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Файл:8 СЕМЕСТР / АСУ ЭТО / Wago-IO-PRO CAA 2.3.8.5 (5.10.2007) / WAGO manuals / 750-842 / m012900e.pdf
Fieldbus controller 750-842 • 91
LED Display
3.2.8.5Supply voltage status
There are two green LED’s in the controller supply section to display the supply voltage. The left LED (A) indicates the 24 V supply for the controller. The right hand LED (C) signals the supply to the field side, i.e. the power jumper contacts.
LED |
Meaning |
Trouble shooting |
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A |
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green |
Operating voltage for the system exists. |
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OFF |
No operating voltage for the system. |
Check the supply voltage (24V and 0V). |
C |
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green |
Operating voltage for the power jumper contacts |
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exists. |
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OFF |
No operating voltage for the the power jumper con- |
Check the supply voltage (24V and 0V). |
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tacts. |
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Modular I/O System
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