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All signals of sensors that are used to check device functions. Test signals are also all signals routed over interfaces to monitor the operating status of the device, e.g. actual value, solenoid curr

Static pressure above the calculated pressure to check a device or system under defined conditions. There must be no long-lasting malformation, damage or incorrect functioning (DIN 24 311).

Workflow control with step enabling conditions that are only dependent on signals from the controlled system (process) (DIN 19 237). The process-dependent workflow control – previously known as "seque

Agreements and regulations to ensure the safe and uninterrupted transfer of information between functional groups of an EDVA in accordance with the required functions. Minutes contain specifications o

Electronic control amplifier for proportional valves ; often installed on a European circuit board . A specific electronic amplifier card is allocated to a specific type of proportional device: valves

Continuously adjustable pressure , flow and directional valves which convert an adjustable input signal into a proportional hydraulic or pneumatic output signal and are generally actuated by a proport

In a broader sense, proportional control technology is a collective term for all the various uses of continuously adjustable valves and also therefore of servo valves. On a day-to-day basis, however,

DC solenoid with an almost horizontal force-stroke characteristic curve in the operating range and which can be controlled in proportion to voltage or current ( Figure P 19 ). The latter is preferred

International grouping of specialist associations (e.g. VDE) for the purpose of standardising terminology, components and regulations within the field of electrical engineering.

Process of searching for a mathematical model for an actual system which provides a satisfactory description of its stationary and dynamic characteristics. This makes it necessary to define the struct