Use of safety controllers

The switch-off test pulse of the used safe digital outputs (F-DO) must be ≤ 1 ms and another switch-off test pulse must only occur 2 ms later at the earliest.

[1]

High

[2]

Low

 

INFORMATION

If the safety-related control voltage at X6 is switched off (STO activated), you must observe the chapter "Requirements for the external safety controller" with regard to the test pulses.

INFORMATION

If STO_1+ and STO_2+ are connected to DC 24 V and the STO_M connection is connected to 0V24, STO is deactivated.