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Table
6-2.
Binary
Controlled
Counter
Interface
Electronics
Systems
Troubleshooting
(Cont'd)
REQUIRED TEST
EQUIPMENT
d) Check voltage on each coupler card.
INSTRUMENT
TYPE
Digital
Voltmeter
Logic
Probe
Oscilloscope
Individual
circuit
card
operating
and
service
manuals
COUPLER TEMPERATURE
O0 to 55OC
Out of range
REQUIRED
CHARACTERISTICS
Range:
-15V
to
+15V
+
.01V
dc
TTL
Level
Ability
to
display
signals
between
dc
and
20
MHz.
SYMPTOMS
None-electronics
should operate as
described.
Counters may jump
or count erratically
LOCATION
+5V Front-edge test point
.
CHECKOUT
PROCEDURE
MULTI-AXIS
PROBLEM
1 .
If
the
same
problem
exists
on
all
axes,
check
the
following
possible
error
sources:
a)
Check
user
software
(refer
to
Section
IV
Programming,
for
example
program).
b)
Check instruction
sequence
timing
(refer
to
10746
manual).
c)
Check
temperature
in
coupler
environment.
ACTION
None
Ventilate
enclosure
VOLTAGE
At least +5V
+
.01V
on each card.
I
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Troubleshooting
