Siemens SIRIUS 3TK2826 Manual page 48

External circuitry
10.2 Typical circuits
Table 10-15 Circuit example 13: NC and NO contacts without cross-circuit detection, with monitored
Table 10-16 Circuit example 14: NC and NO contacts without cross-circuit detection, with autostart
48
start
START
A1 Y12 T1 Y33 T3 1
Y22 T2 Y34
A2
K
1
. .
.
K
n
A1 Y12 T1 Y33 T3 1
Y22 T2 Y34 A2
K
1
. .
.
K
n
Without cross-circuit detection
•
NC contact + NO contact
•
2-channel
•
Monitored start
•
3TK2826-.BB4.
•
DIP switch
1 2
0 0
Category in accordance with DIN
EN ISO 13849-1
Safety Integrity Level (SIL),
in accordance with IEC 61508
M
Without cross-circuit detection
•
NC contact + NO contact
•
2-channel
•
Autostart
•
3TK2826-.BB4.
•
DIP switch
1 2
0 0
Category in accordance with DIN
EN ISO 13849-1
Safety Integrity Level (SIL),
in accordance with IEC 61508
M
Manual, 08/2007, GWA NEB 926 1579-02 DS 02
3 4 5 6
1 — 1 —
3 4 5 6
1 — 0 0
3TK2826 safety relay
7 8
— —
3
2
7 8
— —
3
2