Functional Scope Of The 3Sk1 Basic Units - Siemens SIRIUS 3SK1 Manual

3.3

Functional scope of the 3SK1 basic units

Function
Sensors
Mechanical sensors
Non-floating sensors
Antivalent sensors
Sensor number can be increased
Parameter
Type of start (autostart/monitored start)
Sensor connection 2x single-channel /
1x two-channel
Cross-circuit detection OFF / ON
Start-up test OFF / ON
Monitoring of two-hand control units
Safety-related outputs
Instantaneous
Delayed
Expandable with relay outputs
Device connector
Rated control supply voltage
24 V DC
110 ... 240 V AC/DC
Possible using 3SK1230 power supply and device connector
1)
SIRIUS 3SK1 safety relays
Manual, 06/2018, A5E02526190021A/RS-AD/004
3SK1 Standard
Type of safety-related outputs
Relays Semiconductors
✓
✓
Not possible Not possible
Not possible Cascading only
✓
Using wiring
Using wiring
No start-up test
Not possible Not possible
✓
None None
Using wiring Using wiring
Cannot be used Cannot be used
✓
✓ Not possible
Product overview for 3SK1
3.3 Functional scope of the 3SK1 basic units
3SK1 Advanced
Relays
✓ ✓
✓ ✓
✓
✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓
✓ ✓
✓
✓
✓
✓ ✓
✓
1)
Semiconductors
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
1)
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