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2224
 
 

2224

 

Valve controller

 

  • Front-programmable
  • mA, V, and Ω programmable input
  • Ramp times, jump values, reversal, chopper frequency, and deadband
  • 3-digit LED display shows I-valve % value
  • 1 or 2 channels
  1. Overview +

  2. Technical details +

  3. Accessories +


Advanced features

  • Multifunction user interface consisting of three pushbuttons and a 3-digit LED display.
  • All parameters are protected against unauthorized changes with a password.

Application

  • Control and regulation of single- or double-coil hydraulic and pneumatic proportional valves used for accurate oil flow regulation, linear soft acceleration and deceleration, modulated output signal, and programmable deadband.
  • Is highly suitable for joystick regulation of A/B movements.
  • Where changes to A and B need to be selected directly or according to the value of an input signal.

Technical characteristics

  • During operation the display shows the present output signal as a % of the I valve.
  • Programmable current or voltage input for standard signals acc. to order schedule, joystick / potentiometer or a special non-programmable input.
  • Digital inputs for external control functions.
  • A pulsating current output prevents the connected valve from sticking.
  • Optional programming of the modulation frequency (PWM) between 8 and 400 Hz.
  • Multiple adjustable parameters such as output currents, ramp times, jump values, chopper frequency, reversal, deadband, and ON/OFF functions.
  • Mounting for a standard 11-pole socket which can be adapted for DIN rail or plate use with PR’s 7023 adaptor and 7024 mounting keying.

Environmental Conditions

  • Operating temperature

    -20°C to +60°C

  • Relative humidity

    < 95% RH (non-cond.)

  • Protection degree

    IP50

Mechanical specifications

  • Dimensions (HxWxD)

    80.5 x 35.5 x 84.5 mm (D is without pins)

  • Weight approx.

    130 g

Common specifications

  • Supply

  • Supply voltage

    9.6...14.4 or 19.2...28.8 VDC

  • Internal power dissipation

    2 W / 24 V

    1,8 W / 12 V

  • Programming

    Front-programmable

  • Updating time

    30 ms

  • Temperature coefficient

    0.01%/°C

  • Accuracy

    Better than 0.2% of selected range

  • Linearity error

    0.2%

  • EMC immunity influence

    < 2% of span

Input specifications

  • Current input

  • Measurement range

    0...20 mA

    4...20 mA

  • Input resistance

    50 Ω + PTC (54 Ω)

  • Voltage input

  • Measurement range

    0/0.2...1 V and 0/2...10 V

  • Input resistance

    10 MΩ

  • Potentiometer input

  • Potentiometer min....max.

    0...10 V or ±10 V / 10 kΩ

  • Operation / shutdown

    PNP / 2.2 kΩ, 12 / 24 V

  • Imax.1 & Imax.2

    PNP / 2.2 kΩ, 12 / 24 V

  • A / B channel

    PNP / 2.2 kΩ, 12 / 24 V

  • Deadband

    0...99.9% of input span

Output specifications

  • Output voltage

    Supply voltage-0.5 V (max.)

  • Output power

    36 W (max.)

  • Output current

    3000 mA mean

  • Current peak

    7 A

  • Reference voltage

    10 VDC (A valve)

    ±10 VDC (A & B valve)

  • Ramp up & down

    Time 0...10.0 s

  • PWM frequency

    8...400 Hz in steps of 1 Hz

  • of span

    = of the presently selected range

Observed authority requirements

  • EMC

    2014/30/EU

  • EAC

    TR-CU 020/2011

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