Chapter 6 Interfaces
6.8Alarms
The alarms port interface is a
CAUTION
Do not apply more than 60 Volts (maximum) to any pin or combination of pins on the Alarms con- nector.
Figure 11. Alarms Connector
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| 1 | 8 |
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| 9 | 1 5 |
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Table 10. Alarms Connector |
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| Pin No | Description | Pin No | Description |
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| 1 | Not used – do not connect | 9 | Minor alarm normally closed |
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| 2 | Not used – do not connect | 10 | Minor alarm common |
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| 3 | Not used – do not connect | 11 | Major alarm normally open |
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| 4 | Not used – do not connect | 12 | Major alarm normally closed |
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| 5 | Critical alarm normally open | 13 | Major alarm common |
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| 6 | Critical alarm normally closed | 14 | Power alarm normally open |
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| 7 | Critical alarm common | 15 | Power alarm common |
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| 8 | Minor alarm normally open |
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