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126 •
PROFINET IO 750-370
LED Indication
3.1.11.5
Status Supply voltage
The power supply unit of the coupler has two green LEDs. The link upper
LED (A) displays the status of the system supply. The left lower LED (B)
reports the status of the field supply.
LED A
Green
Off
LED B
Green
Off
Significance
System supply O.K.
System supply missing
Significance
Field supply O.K.
Field supply missing
Remedy
Check supply voltage (24 V and 0 V)
Remedy
Check supply voltage (24 V and 0 V)
WAGO-I/O-SYSTEM 750
PROFINET IO
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