Safety engineering
Device modules
SM301 safety module
1
25
EDS94AYAE EN 6.0
1.2.3.5 Example circuit
AIS
GCL
GI3
I3B
I3A
AIS
GO
24O
GO
O1B
O1A
GCL
GI4
I4B
I4A
GCL
GI2
I2B
I2A
GCL
GI1
I1A
I1B
AIE
-
+
CLA
CLB
S4
S3
S1
S2
X82.1 X82.2
X82.3
X82.4
SM301
E94AYAE
24 V ext.
K
SSP94SM360
Fig. 1−3 Wiring example
E94AYAE SM301 safety module
S1
passive sensor with channel A and B
S2
S3 higher−level safety control (active sensor)
S4 lightgrid (active sensor)
24 V ext. 24−V voltage supply of the module (SELV/PELV)
24−V voltage supply of the output (SELV/PELV)
safe output to higher−level safety control
K to AIS of the next module