T/COEMA 102S-2021 Asynchronous grayscale LED display controller (card) general technical requirements

Scope

Scope: This document specifies the terms and definitions, classification, technical requirements, and testing methods for asynchronous grayscale LED display controllers, as well as packaging, transportation, and storage requirements. This document applies to asynchronous grayscale LED display controllers. It stipulates the electrical performance, interface specifications, display control functions, and technical testing methods of asynchronous grayscale LED display controllers. It serves as the main technical basis for the design, manufacture, testing, installation, acceptance, use, quality inspection, and formulation of various technical standards and technical documents for this product. This document does not apply to explosion-proof environmental requirements or other special environmental requirements. This document can be used to guide control system solutions for various graphic information release LED displays. It is suitable for the following scenarios: — LED display boards at the entrances of banks, post offices, telecom companies, and mobile service centers; — Smart traffic LED displays such as road congestion information boards, warning signs for illegal vehicles, and traffic light indicators; — Highway LED displays such as speed limit signs, variable message signs, and gantry structures; — LED displays in vehicles like buses and taxis; — Traffic guidance LED displays in high-speed rail stations, subway stations, airports, and bus stations; — LED displays for information release in lobbies of banks, hospitals, post offices, telecom companies, and government agencies; — LED displays in various business outlets such as sports lottery and welfare lottery stores and street shops; — LED displays in public service venues like community media, parking lots, and gas stations; — Environmental monitoring LED displays for dust online monitoring and weather information; — LED displays in various production line management and dispatching ce

Development Information

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