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  • Proportional Regulator Design for Control System Challenges
    Traditional electronic pressure regulators typically employ a dual on/off valve design, with both an inlet and exhaust valve. Changes in pressure are controlled by cycling the on/off valves to open and close via Pulse Width Modulation. Using Pulse Width Modulation can be problematic for control
  • Digital vs. Analog Control in Proportional Applications
    Pressure regulators are closed-loop mechanical devices that maintain a pressure setpoint in various processes within a system. They are available in mechanical or electronic versions, in digital or analog models. Although analog devices have long been the traditional choice, digital proportional
  • Ins and Outs of I/P Transducers (.pdf)
    I/P transducers are versatile instruments that use an electrical control signal to. proportionally regulate gas pressure. The most common application is in valve actuation,. but they can also be used in many other situations. As more processes become automated,. I/P's are being used more and more

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