Lenze E94AYAE SM301 - Manual (Page 34)

Safety engineering
Device modules
Safe inputs
1
l
34 EDS94AYAE EN 7.0
SSP94SM355
Fig. 1−5 Status behaviour − contact function test
A
B
C
D

SSP94SM358_1
Fig. 1−6 Contact function test − error−free input signals
A
B
C
D
AIE
‚ ƒ „ 
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
ƒ Fault acknowledgement impermissible
„ Fault acknowledgement permissible