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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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