Siemens SIRIUS 3TK2826 Manual page 46

External circuitry
10.2 Typical circuits
Table 10-11 Circuit example 9: 2 x 1-channel, without cross-circuit detection,with monitored start
Table 10-12 Circuit example 10: 2 x 1-channel, without cross-circuit detection, with autostart
46
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
•
2 NC contacts
•
2 x 1-channel
•
Monitored start
•
3TK2826-.BB4.
•
DIP switch
1 2
0 1
Category in accordance with DIN
EN ISO 13849-1:
Safety Integrity Level (SIL),
in accordance with IEC 61508:
M
Without cross-circuit detection
•
2 NC contacts
•
2 x 1-channel
•
Autostart
•
3TK2826-.BB4.
•
DIP switch
1 2
0 1
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
0 — 1 —
3 4 5 6
0 — 0 0
3TK2826 safety relay
7 8
— —
2
1
7 8
— —
2
1