Tapeswitch PRSU/M2SI, Operating Manual

Page: 7 / 9

7
10/2015 EN
Application examples with safety function 1
Application examples with safety function 2
The safety function 2 is connected as well as safety function 1, but S11  S31, S12  S32, S21  S41 and S22 
S42.
S22 S11 S12
M10757
Not-
Aus
S21
S21 S22 S11 S12
Schiebeschutztür
geschlossen
M10756
S1
S2
S22 S21 S11 S12
M10750
Fct.: E-stop (1),
with cross fault detection
SIL 3, PL e, Cat. 4 Fct.: Safety gate (2),
with cross fault detection
SIL 3, PL e, Cat. 4 Fct.: Two-hand control (3),
with cross fault detection
SIL 3, PL e, Cat. 4
Type III C to EN 574
S21 S22 S11 S12
Schaltleiste
M10754
S22 S11 S12 S12
S1
M11124
S21 S22 S11 S12
M10753
Not-
Aus
S21
Fct.: Safety mat / Safety edge / Tape-
switch (4), with cross fault detection
SIL 3, PL e, Cat. 4 Fct.: Exclusive or contacts (5),
with cross fault detection
SIL 3, PL e, Cat. 4 Fct.: E-Stop (6),
without cross fault detection
SIL 3, PL e, Cat. 4
1)
S21 S22 S11 S12
Schiebeschutztür
geschlossen
M10752
OSSD1 OSSD2
S22 S21 S11 S12
Sender
Empfänger
DC 24V
0V
M10751
Fct.: Safety gate (7),
without cross fault detection
SIL 3, PL e, Cat. 4
1)
Fct.: Light curtain (8),
without cross fault detection
SIL 3, PL e, Cat. 4
2)
1 ) To achieve the stated safety classification the wiring has to be done with crossfault monitoring.
2
) To achieve the stated safety classification light curtains with selftest (type 4) according to IEC/EN 61496-1 have to be used.