ETDR-0101A PROGRAMMED CONTROLLER

***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 4204810 (4204810) is a compact, plugin-style, microprocessor-based valve driver tailored for hydraulic proportional valve applications, including clutch engagement, hot shot coil saver, and soft start motor operations. This device is particularly suited for timer-based applications where no input or only an input to start a timer is required. The ETDRA model drives a single coil following a user-defined timing profile that can be configured via the HFImpulse software tool, which is freely downloadable. The device operates by using a digital input to initiate the timing sequence. Throughout the sequence, the output adheres to the predefined metering profile to ensure optimal system response. Users can set up to six distinct time periods with corresponding output currents. Additionally, the driver incorporates a ramping feature that activates when the digital input is turned off. For safety and reliability, built-in diagnostics are included to detect fault conditions such as under-voltage or circuit errors, automatically switching the output off to prevent damage. An LED output indicator provides real-time status and diagnostic feedback. The controller defaults to a safe mode ("valve off") if any input drops below 0.5 Vdc or in case of circuit discrepancies. Moreover, Hydraforce's ETDRA controller offers multiple configurations tailored for specific applications such as general purposes (EVDRA), transmission applications (ETDRA), and generator control (EGDRA), allowing users to select the variant that best fits their operational needs.