SMART & REAL TIME DIGITAL CONTROL

The digital electronic control unit EL 7 goes beyond the limits of the current state of the art.

It is designed to control single or double solenoid hydraulic valves in an open control loop without feedback.

EL7 is the perfect solution for all sizes and types of proportional valves, offering the industry more resistance and measurement reliability than ever before through its features and excellent performance.

The digital electronic control unit is designed to control single or double solenoid hydraulic valves in a open control loop without feedback. The
advantage is a miniature design in the form of DIN connector plug and easy mounting on the valve. The ECU for single solenoid valve is simply mounted on the socket of connector EN 175301-803-A of solenoid coil. The ECU for double solenoid valve is connected to the connector plug of the
second coil with a cable. A five-pin connector with the thread M12x1 is used for voltage supply of ECU in the range 9 …. 32 V DC and a transfer
of input command signal. Parameter setting, such as selecting the type of input command signal, setting the ramp function or PWM frequency
of output control signal, is performed via Bluetooth in the application designed for installation on android and iOS. The application also enables
parameter monitoring, which is advantageous especially in installing or servicing the equipment. The coil control with PWM signal reduces energy
consumption, coil heating, hysteresis and increases the control accuracy.

Technical Features
› Digital electronic control unit in the form of DIN connector plug designed to control
of single or double solenoid hydraulic valves
› Wide range of supply voltage from 9 up to 32 V DC
› Easy parameter setting via Bluetooth – class 2
› Android + iOS application for parameter setting and monitoring, also suitable for
servicing
› Controlled by analogue input command signal or by connection to CAN bus line
(protocol EN 50325-4 + DS408)
› Optional type of input command signal
› Wide setting range of frequency 80 … 1000 Hz of PWM output control signal to
solenoid coil
› Amplitude and frequency of dither are adjustable separately for each solenoid
(at the fixed PWM frequency 15 kHz)
› Resistant to interferences, electrostatic discharge and quick transiens
› Resistant to mechanical shocks and vibrations
› Flexible and reliable function of system achieved by using a fast 32-bit
ultra-low-power processor
› The 12-bit A/D converter assures high resolution and accuracy conversion of input
command signal

Up to 9 different analog input signals or CANOpen, easily parametrizable through Bluetooth by ARGO-HYTOS mobile applicationIndependent from valve producer: Suitable for single or double solenoid proportional valves of all sizes and types including bipolar solenoid as wellHigh protection standard: Outstanding environmental and IP67 protectionReal-time direct control of input signal, custom PID regulation and PWM or Dither output functionalities up to 1kHzPassword protected to avoid any unwanted manipulationDiagnostics, analysis and system log function for maximum awareness of system behavior