Subject to reasonable modifications due to technical advances.
© Fuchs, Printed in Germany
37
Fuchs Group · Tel.: Germany (6 21) 7 76-0 · USA (3 30) 4 25 35 55 · Singapore 7 79 90 91
Internet http://www.pepperl-fuchs.com
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AS-Interface
Electrical connection
7.8
Indicators and operating elements
7.8.1
LED indicators – Monitor VAS-4A16L-K31
The LED’s on the front panel of the device indicate:
fault
ready U AS-i
1
U AS-i
2
power
The monitor is receiving sufficient power.
fault
LED
on:
Communications fault on the AS-i cable
LED
flashing:
At least 1 OSSD flashing red
ready
LED
on:
Startup/restart block active /
LED
flashing:
External test required
U AS-i 1 / U AS-i 2
AS-i 1 / AS-i 2 receiving sufficient power