The ESD Control System integrates an electronic microprocessor-based controller with an electrohydraulic pump allowing for the remote operation of a hydraulically actuated valve or system of valves.
General Purpose or Remote Mounted outside Area Classification
Volta ESD Electro-Hydraulic Control Systems come standard with HMI Interface.
Switch from Remote to Manual/Local Operation with a push of a button.
View Telemetry Data, Actuator, Hydraulic Pressure and Control System Data
Volta-D2 is packed with the same features as our NEMA 4 unit. Volta "D2" is s suitable for Class 1, Div. 2 environments.
-Optional Class 1, Div. 1 Available
The Larger Secondary Enclosure Houses the Explosion-Proof Motor, LiFePo Battery or Batteries, Terminal Blocks, Wiring Duct and Battery Bracket.
All Volta "D2" Units Come Equipped with Non-Venting Batteries and Brushless DC Motors.
Volta "D2" Includes a Viewable, HMI Screen Through Explosion-Proof Glass as well as C1D2 Buttons for Full Functionality and Manual Operation without Opening the Enclosure.
The Small Enclosure Houses our Microprocessor, Solid State Relay, Terminal Blocks, Fuses, Charge Controller.
Continuous monitoring and recording
of numerous parameters including valve position, hydraulic actuator pressure, and battery voltage. Partial stroke testing ensures reliability. The system is designed to allow the operator to read all inputs on the system locally as well as remotely via Modbus protocol.
Monitoring of the actuator pressure allows the system to adjust for pressure decreases due to temperature swings, automatically increasing the pressure and eliminating what is known as “valve creep” or false trips.
ESD Control System has 2 additional 4-20mA or 1-5V inputs, along with 8 digital inputs available for line pressure monitoring and other sensor inputs including limit switches, pressure transducers, temperature transmitters or level sensors. Addon Expansion Module Available.
Both the real-time data of the valve
position and the system diagnostics are transferred via SCADA with the Modbus equipment, or Addon Telemetry Package.
The low-power system operates on an internal 12-volt battery that is easily recharged using on-site power if available or solar panels for remote locations. Charging supply can be 12Vdc, 24Vdc, 120Vac, 220Vac, 480Vac or Self-Contained Solar.
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