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Computer System
Electrical
Troubleshooting Guide
IRB-6400 M94A
2.8 List of Circuit Diagrams
1. POWER SUPPLY, +24VDC, +5VDC....................... 6 of 43
2. MOTOR ON CHAIN PART 1 ................................... 7 of 43
3. MOTOR ON CHAIN PART 2 ................................... 8 of 43
4. CONTROL CABLE ............................................. 13.1 of 43
5. I/O BOARD POSITION .......................................... 18 of 43
6. DIGITAL I/O BD., COMBI, I/P PART .................. 19.1 of 43
7. RELAY UNIT, I/P 1-16 ........................................ 19.2 of 43
8. 120VAC INPUT .................................................. 19.3 of 43
9. DIG. PART OF COMBI I/O, I/P PART ................ 19.4 of 43
10. DIGITAL I/O BOARD, INPUT PART................... 19.5 of 43
11. DIG. COMBI, DIG. I/O BD. O/P PART................ 20.1 of 43
12. RELAY UNIT, OUTPUT 1-8................................ 20.2 of 43
13. RELAY UNIT, OUTPUT 9-16.............................. 20.3 of 43
14. 120VAC OUTPUT............................................... 20.4 of 43
15. DIG. PART OF COMBI I/O, O/P PART............... 20.5 of 43
16. DIGITAL I/O BOARD, OUTPUT PART............... 20.6 of 43
17. COMBI I/O BD. ANALOG, O/P PART ................ 21.1 of 43
18. COMBI I/O BD. ANALOG, O/P PART ................ 21.2 of 43
19. ANALOG I/O BOARD ............................................ 22 of 43
20. REMOTE I/O BOARD FOR A-B PLC .................... 23 of 43
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