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SMC Type Valve Positioner

  • IP8100 Electro Pneumatic Valve Positioner
  • IP8100 Electro Pneumatic Valve Positioner
  • IP8100 Electro Pneumatic Valve Positioner
  • IP8100 Electro Pneumatic Valve Positioner
  • IP8100 Electro Pneumatic Valve Positioner
IP8100 Electro Pneumatic Valve PositionerIP8100 Electro Pneumatic Valve PositionerIP8100 Electro Pneumatic Valve PositionerIP8100 Electro Pneumatic Valve PositionerIP8100 Electro Pneumatic Valve Positioner

IP8100 Electro Pneumatic Valve Positioner

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IP8100 Electro Pneumatic Valve Positioner-Data Sheet (PDF Download)

The IP8100, Electro-Pneumatic Positioner, Rotary type. Output current (4-20mADC) realizes remote position detection. External scale plate is installed for easy reading of valve position. The pressure gauge diameter is increased to large size for easy reading. Interchangeable with IP6#00 series.


  • The electro pneumatic valve positioner is the main attachment of the control valve. It uses the valve stem displacement signal as the input feedback measurement signal, and the controller output signal is used as a set signal. When the two have deviation, it changes its to the actuator The output signal enables the actuator to establish a correspondence between the valve bar transition and the controller output signal. Therefore, the valve positioner consists of displacement of the valve stem to the measurement signal, and the controller is output to the feedback control system of the set signal. The control system's manipulation variable is the output signal of the valve positioner to the actuator.
    What is the working principle and role of the electro pneumatic valve positioner?
    The valve positioner is a major attachment mounted on a pneumatic regulator. The valve positioner receives the signal of the regulator, converts the electronically controlled command into a gas positioning increment to drive the pneumatic actuator, realize the valve bit control; at the same time, the valve positioner The microprocessor receives 4-20mA set value signals, comparing with the actual valve position feedback of the valve position sensor, if the deviation is detected, immediately output one instruction according to the size and direction of the deviation, adjust the entered the actuator chamber Air traffic, that is, the control valve converts the control command to pneumatic displacement increments. When the actual valve bit is large (high speed zone), the positioner outputs a continuous signal; if the deviation is not large (low speed zone), the positioner will output a pulse signal; when the deviation is small (adaptive or adjustable) The dead zone state), there is no positioner output. At this time, the actual valve position reaches the set value, the mechanism reaches a balanced state, that is, a certain set current corresponds to a certain valve position.