Siemens SIRIUS 3TK2826 Manual page 47

Table 10-13 Circuit example 11: 2 x 1-channel, without cross-circuit detection,with monitored start
Table 10-14 Circuit example 12: 2 x 1-channel, without cross-circuit detection, with autostart
3TK2826 safety relay
Manual, 08/2007, GWA NEB 926 1579-02 DS 02
START
Y12 T1 Y33 T3 1
A1
Y22 T2 Y34
A2
K
1
. .
.
K
n
Y12 T1 Y33 T3 1
A1
Y22 T2 Y34
A2
K
1
. .
.
K
n
Without cross-circuit detection
•
2 NC contacts
•
2 x 1-channel
•
Monitored start
•
3TK2826-.BB4. and
•
3TK2826-.CW3.
•
DIP switch
1
0
Category in accordance with DIN
EN ISO 13849-1
Safety Integrity Level (SIL),
in accordance with IEC 61508
M / N
Without cross-circuit detection
•
2 NC contacts
•
2 x 1-channel
•
Autostart
•
3TK2826-.BB4. and
•
3TK2826-.CW3.
•
DIP switch
1
0
Category in accordance with DIN
EN ISO 13849-1
Safety Integrity Level (SIL),
in accordance with IEC 61508
M / N
10.2 Typical circuits
2 3 4 5
1 0 — 1
2 3 4 5
1 0 — 0
External circuitry
6 7 8
— — —
2
1
6 7 8
0 — —
2
1
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