measuring system must be shifted accordingly.
Function
l By means of the reference offset (C1225) the real zero point can be shifted with regard to the
machine zero point. The input of a positive value results in a shift of the real zero point in
positive direction.
l The reference measure offset takes directly effect with the input. The position setpoint
(POS−SETPOS) and the actual position value (POS−ACTPOS) change in accordance with the
change of the reference offset because of the change of its reference point (real zero point).
l The effective actual reference offset" is indicated under C1220/7 and C1221/7.
Tip!
The input value C1225 and the actual reference offset can only be different when using the program
function "set position value".
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