•
Overload protection on OSSDs
•
Supply voltage reverse polarity protection
3.2.5
Status indicators
The safety switch outputs important status information using a number of LEDs.
2 1
Figure 3: Status LEDs
Table 1: Status LEDs
No.
Name
Color
Meaning
1
LOCK
Yellow
Lights up when the
magnet is supplied
with voltage.
2
OSSD
Red/green
Lights up green when
the OSSD pair is in the
ON state.
Lights up red when
the OSSD pair is in the
OFF state.
1)
1)
When a too high load is applied to the application diagnostic output, the red OSSD LED remains continu‐
ously lit. This will not have any effect on the actual switching behavior of the safety switch.
PRODUCT DESCRIPTION
3
8020169/ZJN1/2018-03-21 | SICK
O P E R A T I N G I N S T R U C T I O N S | MLP1
11
Subject to change without notice
