Function library
Positioning control
3.4.4 Measuring systems
3−35
l
EDSVS9332P−EXT DE 2.0
3.4.4.1 Measuring systems and zero shifts
9300POS007
0
a c t . h o m e p o s i t i o n
C 1 2 2 7 ( C 1 2 2 0 / 8 )
L i m i t p o s i t i o n
n e g a t i v e
L i m i t p o s i t i o n
p o s i t i v e
C 1 2 2 4
C 1 2 2 3
0
a c t . h o m e o f f s e t
C 1 2 2 5 ( C 1 2 2 0 / 7 )
a c t . t a r g e t p o s i t i o n
C 1 2 2 0 / 1
H o m e
o s i t i o n
R e a l m e a s u r i n g s y s t e m
M a c h i n e
m e a s u r i n g
s y s t e m
Fig. 3−12 Measuring systems for absolute positioning and zero point shifting
Shifting of machine zero
Purpose
l The reference run is to be carried out on one side of the traversing range when it is too time
consuming to approach the machine zero.
Function
l Via the home position (C1227) the machine zero point is shifted with regard to the reference
point. The home position is set at the reference point so that with a positive home position the
machine zero point is situated in negative direction.
l The home position (C1227) will only be accepted as actual home position" when being in
reference run" or set reference point" mode.
l The effective actual home position" is indicated under C1220/8 and C1221/8.
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