Two-Channel Antivalent Assignment Of The Safe Digital Inputs; Cross Circuit Monitoring Switched On, Supplied By T0 And T1; Figure 6-7 Two-Channel Antivalent Assignment Of The Inputs, Supplied By T0 And T1, Cross Circuit Monitoring Switched On - 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
6.4 Two-channel antivalent assignment of the safe digital
inputs
With the two-channel assignment of the inputs, two adjacent inputs of the same connector are
used.
For two-channel antivalent assignment of the inputs, use the "antivalent" function module in
the MSIsafesoft configuration software.
The function description of the module can be found in the help system of the software.
6.4.1

Cross circuit monitoring switched on, supplied by T0 and T1

Possible wiring variants:
S1
I0
T0
I1
S2
T1
Figure 6-7 Two-channel antivalent assignment of the inputs, supplied by T0 and T1, cross
circuit monitoring switched on
Key dates
Two-channel antivalent
Internal by clock output T0 and T1, cross circuit monitoring switched on
SIL 3/SILCL 3/Cat. 4/PL e
WARNING: Loss of the safety function
An accumulation of errors can lead to the loss of the safety function.
Test the safety function at appropriate time intervals to detect errors in good time.
•
Example configuration
Configured as
Yes, with test pulse T0 at I0
Yes, with test pulse T1 at I1
Legend:
S1, S2
I0, I1
T0, T1
MSI 100/200
Wiring examples
Switching elements
Inputs
Supplied by T0 and T1
55