+I Test Point | Rectifier Current can be measured with a |
| voltmeter between COM and +I. Current is |
| 10A/V multiplied by test point voltage. |
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|
Float / Boost/Equalize Switch | Used to Control voltage on systems without a |
| PSCU |
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|
Float Trim Pot | The float pot is used to adjust the default float |
| voltage (27.2 Vdc). |
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|
Boost/Equalize Trim Pot | The boost/equalize pot is used to adjust the |
| default boost equalize voltage (28.8 Vdc). |
|
|
Power Shelf Control Unit |
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|
Major (Red) | On when Major Relay is |
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|
Minor (Yellow) | On when Minor Relay is energized |
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Normal (Green) | On when no alarms are active |
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ALM 1 (Red) | On when Output Relay 1 is energized |
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ALM 2 (Red) | On when Output Relay 2 is energized |
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ALM 3 (Red) | On when Output Relay 3 is energized |
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ALM 4 (Red) | On when Output Relay 4 is energized |
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ALM 5 (Red) | On when Output Relay 5 is energized |
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ALM 6 (Red) | On when Output Relay 6 is energized |
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MIN (Red) | On when Minor Relay is energized |
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MAJ (Red) | On when Major Relay is |
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|
*This will allow the Major to activate even when all power is lost.
MX28B400 +24 VDC User’s Manual | Page 45 |