relay control system

relay control system

[′rē‚lā kən′trōl ‚sis·təm]
(control systems)
A control system in which the error signal must reach a certain value before the controller reacts to it, so that the control action is discontinuous in amplitude.
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References in periodicals archive ?
The standard equipment package includes a screw, a control cabinet based on a relay control system (SecuRe) and a mobile, digital operator terminal.
The V-6030HD features a side-mounted power unit for easy maintenance access and a front access panel box as well as a programmable smart relay control system to provide diagnostic and troubleshooting assistance.
contract 2: schedule 2: 1) electrical improvements analyze existing relay control system and create description and diagram of plant operation.
Project Description : Old relay control systems will be replaced with programmable logic controller-based ones
In more recent years, elevator relay control systems have gone to solid state.
It will upgrade old relay control systems to Programmable Logic Controller (PLC)-based ones