HYDRAFORCE
EVDR-0101A
4204830

***Disclaimer: The following summary contains information gathered from various sources such as product descriptions, technical specifications and catalogs. While efforts have been made to provide accurate details, inaccuracies may occur. It is advised to verify all information by contacting Hydraforce directly.***
The Hydraforce EVDR-0101A (4204830) is a compact, plug-in style, microprocessor-based valve driver specifically designed for hydraulic proportional valve applications. This innovative device is capable of driving a single coil to a user-defined metering profile, which can be either a straight-line or multi-sloped output, tailored according to specific system requirements. The customization of the metering profile is facilitated by HFImpulse software, an intuitive tool that enhances the device's flexibility and functionality. The EVDR-0101A operates by receiving input from commonly utilized analog or digital operator interface devices such as joysticks, potentiometers, and sensors. This input signal precisely drives the output current to ensure accurate and proportional metering of the hydraulic valve. The system's response is optimized as the output seamlessly follows the changes in the input according to the predefined metering profile. In terms of diagnostics and safety features, the EVDR-0101A is equipped with built-in diagnostics that promptly detect any fault conditions, such as input signals below 0.5 Vdc or any short or open circuit conditions. These faults trigger an automatic deactivation of the output, shifting the device into a safe mode where the valve remains off until standard operation can be resumed once faults are rectified. Additionally, this model boasts an LED output indicator on its front panel for real-time status reporting and comes in multiple personalities like EGDRA for generator applications and ETDRA for transmission-clutch profile applications. This versatility makes it suitable for a wide range of specialized applications beyond general-purpose valve driving tasks. Each variant can be configured using HFImpulse software to best meet specific application needs.