Configuration / project engineering
9.2 Functions
3TK2826 safety relay
28 Manual, 08/2007, GWA NEB 926 1579-02 DS 02
9.2 Functions
Table 9-1 Factory setting
OFF Schematic DIP switch
No.
ON
Without cross-circuit detection 1 With cross-circuit detection
NC contact/NO contact evaluation 2 NC contact/NC contact evaluation
2 x 1-channel 3 1 x 2-channel
Debounce time for sensor inputs ∼ 50 ms 4 Debounce time for sensor inputs ∼ 10 ms
Autostart sensor input 5 Monitored start sensor input
Autostart cascading input 6 Monitored start cascading input
With startup testing 7 Without startup testing
Automatic startup after power failure (not
permissible in conjunction with startup testing)
8 Without automatic startup after power failure
DANGER
Automatic start after power failure
In the case of automatic startup after a power failure, the system starts without actuation of
the start button.
If the system is powered down (e.g. for maintenance work), make sure that a hazardous
state cannot arise as a result of an automatic startup when the power supply is activated
again.
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