External Supply (Ossd); Figure 6-6: Two-Channel Equivalent Assignment Of The Inputs, External - Leuze electronic MSI 200 Series User Manual

Sensor
Sensor supply
Attainable safety integrity
Configuration
Input xx channel 1/channel 2
Cross circuit monitoring
Leuze electronic
6.3.3

External supply (OSSD)

+24 V
OSSD
I0
I1
0 V
Figure 6-6 Two-channel equivalent assignment of the inputs, external supply (OSSD)
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.
•
Key dates
Two-channel OSSD output (with internal testing)
External (OSSD sensor)
SIL 3/SILCL 3/Cat. 4/PL e
Example configuration
Configured as
No
Legend:
OSSD
I0, I1
+24 V
0 V
MSI 100/200
Wiring examples
OSSD sensor
Inputs
Supplied by external 24 V
External 0 V (note potential refer-
ence)
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