IFM Electronic AS-interface AC2257 Notice De Montage page 7

Operation
Check the safe functioning of the unit. Display by LEDs:
• LED green (AS-i): voltage supply via the AS-i network o.k.
• LED green (AUX): external voltage supply o.k.
• LED yellow: input/output switched
• LED red is lit (FAULT): AS-i communication error, e. g. slave address 0
• LED red flashing (FAULT): peripheral error, e.g. no auxiliairy voltage
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