Wiring examples
Leuze electronic
MSI 100/200
54
6.3.3
External supply (OSSD)
Figure 6-6
Two-channel equivalent assignment of the inputs, external supply (OSSD)
Key dates
Example configuration
Legend:
OSSD
OSSD sensor
I0, I1
Inputs
+24 V
Supplied by external 24 V
0 V
External 0 V (note potential refer
-
ence)
WARNING: Loss of the safety function
Parasitic voltages can lead to the loss of the safety function.
•
Exclude the possibility of parasitic voltages through appropriate wiring.
OSSD
I0
I1
0 V
+24 V
Sensor
Two-channel OSSD output (with internal testing)
Sensor supply
External (OSSD sensor)
Attainable safety integrity
SIL 3/SILCL 3/Cat. 4/PL e
Configuration
Configured as
Input xx channel 1/channel 2
Cross circuit monitoring
No
