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Found 3 results

  1. Hi all. For a few years, I have been using the HSC frequency measurement on the V350. My program uses the example that was given by Unitronics and I have not altered it much. Suddenly, my programs have stopped working when I download them to a new PLC. The HSC behaves unusual and gives me false readings. My program is to control micro water turbines and it uses HSC to measure the frequency of the generator. I am using a simple frequency converter that gives me pulses into my HSCO port. The pulses are 50Hz and I confirm using a digital meter that the input receives 50Hz.
  2. Good Morning All, I'm having a little difficulty with magnetic pickups. I have a V700 With the expansion adapter and two modules - the IO AI8 and a DI8 R04. I have an external 2-wire magnetic pickup that generates a sine wave Frequency with an amplitude of 1V+/- Based on the flow through a pipe with a turbine in it. In the wiring diagram, each counter/frequency shows a minimum of three wires at the pickup. Looking for guidance for how to wire this module in with the two wire pickup as described above... Any help is appreciated
  3. Hello together, i try to measure the Speed of Rotation (between 1000 1/min and 8000 1/min) with a Samba SM43-J-TA22 and an capacitiv sensor with one srew on the Motor shaft. When i use the High Speed Input in the Hardware Configuration (Frequency Measurment 1000msec) i have an very bad Resolution (Value 16 * 60 = 960 and next Value 17 *60 =1020). I've tried to use the "Freq<- HSC" building block, but it doens't work with my values. For example im not sure what i have to chose for the Channel A, because I can chose HSC 0, HSC1 and HSC2 there but I only have two HS channels o
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