External circuitry
10.2 Typical circuits
3TK2826 safety relay
42
Manual, 08/2007, GWA NEB 926 1579-02 DS 02
Table 10-5 Circuit example 3: Safety shutdown mat operation with cross-circuit detection, with
monitored start
•
Safety shutdown mat
•
With cross-circuit detection
•
2 NC contacts
•
Monitored start
•
3TK2826-.BB4. and
•
3TK2826-.CW3.
DIP switch
1
2
3
4
5
6
7
8
1
0
0
—
1
—
—
—
Category in accordance with DIN
EN ISO 13849-1
3
Y12
T1
Y33
T3
1
Y22
T2
Y34
START
K
1
K
n
..
.
Safety Integrity Level (SIL),
in accordance with IEC 61508
2
WARNING
Prerequisites for monitoring with safety shutdown mats in accordance with DIN EN 1760-1:
•
only safety shutdown mats may be connected
•
Safety shutdown mats with cross-circuit evaluation only
•
Safety shutdown mat and cable resistance < 1000 Ω
•
4-wire system
Содержание Sirius 3TK2826
Страница 10: ...Product family 3 1 Order numbers 3TK2826 safety relay 10 Manual 08 2007 GWA NEB 926 1579 02 DS 02 ...
Страница 14: ...Functions 5 1 Functions 3TK2826 safety relay 14 Manual 08 2007 GWA NEB 926 1579 02 DS 02 ...
Страница 54: ...External circuitry 10 3 Output circuit 3TK2826 safety relay 54 Manual 08 2007 GWA NEB 926 1579 02 DS 02 ...
Страница 56: ...Commissioning 11 1 Commissioning 3TK2826 safety relay 56 Manual 08 2007 GWA NEB 926 1579 02 DS 02 ...
Страница 60: ...Technical data 12 2 Dimension drawings 3TK2826 safety relay 60 Manual 08 2007 GWA NEB 926 1579 02 DS 02 ...