Safety engineering
Device modules
Safe inputs
1
31
EDS94AYAF EN 1.0
Fig. 1−6 Contact function test − error−free input signals
A
B
C
D
AIE
SSP94SM358_2
Fig. 1−7 Contact function test − faulty input signals
A, B Safe input, channel A and channel B
C Internal valuation of the safe input
D Discrepancy monitoring
AIE Fault acknowledgement
Discrepancy monitoring active
Discrepancy monitoring − time−out
Fault acknowledgement impermissible
Fault acknowledgement permissible
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