Siemens Sirius 3TK2826 - Page 47

External circuitry
10.2 Typical circuits
3TK2826 safety relay
Manual, 08/2007, GWA NEB 926 1579-02 DS 02
47
Table 10-13 Circuit example 11: 2 x 1-channel, without cross-circuit detection,with monitored start
• Without cross-circuit detection
• 2 NC contacts
• 2 x 1-channel
• Monitored start
• 3TK2826-.BB4. and
• 3TK2826-.CW3.
DIP switch
1 2 3 4 5 6 7 8
0 1 0 — 1 — — —
Category in accordance with DIN
EN ISO 13849-1
2
START
9$&'&
Y12 T1 Y33 T3 1
Y22 T2 Y34
A2
M / N
A1
K
1
K
n
.
.
.
Safety Integrity Level (SIL),
in accordance with IEC 61508
1
Table 10-14 Circuit example 12: 2 x 1-channel, without cross-circuit detection, with autostart
• Without cross-circuit detection
• 2 NC contacts
• 2 x 1-channel
• Autostart
• 3TK2826-.BB4. and
• 3TK2826-.CW3.
DIP switch
1 2 3 4 5 6 7 8
0 1 0 — 0 0 — —
Category in accordance with DIN
EN ISO 13849-1
2
9$&'&
Y12 T1 Y33 T3 1
Y22 T2 Y34
A2
M / N
A1
K
1
K
n
.
.
.
Safety Integrity Level (SIL),
in accordance with IEC 61508
1