HEIDENHAIN PT 880 - Manual (Page 19)

POSITIP 880 19
I – 2 W
o
rk
ing with POSITIP 880 – First St
eps
I – 2 Working with POSITIP 880 –
First Steps
Power Up
Switch on the power (located on the back). It will take
approximately 25 - 30 seconds for system to start
after power up. The initial screen will appear (This
screen will only appear the first time you power
up). Select the language by pressing the LANGUAGE
soft key.
At this point you have the choice of MILL or TURN.
Select the MILL soft key to proceed with milling
functions the first time you power up. See Table of
Contents for turning functions section. See Fig. I.12.
You can change the application later in
INSTALLATION SETUP under COUNTER SETTINGS.
Your POSITIP 880 is now ready for operation and is in the operating
mode ACTUAL VALUE. Axis will show “NO REF”.
Before You Start
The POSITIP 880's reference mark evaluation feature automatically re-
establishes the relationship between axis slide positions and display
values that you last defined by setting the datum.
If the axis encoder has reference marks, the NO REF indicator will
flash. See Fig. I.13. After crossing over the reference marks, the
indicator will stop flashing and change to REF.
Working without reference mark evaluation
You can also use the POSITIP 880 without crossing over the reference
marks. Press the NO REF soft key to exit the reference mark evaluation
routine and continue in ACTUAL VALUE mode. The NO REF indicator
will indicate that reference marks were not crossed over for that axis.
You can still cross over reference marks at a later time. The ENABLE
REF soft key will be available from ACTUAL VALUE mode. Press this
soft key to activate the reference mark evaluation routine.
Fig. I.12 Initial screen
Fig. I.13 Display before choosing NO REF