HEIDENHAIN PT 880 - Manual (Page 57)

POSITIP 880 57
I – 6 Pr
ogr
amming POSITIP 880
Entering the tool axis (such as Z) is optional. It is used
to set the tool axis at run-time. An axis may be
selected by using the axis (X, Y, Z) soft keys. Press
ENT
. The program contains the tool call block TOOL
CALL 1 Z.
Choose CE to clear any tool axis selection.
Press USE.
Datum Call
The DATUM CALL block is used to select a datum at run-time. See Fig.
I.43.
Datum call
The POSITIP 880 can store up to 99 datums in a datum table. You can
call a datum point from the datum table during a program run by simply
pressing the DATUM CALL soft key and entering the block DATUM XX.
This automatically calls the datum point entered for XX during program
run.
Operating mode: PROGRAMMING
Press the PROGRAMMING FEATURES soft key.
Select the DATUM CALL soft key. Call a datum point
from the table.
Enter the datum number (such as 5). Press USE. Input
range: 0 to 99.
DATUM #5 will appear within the block.
TOOL AXIS (OPTIONAL)
Fig. I.43 DATUM CALL form
DATUM NUMBER