Lenze i550 Series - Connection Diagram

Connecon diagram
Acve sensors
STO
X1
SIA
GS
SIB
"
S1
S1 Acve sensor - example of lightgrid
Passive sensors
STO
X1
SIA
GS
SIB
"
S2
S1
X1
SIA
GS
SIB
"
S1
DC 24 V SELV/PELV
+24 V 0 V
S1 Passive sensor
S2 Safety switching device
S1 Passive sensor
Passive sensors - further examples
Emergency stop (STO) SS1c/SS1-t Emergency stop (SS1c/SS1-t)
X1
SIA
GS
SIB
"
S2
Reset
X1
SIA
GS
SIB
"
S2
S1
X3
DIx
QSP
delayed
undelayed
X1
SIA
GS
SIB
"
S2
X3
DIx
QSP
delayed
undelayed
Reset
S2 Safety switching device S1 Passive sensor
S2 Safety switching device with
delayed contacts
S2 Safety switching device with
delayed contacts
Informaon on electrical installaon
Funconal safety
Basic Safety - STO
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