Electrical
Troubleshooting Guide
IRB6400 M94A
Page 11 - 23
Inputs & Outputs
1. POWER SUPPLY +24 VDC, +5VDC....................... 6 of 43
2. I/O BOARD POSITION .......................................... 18 of 43
3. DIGITAL I/O BOARD., COMBI, I/P PART........... 19.1 of 43
4. RELAY UNIT, I/P 1-16 ........................................ 19.2 of 43
5. 120 VAC INPUT ................................................. 19.3 of 43
6. DIGITAL PART OF COMBI I/O, I/P PART.......... 19.4 of 43
7. DIGITAL I/O BOARD, INPUT PART ................... 19.5 of 43
8. DIG. COMBI, DIG. I/O BD. O/P PART................ 20.1 of 43
9. RELAY UNIT, OUTPUT 1-8................................ 20.2 of 43
10. RELAY UNIT, OUTPUT 9-16.............................. 20.3 of 43
11. 120 VAC OUTPUT.............................................. 20.4 of 43
12. DIG. PART OF COMBI I/O, O/P PART............... 20.5 of 43
13. DIGITAL I/O BOARD, OUTPUT PART............... 20.6 of 43
14. COMBI I/O BD. ANALOG, O/P PART ................ 21.1 of 43
15. COMBI I/O BD. ANALOG, O/P PART ................ 21.2 of 43
16. ANALOGUE I/O BOARD ....................................... 22 of 43
17. REMOTE I/O BOARD FOR A-B PLC .................... 23 of 43
11.5 List of Circuit Diagrams
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