I have a flow meter which takes 5 volts and delivers a pulse on its output channel of 22000 pulses per litre, from 37to 917 Hz. I have powered the sensor +5 Vdc from SP, -5 Vdc from SR & GD The output is going into Digital Channel 8.
I have set parameter 47 to 5 volts. The program I am running is:
DT=\d BEGIN"TEST" CATTN 'Spans and polynomial declarations 'Thermistor declarations 'Switches declarations 'Parameter declarations P47=5 'Global declarations RS1S 'main schedule definitions 1V 'schedule definition RA1S LOGONA GA 1V("Ultrasonic_Cm",.2) 2V("Ultrasonic_Vcc") 8C("Flow",1) END 'end of program file
It seems very similar to the question asked at https://datatakerforum.com/index.php?u=/topic/610/flow-meters, however I have already turned on the power? Can you please advise what I am doing wrong to be getting an output of 8C - 0 Counts at all times, even when the oscilloscope is showing a good pulse on the output wire leading into digital channel 8?