Pilz PSSu E F BSW - Manual (Page 26)

Wiring
Operating Manual PSSu E F BSW(-T)
21372-EN-05
26
Connection example
} Block switching with dual-channel operation and redundant actuator.
} The ST output module PSSu E S 4DO 0.5 belongs to the output block of the PSSu E F
BSW module.
} The FS input module for forming the feedback loop (PSSu E F 4DI with test pulses) be-
longs to another supply group, which is not shut down.
} A maximum of Cat. 3 in accordance with EN 954-1 and SIL2 in accordance with
EN IEC 61508 can be achieved.
Connection example for block switching:
11
12
13
14
21
22
23
24
O0 O1
0 V 0 V
0 V 0 V
K2 K1
11
12
13
14
21
22
23
24
I0 I1
I4
T1 T1
T0
L1
K1
K2
M
K1
K2
PSSu E F 4DI PSSu E S 4DO 05
K4 K3
L1
K3
K4
M
K3
K4
RFK
K(n)
T0
I3
L1
...
K(n)
M
O2 O3