Actuator wiring up to PL c / Cat. 2 in accordance with ISO 13849-1 or SILCL 1 in accordance with
IEC 62061
Figure 4-5 PL c / Cat. 2 in accordance with ISO 13849-1 or SILCL 1 in accordance with IEC 62061
Actuator wiring up to PL e / Cat. 4 in accordance with ISO 13849-1 or SILCL 3 in accordance with
IEC 62061
13
23
14 24
Q1
Q2
Q2
4๎
4๎
0
A1
Qx
Q1
Figure 4-6 PL e/Cat. 4 in accordance with ISO 13849-1 or SILCL 3 in accordance with IEC 62061With
units that have semiconductor outputs, this wiring is only possible from E02/V1.1.0
WARNING
PL e/Cat. 4 in accordance with ISO 13849-1 or SILCL 3 in accordance with IEC 62061 can only
be achieved with cross-circuit-proof/short-circuit to P-proof laying of the control cables from
the relay output (e.g. 14) to the control relays/contactors (Q1 and Q2) (e.g. as a separately
sheathed cable or in its own cable duct).
Note
In the case of 3SK1..2 and 3SK1120 (devices with semiconductor outputs with ๓นชrmware (FW)
version V1.0.0 and product version E01) it is not possible to achieve PL d/e/Cat. 3/4 in accordance
with ISO 13849-1 or SILCL 2/3 in accordance with IEC 62061 with the wiring shown above.
Safety systems - General information
4.3 Basic terminology
SIRIUS 3SK1 Safety Relays and 3RQ1 Positively-Driven Coupling Relays
Equipment Manual, 05/2021, A5E02526190021A/RS-AE/005 49
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