Chapter 3 Operating Instructions
C4000 Select
20 © SICK AG • Industrial Safety Systems • Germany • All rights reserved 8012247/RI61/2007-11-30
Product description
3.4.3 Optional integrated LED
When the receiver unit includes the optional integrated LED, the following LED states are
defined:
Integrated LED Meaning
Red Output signal switching devices (OSSD)/safety outputs are OFF
Green Output signal switching devices (OSSD)/safety outputs are ON
Off No power is currently supplied to the receiver unit
ted LED display indication
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