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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
Tab. 3: C4000 Select integra-
ted LED display indication