Table of Contents
Advertisement
Kollmorgen
6.9.9.2
Control circuit single channel SIL CL2/PLd (example)
The example shows a circuit diagram with one axis connected to an emergency stop cir-
cuit. The STO of the drives is switched by a protective screen. A single channel switch-off
is used. The safety switch gears used in the example are manufactured by Pilz and fulfill
at least the PLd acc. to ISO 13849-1. Further information to the safety switch gears is
available from Pilz. The use of safety switch gears of other manufacturers is possible, if
these also fulfill the SIL CL 2 according to IEC 62061 and PLd according to ISO 13849-1.
+24VDC
0V
Consider the wiring instructions on page 39.
S748-S772 Instructions Manual
11/2018
-S2
E-Stop
K1
A1
S11
S12
S21
S22
PNOZ S3
A2
S12
S34
13
-S1
14
Reset
Safety function STO, SIL CL2 / PLd, single channel, 1 drive
F2
K3
A1
S11
S12
S21
S22 13
PNOZ S3
A2
S12
S34
14
Technical description
BTB
F1
14
15
K2
13
23
A1
14
24
A2
S3
23
24
S4
Emergency-stop circuit
acc. to ISO 13849-1
PLe
Y1
Y2
Mains
contactor
X4
X4
5
X3B
14
X4
7
BTB
15
X4
43
Advertisement
Table of Contents
