Sensors for safety edges
1
2
1.
DIP switch
USA (bottom rail sensor)
configuration
2.
Sensor
These settings are only possible if the plug-in sensor for
the safety edges is fitted.
Pneumatic safety edges are tested for safety-related
reasons during every downward movement. This proc‐
ess is called testing.
1
2
3
Safety edge with 1k2 Ohm terminating resistor without testing
1
2
3
Safety edge with 1k2 Ohm terminating resistor with testing
The safety edge is tested during every closing movement: Once the
pre-limit switch is activated, the safety edge must be activated within 2
seconds (positive testing)
1
2
3
Safety edge with 8k2 Ohm terminating resistor without testing
1
2
3
Safety edge with 8k2 Ohm terminating resistor with testing
The safety edge is tested during every closing movement: Once the
pre-limit switch is activated, the safety edge must be activated within 6
seconds (positive testing)
1
2
3
Optical edge from Fraba
Note
With pneumatic safety edges (testing), a pre-limit switch (Item no.
4932 100 012 0) must always be connected.
Maintenance
This control unit is maintenance-free.
15
Summary of Contents for Beck-o-Tronic 4
Page 19: ...Declaration of conformity 19 ...
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