Parker Hannifin Corporation
Pneumatic Division Europe
www.parker.com/pde
21
Integration Guide
Siemens 3SK1112
FRL-SIF-120
_EU
Parker Pneumatic
Siemens Wiring Schematic for 3SK1112-1BB40 with PLC to Interface to
Safety Exhaust Valve
With this schematic it is possible to achieve up to category 3 PL d if properly implemented.
This schematic shows
an example of an e-stop
circuit for reference only.
External monitoring program for Siemens 3SK1112
a) sensor error : In2 <> In3 after discrepancy time at 150 ms
b) feedback error : In2 = In3 = In0 after installation discrepancy time
c) If error Reset Out 1 set error only after maintenance acknowledge
Reset function
d) IF No “feedback error” & In1
Out0 = pulse of 2 s
* Programs provided in this integration guide are for reference only. These programs have not been certified or tested
unless stated otherwise.
M12 Pinouts for P33
A
5
1
3
4
2
Sol 2
Sol 1
+
-
+
5
1
3
4
2
SW
1
SW
2
A
+
-
1 Brown
2 White
3 Blue
4 Black
5 Grey
T1
T2
IN1
IN2
INF
INK
Q1
Q2
QM1
INS
A1
A2
In0
In1
In2 In3
Safety Relay
PLC
24v + - 0v
–
RESET
+
–
+
SW 2
SW 1
2
3
1
Pressure
Sensors
Solenoid
2
Solenoid
1
B1 BROWN
B5 GREY
B3 A3
BLUE
A2 WHITE
A4 BLACK
Reset
Out0
Out1
S1
B4 BLACK
B2 WHITE
–
+
