External circuitry
10.2 Typical circuits
3TK2826 safety relay
50 Manual, 08/2007, GWA NEB 926 1579-02 DS 02
Table 10-19 Circuit example 17: Type 4 light array, without cross-circuit detection, with monitored
start
• Without cross-circuit detection
• 2 NC contacts
• 2-channel
• Monitored start
• 3TK2826-.BB4.
DIP switch
1 2 3 4 5 6 7 8
0 1 1 — 1 — — —
Category in accordance with DIN
EN ISO 13849-1
4
67$57
< 7 < $
$ < 7
< 7
99
9
9
3(3(
9'&
0
.
.
Q
266'
266'
Safety Integrity Level (SIL),
in accordance with IEC 61508
3
Note
Wiring of the light arrays
For the exact wiring of the light arrays, please refer to the product description for the light
array.
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