Pilz PSENmlock mini - Page 36

Connection to control systems and evaluation devices
Operating Manual PSENmlock mini, PSEN mlm 1 sa 1.1/2.1/2.2
1005802-EN-02-Draft
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Connecting the safety switches in a series connection
24 V 0 V
A1
A2
12
22
S21S11
FS: Failsafe
A1
A2
S31
S41
Y32
4232
12
22
12
22
A1
A2
A1
A2
Rx Tx
S21S11
I2I1
S21S11
32 42
S31
S41
4232
S31
S41
O2O1
Y1
Y32
Y1
Y32
Y1
Actuator
Safety switch
Fieldbus module
Safety control system
Safety switch
Safety switch
Actuator
Actuator
Draft