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I have gotten some requests to write some Visual Basic applications which will communicate to a plc with an ActiveX control, eliminating the need for RSLinx just for data acquisition and minor control and monitoring. I have written some programs that accomplish this at work, but I have no idea what to charge for doing it freelance. I don't want to use my hourly pay as a reference because I don't think it is enough (who doesn't). Just a ballpark figure for central Nebraska.
Thank You.
Thank You.