Siemens SIRIUS 3TK2826 Manual page 29

Table 9-2 Setting for safety shutdown mat operation
OFF
—
Debounce time for sensor inputs ∼ 50 ms
Autostart cascading input
Automatic startup after power failure (not
permissible in conjunction with startup testing)
Prerequisites for monitoring with safety shutdown mats in accordance with DIN EN 1760-1
• only safety shutdown mats may be connected
• Safety shutdown mats with cross-circuit evaluation only
• Safety shutdown mat and cable resistance < 1000 Ω
• 4-wire system
Switch settings that are not permitted:
● Without cross-circuit detection, in combination with safety shutdown mat operation
● With startup testing and simultaneous automatic startup after power failure
3TK2826 safety relay
Manual, 08/2007, GWA NEB 926 1579-02 DS 02
Schematic
Autostart sensor input
With startup testing
WARNING
(DIP switches 1, 2 and 3 are OFF).
(DIP switches 7 and 8 are OFF)
Configuration / project engineering
DIP switch ON
No.
1
Safety shutdown mat operation
2
3
4 Debounce time for sensor inputs ∼ 10 ms
5 Monitored start sensor input
6 Monitored start cascading input
7 Without startup testing
8 Without automatic startup after power failure
9.2 Functions
29