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Table
6-3.
Binary
Controlled
Comparator-Based
System
Troubleshooting
(Cont'd)
L
DATA
ERRORS
1
3.
If
the
problem
appears
to
be
data
related,
check
the
following
for
the
source
of
error:
SYMPTOM
CAUSE
ACTION
No movement indicated
10746A malfunction :
Replace or
on all measurement
coupler interface
troubleshoot
axes.
not placing instruc-
10746A, or
tions on backplane.
1 / 0 cable.
System will not move
1 . 10746A Mal-
Troubleshoot
to desired location.
function
10746A
2. Destination not
Check user
being correctly
software.
converted in pro-
gram or command
sequence in-
correct.
3. 10762A Mal-
Troubleshoot
function
10762A
System malfunctions
10764B Mal-
10764B :
in extended reso-
function
verify proper
lution
(Jumpers and
switch settings
switches may be
on card. Repair
set incorrectly.)
if problem remains.
Correct position
1. Improper system
1. See Section Y
data i s output but
grounding
for grounding
in wrong format (i.e.
considerations
least significant
data being sent in
2. Incorrect I / O
2. Check I/O
first word transmitted)
cabling
cabling.
DAC output is in-
1. Compensation
1. Write program
correct by a small
Circuitry
to continually
amount on all axes
output compen-
of movement
2. Optical mis-
sation (Comp)
alignment
data.
2. If Comp number
correct, check
for cosine error
in optical
alignment (refer
to Section 11).
3. If Comp number
incorrect, re-
place 10755. If
using 5510,
check BCD inputs
to 10755 using
logic probe and
verify correct
Comp number i s
being output.
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Table of Contents
Troubleshooting
