SICK L4000 Mode D'emploi page 71

en
Chapter 3
Fig. 2: Safety evaluation
device UE401
Tab. 1: LED displays of the
safety evaluation device
UE401
70 © SICK AG • Industrial Safety Systems • Germany • All rights reserved
Product description
3.3 Structure and function
The safety evaluation device UE401 is intended for mounting in the
control cabinet on a mounting rail (35 mm) ( Fig. 2).
Along with the 7-segment display (for diagnostics), there are 3 LEDs
on the front panel:
Display Label
 Red OSSD OFF
 Green OSSD ON
 Yellow RESET
The connection terminals can be removed so that it is not necessary
to undo the connections on replacement of the control unit.
Operating Instructions
Explanation
Switching outputs that control the
safety circuit, inactive
Switching outputs that control the
safety circuit, active
Reset required
8010009/1HGT/2022-11-21
L4000 system
Subject to change without notice