Siemens SIRIUS 3SK1

Circuit diagrams
7.2 Typical circuits
3SK1 safety relays
114 Manual, 04/2013, A5E02526190021A/RS-AA/01
Table 7- 2 Typical circuit 2:
Single-channel, with monitored start
• Monitored start
• 3SK1111 Standard relay
• Sensor: 1 NC contact
Slide switch
Auto Monitored
— ON
bottom
Up to PL in accordance with ISO
13849-1
c
$XWR
0RQLWRUHG
/
/
)6
,1
$
,1 ,17 7 ,1 77


$
4
4Q
4
0
4Q
0
Up to Safety Integrity Level (SILCL) to
IEC 62061
1
Table 7- 3 Typical circuit 3:
single-channel, with autostart
• Autostart
• 3SK1111 Standard relay
• Sensor: 1 NC contact
Slide switch
Auto Monitored
ON
top
—
Up to PL in accordance with ISO
13849-1
c
/
/
)6
,1
$
,1 ,17 7 ,1 77


$
$XWR
0RQLWRUHG
4
4Q

4
0
4Q
0
* For 3SK1111-.AB30 basic unit only
Up to Safety Integrity Level (SILCL) to
IEC 62061
1