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HD – 4WRZE – Proportional Directional Valve


Electrical amplifier HD-VT-VSPA1-1 and HD-VT-VSPA1K-1

Electrical Amplifier Type HD-VT-VRPA2-1X/…

  • Size-6,10
  • VT-VRPA2 Amplifier Card
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  • Suitable for controlling direct operated 4/3 propotional directional valves with electrical position feedback  type HD-4WRE, sizes 6 and 10, component series 2X.
  • Designed as printed circuit board in Euro-format 100 x 160 mm and suitable for installation in a rack.
  • Command value input.
  • Different Input ±10V
  • Four  callable command value input ±10V
  • Current input 4 to 20 Ma
  • Inversion of the internal command value signal via 24V input or by means of jumpers.
  • Characteristic curve correction by means of separately adjustable jump heights and maximum values.
  • Selection of ramp time through quadrant recognition (24V input) or ramp time call-ups (24V inputs) (option T5)
  • Changeover of the ramp time range by means of jumpers
  • Enable input
  • Output signal “ready for operation”
  • Measuring sockets that can be switched over (option T5)
  • Reverse polarity protection for voltage supply
  • Power supply unit with DC/DC converter without raised zero point.


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