Proportional Servo Valve 4WRPEH-2X

This valve 4WRPEH-2X is a direct-acting servo proportional valve with integrated digital axis controller and fieldbus interface.There are two size, namely size 6 and size 10. 4WRPEH-2X is subplate mounted. The integrated electronic components of 4WRPEH-2X compare specified control values with actual position values. Huade’s proportional servo valve has won great reputation among its customers due to high performance and lower price.

Product parameter of Proportional Servo Valve 4WRPEH-2X

Product Feature And Application of Proportional Servo Valve 4WRPEH-2X

Features:

▶Direct controlled contro1 valves NG6 and NG10 with Servo quality control piston and sleeve

▶one-sided operation, 4/4 fail-safe position in switched off

Condition:

-- Integrated digital axis control functionality (IAC-R) for:

● Volume flow control

● Position control

● Pressure control

● p/Q function

● Release position/pressure and position/

Power regulations:

●NC functionality (stand-alone operation possible)

--Analog and digital interfaces for target and actual values

● 4 x analog sensors (+/-10 V or 4..20 mA) or

● 1 x length measuring system (1Vss or SSI) and 2 analog

Sensors:

--setpoint preset/actual value feedback analog (current or voltage) or via fieldbus

-- Analog/digital inputs/outputs configurable

-- Optional CANopen, MODBUS, EtherNET/IP, EtherCAT, and PROFINET and other bus protocols can be used with mainstream PLCs, controllers, orUpper computer communication

Application:

The function of proportional servo valve 4WRPEH-2X is that integrated electronic components compare specified control values with actual position values.

Section and symbol of Proportional Directional Valve 4WRKE-3X

Structure:

Valves mainly include:

▷Direct controlled control valve with control piston and Servo quality sleeve(1)

Proportional electromagnet with valve core displacement feedback (2)

▷Integrated digital axis controller with analog and digital sensor interfaces and fieldbus connection (3)

Valve function:

In the case of control deviation, the coil is activated. Due to changes in the magnetic force of the coil . The contro1 valve core will resist the spring for adjustment. Valve spool stroke and over current cross-sectional area. Directly proportional to the instruction signal. When the preset control value is 0, the electronic element. Adjust the control valve core to resist spring force and move it to the center position. In an inactive state, The spring drives the valve core to put

it in a fail safe position.

--The motion axis controller implements the following control functions

•Volume flow control

•Position control

•Pressure/force control

•Release position/pressure and position/force control

-- The command value can be input through the analog interface (X1) or Input via bus interface X4

--The actual value can be read through the analog interface (X1) or obtained through bus interface X4

-- Control parameters can be set through the bus

--Fault diagnosis

Integrated electronic components enable control in the following fault conditions, the coil loses power and the control valve core returns to the fail safe position.

•Power Failure

•Valve core displacement sensor open circuit fault

•Communication Failure

•4-20mA command signal open circuit fault

•External displacement sensor malfunction

•External displacement sensor malfunction

Package of Proportional Directional Valve 4WRKE-3X