Instrument Control (GPIB, Serial, VISA, IVI)

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DB-25 slave to Mettler M400

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I want to use PID control for a pH control loop. pH goes down, pump turn on. I have a Masterflex l/s with a DB-25 cable that I want to connect to a Mettler M400. The pH probe is already functional. I am not sure how to wire this pump for proper functionality.

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Accepted by topic author questioneronfile777

That’s definitely a question for Mettler Toledo technical support. 

Rolf Kalbermatter
My Blog
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