3 Operating the SAMMS-LV Device
Figure 3.3 Ladder symbols used with the SAMMS-LV device (sheet 2)
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STOP or OFF |
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| Current |
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| Unbalance |
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LED | VARIABLE Flashing |
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| PB5 |
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Current |
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| 40% |
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Unbalance |
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| Impending |
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Impending |
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| > 100% |
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Trip |
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| < 110% |
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| Trip |
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Overload | VARIABLE |
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Trip |
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| PB4 | HAND or | ||||
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| L3 |
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Incomplete |
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| Overload |
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Sequence |
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External |
| Trip: Loss |
| Alarm: Loss |
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Trip Alarm |
| of Load,or |
| of Load or |
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| PB3 |
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| Prcs Current |
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CPU |
| Trip: CPU |
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| CPU |
| Incomplete |
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| Failure or |
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| Fault |
| Sequence |
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Fault |
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Ground |
| Trip |
| Alarm |
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| PB2 | VARIABLE |
Fault |
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| Ground |
| External |
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| Fault |
| Trip/Alarm |
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| Reset/Test |
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| PB1 | STOP or OFF | |
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| Ready |
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