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Power ON Circuitry
Electrical
Troubleshooting Guide
IRB6400 M94A
Sheet 13.1, line 01..........
Sheet 104, line 18...........
Fig. 4-2,3 ...........
Sheet 8, line 03 ..............
Fig. 4-2 ..............
Sheet 7, line 14 ..............
Fig. 4-5 ..............
DC Power Distribution (Cont)
24 VDC is also fed to the Manipulator's SMB (Serial
Measurement Board) through the back plane X31 pin 3.
Then to XS2 pins 'F' and 'H' and then to R1:SMB pins
'F' and 'H'. Then to R2:SMB pin 7. The 24 VDC energizes
the SMB board, and charges a 7.2 volt battery on the
SMB.
24 VDC is used if External Axes (axis 8-12) are present
to indicate that the external rectifier is working correctly.
If no external rectifiers are present, a jumper is required
between XS3/XT3 terminal C16 to C12.
24 VDC is fed to the Key Switch through the back plane
X34 pin 24 to the Key Switch Terminal 13. From there,
depending on the mode selected, power will route in
order:
Component Manual Manual AUTO
Reduced Full
Key Switch Term. 16 18 14
X34 Back Plane 19 20 18
X35 Back Plane 18 17 19
AP41:XP1 C12 C11 C10
This will identify to the computer which mode has been
selected using the Key Switch.
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