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Recent content by okidataman

  1. okidataman

    4-20mA 3-15psi ?

    http://www.sea.siemens.com/instrbu/docs/pdf/77%20&%20771.pdf I understand the pros and cons of using electronics to control pneumatics from the perspective of a control technican and that of an operating engineer. If all else fails, the watch engineer can pull off the control devices and...
  2. okidataman

    Variable Freq Drive on a Fan?

    I don't have a quick and easy answer, but I did find some interesting links. I am reading them myself. http://www.saftronics.com/pdf_fils/CaseStudy/CS_VFD_001.pdf...

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