2224V103-UK 3
Valve controller
2224
• Front-programmable
• mA, V, and Ω-programmable input
• Ramp times, jump values, reversal, chopper frequency, and deadband
• 3-digit LED display shows Ivalve % value
• 1 or 2 channels
• Modulated current output for proportional valve
Applications
• Control and regulation of single or double-coil hydraulic and pneumatic proportional valves.
• The unit is 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.
Technical characteristics
• The 2224 Valve Controller is a microprocessor-based unit containing ramp functions for soft start and stop and jump
functions thus avoiding deadband at start and changes between A & B valves.
• The user interface of the valve controller consists of three pushbuttons and a 3-digit LED display. By using these, output
currents, ramp times, jump values, chopper frequency, reversal, deadband, and on/off functions are changed.
• During operation the display shows the present output signal as a % of the Ivalve.
• All parameters are protected against unauthorised changes with a password.
• Changes between A and B valves can be made in two ways. By way of function 1, the A valve is chosen when +Vsupply is
applied to terminal 2. By way of function 2, changes between A/B valves take place automatically according to the value
of the input signal (no signal on terminal 2).
• The output current is enabled / disabled by a digital controlling signal. Please note that the output current is disconnected
until +Vsupply is applied to terminal 3.
• 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.
• The internal measuring and control circuit ensures that the mean current never exceeds the entered Ivalve.
• If the peak current exceeds 7 A the output will be disabled.
Mounting
• 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
To Next Page
Loading...
Need help?
General