Many of the technical terms used throughout our website are explained in this glossary. Please select a letter of the alphabet – or choose “View All” – to browse terms and definitions.
ECL: Electronic Current Limiter
EDC: Electrical displacement control- a form of control for hydraulic fluid flow. In this method a swash plate in the hydraulic pump is controlled by a small electrical current (100 mA e.g.) which controls the hydraulic output of the pump. This method differs from other flow control techniques that vary the opening of a hydraulic valve with PWM drive current.
Electro-hydraulic: In modern hydraulic systems the flow of hydraulic fluid is controlled by means of electronic valves and pumps with the aid of electronic driver circuits. This differs from previous systems where the flow of fluid was controlled by mechanical valves.
Embedded: A term used to describe a computer program that resides in the circuit, usually in a microcontroller.
EMI: Acronym for Electro-Magnetic Interference
Encapsulation: A generic term describing the use of a liquid, poured over a circuit, that hardens into a solid. Encapsulation is used to protect circuits from environmental elements of moisture, dust, shock and static electricity. It also protects a proprietary circuit from inspection. Common forms of encapsulation are epoxies, urethanes and silicones.
ESD: Electrostatic discharge- the sudden discharge of an electric field. In electronic circuitry an ESD event of sufficient strength can damage components.
ESR: Acronym for Equivalent Series Resistance
EUT: Equipment Under Test
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