Siemens SIRIUS 3SK1

Table 14-2 Typical circuit 2:
Single-channel, with monitored start
$XWR
0RQLWRUHG
/
/
)6
,1
$
,1,177,177


$
4
4Q
4
0
4Q
0
• Monitored start
• 3SK1111-.AB30 Standard relay
• Sensor: 1 NC contact
Slide switch
Auto Monitored
— ON
Bottom
Up to PL in accordance with ISO 13849-1 c
Up to Safety Integrity Level (SILCL) to
IEC 62061
1
Table 14-3 Typical circuit 3:
single-channel, with autostart
/
/
)6
,1
$
,1,177,177


$
$XWR
0RQLWRUHG
4
4Q

4
0
4Q
0
* For 3SK1111-.AB30 basic unit only
• Autostart
• 3SK1111 Standard relay
• Sensor: 1 NC contact
Slide switch
Auto Monitored
ON
Top
—
Up to PL in accordance with ISO 13849-1 c
Up to Safety Integrity Level (SILCL) to
IEC 62061
1
Circuit diagrams
14.3 Typical circuits
SIRIUS 3SK1 Safety Relays and 3RQ1 Positively-Driven Coupling Relays
212 Equipment Manual, 05/2021, A5E02526190021A/RS-AE/005