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llElUENllAlN
DR. JOHANNES
HEIDENHAJN GmbH
D-8225
Traunreut
'Tel. (08669)
31-O
SERVICE
MANUAL TNC 151/155
Paae
34
Kundendienst
Se&ion
2.2.6
Individual
test
runs
Each
of
the
individual,
sequential
tests
can
also
be made
to
run
cyclically.
To do this,
the
test
program
nust
be interrup-
ted
with
the
key
El
The VDU will
then
display:
"1
= CYCLIC
2 = STOP AT FAULT"
Pressing
keymcauses
the
test
(still
to
be selected)
to
run
cyclical1
0
regardless
of
whether
a fault
is
detected.
Pressing
key
2 causes
the
test
to
run
cyclically
until
such
time
as a
ault
is
detected.
When
one mode
or
the
other
has
been
selected,
the
VDU will
display:
"SELECT
TEST"
The
desired
test
must
then
be
selected
with
the
appropriate
key.
Another
possible
interrupt
to
the
Burn-In
test
program
is
by
means
of
the
key
Bl
With
this
key
the
entire
set
of
ASCII
characters
can
be dis-
played
on the
VDU.
(With
TNC 155
only!)
A graphics
display
consisting
of
a square
grid
with
a circle
in
the
centre
can
be displayed
by pressing
the
key
marked
@iI
Similarly
the
NC and PLC software
numbers
can
be displayed
by
pressing
the
key
El
Calibration
check
of
the
Analogue
Board
("TRIMMING
ROUTINES")
Interrupting
the
Burn-In
test
program
with
the
key
gains
access
to
the
calibration
tests.
Exit
from
these
tests
is
only
possible
with
the
key
Within
the
ted:
-Key
1
0:
-Keym:
calibration
mode
the
following
tests
can be
selec-
Reference
amplifier
performance
*
(~TRANSMISSI~~~
~miAvIouR
m.
AMP.")
Analogue
output
voltage
**
('ANALOG
VOLTAGE
OUTPUT")
- K=Y H
:
-KeypJ:
32-step
monotonic
DAC *
("MONC'TONIY
DAC;
32 STEPS")
DAC performance
*
("TRANSMISSION
BEBAVIOUR
DA'?')
-KeypJ:
-=Y@
-KeypJ:
--ym:
0
text
in
+ 1OV analogue
output
**
T"DAC
+ ANALOG OUTPUT + 10X'")
Linearity
of
analogue
output
*
("DAC
+ ANALOG OUTPUT LINEARITY')
Battery
voltage
check
**
("TEST
BATTERY
VOLTAGE")
Transducer
pulse
count
comparison
*
('PULSE
COUNT OUTPUT")
brackets
appears
on VDU
*
these
test
are
not
suitable
for
customer
use.
**
see
following
explanations:
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