TP-6745 7/10 47Section 3 Controller Test and Replacement
3.2 Controller Circuit Boards and
Connectors
2
GM21079
1
GM46733
5
7
9
12
14
3
13
6
8
17
4
15
1. Hinges
2. Latch
3. RS-485 Modbus connections TB2
4. User interface LCD display connection P17
5. Accessory module assembly connection P16
6. User interface connection P14
7. DIP switches SW1
8. Ethernet connector P13
9. USB port P12
10. LED1 (ON = 12VDC)
11. Relays
12. Programmed-transition interface board (PTIB) connection P2
(factory connection)
13. Ground wire
14. Transfer switch harness connection P1
15. Current sensing kit connection P3 (optional)
16. Ribbon cable connection
17. Logic board input and output connections TB1
Logic
Board
Power
Board
11
10
With Cover
Cover Removed
16
Figure 3-5 Controller
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