HEIDENHAIN PWM 8 - Manual (Page 16)

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Clearing the UNIVERSAL COUNTER:
The UNIVERSAL COUNTER is cleared by pressing the soft key a second time.
Frequency counter:
The frequency counter operates up to a frequency of 2 MHz.
The frequency is derived from the incremental signal 1.
4.3 PWM 8 MODE: DETERMINE PULSE NUMBER with Frequency Display
The MODE DETERMINE PULSE NUMBER is intended to find the pulse count of a rotary encoder.
The parameter P5: EDGE EVALUATION is automatically set to 1-fold, the parameter
P6: COUNTING MODE to 0-1-2!
MODE DETERMINE PULSE NUMBER
Pulse number (line count)
Frequency display
Proceeding to determine the pulse count:
Each time "DETERMINE PULSE NUMBER" is activated, the pulse counter is reset, i.e. the
next reference signal starts the counter, the next but one stops it. This function can be of use e.g. when
operating with measuring systems with distance-coded reference marks.
First reference signal starts the pulse counter
Break of approx. 1 second (= display time of the pulse count)
Display of intermediate pulse counts
Next reference signal stops the pulse counter
Display of the pulse count