Bucher Hydraulics EVS-AI1-2500 Series Operating

Bucher Hydraulics EVS-AI1-2500 Series is a universal power amplifier designed for controlling proportional valves with a 4...20mA input signal. This compact device is designed for direct mounting on the solenoid and features closed-loop current control for output current independence from supply voltage and solenoid resistance variations. The EVS-AI1-2500 Series offers programmable parameters via a PC interface and the EKL-USB-LIN-1-30D-A1 programming adapter, allowing for customization of ramp times, minimum and maximum current, dither (frequency, amplitude), and PWM frequency. This amplifier is ideal for applications requiring precise control of proportional valves, particularly in hydraulic systems.

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Bucher Hydraulics EVS-AI1-2500 Series Operating Instructions | Manualzz

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Key features

  • 4...20mA input
  • Closed-loop current control
  • Compact DIN EN 175 301-803-A plug housing
  • Programmable via PC interface
  • Adjustable ramp times, current limits, dither, PWM frequency
  • M12 connector
  • IP65 protection class
  • Temperature range: -20… +65Β°C

Frequently asked questions

The EVS-AI1-2500 Series accepts a 4...20mA input signal.

The output current is controlled using a closed-loop system, making it independent of supply voltage and solenoid resistance fluctuations.

Yes, the PWM frequency can be freely adjusted within a range of 61... 2604 Hz in defined steps.

The EVS-AI1-2500 Series has an IP65 protection class, making it suitable for use in demanding environments.

The operating temperature range of the EVS-AI1-2500 Series is -20… +65Β°C.
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