ABB IRB6400 - Teach pendant

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Computer System
Electrical
Troubleshooting Guide
IRB-6400 M94A
2.6 Teach Pendant
The Teach Pendant communicates with the robot
computer via a cable (XS20). This cable is also used for
the +24V supply and the dual operation chain. The
unit's communication signals are fuse-protected on the
backplane (F1 and F2). These are PTC type fuses that
automatically reset when the short has been corrected.
An error in the teach pendant may mean that the rest of
the system cannot be used. If the teach pendant seems
to be completely dead, but the rest of the system is
working correctly, the Teach Pendant may have failed,
or a cable break may have occurred.
Communication errors between the teach pendant and
the I/O computer are indicated by error messages on
the teach pendant and also when the red LED on the
robot computer lights up.
The backplane has test points for the teach pendant
signals, X32 TEACH PENDANT.
If replaced, there are no adjustments or procedures
required.
Sheet 7, line 01 ..............
Sheet 8, line 01 ..............
Fig. 2-4 ..............
XS13
XS11
XS10
XS4
XS5
XS6
XS1 4
XS1 2
XS7
XS3
XS1
XS15
XS16
XS20
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4 5 6
1 2 3
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2 C ut
3 C opy
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5 Got o Top
6 Got o Bott om
7 Mar k
- - - - - - -
8 C hang e
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9 S how V al ue
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