Frequency trigger

The output is switched on and off depending on two frequencies which can be specified.

The threshold trigger measures the signals at input Fre. The pulses are captured across a measuring interval which can be specified. If the frequency measured within the measuring interval higher than the input frequency, the output Q is switched to Hi. Q is switched again to Lo when the measured frequency has reached the value of the output frequency or if it is lower.

Adjustable parameters

Designation Range Default value
On frequency 0.01 ... 9999 Hz 6
Off frequency 0.01 ... 9999 Hz 2
Time interval 0.001 ... 100 s 5