richlinares Posted November 5, 2015 Report Share Posted November 5, 2015 Hello, I am new to this forum. I am working with an sm35-j-r20 oplc and would like to configure a HSC to accept pulses from a turbine flowmeter. the oplc is setup for pnp inputs but i believe the pickup i have is npn. which high speed counter wiring diagram should i follow pnp or npn? how would the hardware setup need to be configured to accept this count? thank you, Ricardo L. Link to comment Share on other sites More sharing options...
MVP 2023 Joe Tauser Posted November 10, 2015 MVP 2023 Report Share Posted November 10, 2015 Um.. didn't you answer your own question on which type of input to use? Are you trying to mix pnp and npn inputs on the same system. As far as hardware setup, post your code as to what you've tried so far and we can fix it. Joe T. Link to comment Share on other sites More sharing options...
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