13.3.2
Input expansions
13.3.2.1
Technical data for input expansion 3SK1220
Insulation voltage rated value
Resistance against shock
Number of sensor inputs 1-channel or 2-channel
Type of the safety-related wiring of the inputs
Product feature transverse contact-secure
Safety Integrity Level (SIL) according to IEC 61508
SIL claim limit (for a subsystem) according to EN 62061
Performance level (PL) according to ISO 13849-1
Category according to ISO 13849-1
T1 value for proof test interval or service life according to
IEC 61508
Safety device type according to IEC 61508-2
Number of outputs as contact-affected switching element
as NC contact for reporting function instantaneous switching
•
as NO contact for reporting function instantaneous switching
•
as NC contact for reporting function delayed switching
•
as NO contact for reporting function delayed switching
•
as NC contact safety-related instantaneous switching
•
as NO contact safety-related instantaneous switching
•
as NC contact safety-related delayed switching
•
as NO contact safety-related delayed switching
•
Stop category according to DIN EN 60204-1
Design of the input start input
Design of the electrical connection jumper socket
Operating cycles maximum
3SK1 safety relays
Manual, 04/2013, A5E02526190021A/RS-AA/01
13.3 Expansion modules
3SK1220-.....
V
50
10g / 11 ms
1
single-channel and two-channel
Yes
SIL3
3
e
4
a
20
Type B
0
0
0
0
0
0
0
0
0
Yes
No
1/h
—
Technical data
237