fail-safe control

fail-safe control

A type of control that automatically puts the controlled device in a safe condition if the control system should ever fail. For example, if one or two circuits fail, the third takes over.
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160 m in total according to the given layout; - reading gates; - fail-safe control system (100% redundancy) for baggage-accurate sorting; - visualization (system states, 100% redundancy); - control; - flight and baggage information displays (at loading terminals); - integration in camera surveillance; - firing certificates (fsa); - roll-up doors and security closures; - coordination with the construction, Operation and the other trades; - interfaces to existing airport systems: Baggage system interface (bsi: Arinc baglink, Bsm and bpm); Airport operational database (aodb: T-systems farms; - interfaces to mrka system: Absq; Hdms by smith heimann.
Contract award: development, programming, installation and commissioning of a high fail-safe control for two vacuum systems in the research enterprise.
The actuator assembly also includes a hydraulic reserve tank used for pressure, flow control and re-injection, providing accurate positional, modulating, and fail-safe control of the larger main valve.
The G-1AMPx-LTCH latching relay output module is designed to provide fail-safe control by latching the last output contact state prior to power-down.
The PSR-FSP2/2x1 and PSR FSP/2x1 process safety relays are described by the company as safe interposing relays specifically designed to operate with fail-safe controls in process applications.
The PSR-FSP process safety relay from Phoenix Contact (Middletown, PA) is a safe coupling relay specifically designed to operate with fail-safe controls in process applications.