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Diagnostics
LED Status Diagnostics for I/O
Status LED for I/ Os on the M12 Connectors
One LED is associated with each splitter channel. The LED status depends on the channel configuration and its level (0 or 24 VDC).
The following figure shows the DEL addressing which correspond to the I/Os for plastic units (on left) and metal units (on right):
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Element | Function |
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1 | LED |
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2 | LED number on the plastic unit |
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3 | Pin number displayed on the metal unit |
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4 | Connector number for the metal unit |
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LED Behavior | LED Behavior according to Settings and Channel Status |
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| Channel configuration | Input voltage | Logical value | LED status |
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| Input closing function | 0 VDC | 0 | Off |
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| 24 VDC | 1 | Yellow |
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| Channel error | - | Red |
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| Input opening function | 0 VDC | 1 | Off |
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| 24 VDC | 0 | Yellow |
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| Channel error | - | Red |
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| Input diagnostics | 0 VDC | 1 | Red |
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| 24 VDC | 0 | Off |
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| Output | 0 VDC | 0 | Off |
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| 24 VDC | 1 | Yellow |
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| Channel error | - | Red |
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126 | 1606218 02 08/2006 |