SC300 Handbook
4
Copyright © 2007-2018 Eaton Corporation. All Rights Reserved.
IPN 997-00012-03 B2 Issue B2 July 2018
1. LVD power input connector - XH8
2. Power and RXP comms input - YH11
3. Current sense inputs (3) - XH6
4. Temperature sense inputs (2) - XH7
5. Battery Mid-point Monitoring sense inputs -
XH12
6. DC power system digital inputs (4 pre-
defined: Load Fuse Fail, Battery Fuse Fail,
AC Distribution Fan Fail, AC Distribution
MOV Fail) - YH3
7. Bus voltage sense input - XH9
8. Power/Comms OK LED (green)
9. Digital inputs D11-D13 (3 user defined) –
XH15D IOBGP-10/11/20/21 only
10. Digital inputs D1-D6 (6 user defined) -
XH15A, XH15B
11. Digital (relay) outputs RY7-RY10 (4) – XH22-
XH25 IOBGP-10/11/20/21 only
12. Digital (relay) outputs RY1-RY6 (6) – XH16-
XH21
13. LVD contactor 3 connector (XH3) and status
LED (green)
14. LVD contactor 2 connector (XH5) and status
LED (green)
15. LVD contactor 1 connector (XH4) and status
LED (green)
See Troubleshooting on page 122 for details of I/O board LED signals.
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