3-Key Input Module

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3-Key Input Module

Provides three independent key inputs supporting more control functions.

Technical Specifications

Connectivity	UART

Application Scenarios

Engineered to empower diverse industrial, metrology, and intelligent IoT scenarios.

Industrial Telemetry

CNC & PLC Remote O&M Gateway

Bridges factory PLCs and automated lines via 5G, RS485, CAN, and Ethernet to enable real-time operational telemetry, fault diagnostics, and over-the-air firmware updates.

Smart Campus & Utilities

Unattended Pumping Station & Substation Security

Combines PIR motion, sound sensors, ambient light, and audible-visual alarms for remote security alerts and automated linkage in remote substations and water stations.

Mobile Asset Tracking

Heavy Machinery & Fleet BeiDou/GPS Positioning

Ruggedized positioning and industrial communication hardware for tracking harbor machinery, mining vehicles, and heavy construction equipment with geo-fencing capabilities.

Energy Management

Workshop Utility & Carbon Footprint Monitoring

Aggregates smart electricity, water, and flow meter data into plant energy dashboards, empowering fine-grained energy saving and operational optimization.

Product Advantages

High Precision & StabilityEngineered to stringent metrological and industrial standards with exceptional repeatability and long-term durability.

IoT & Cloud EcosystemNative integration with YiOS IoT platform and WebConsole tools for remote telemetry and automated reporting.

Modular & Easy IntegrationStandardized interfaces and plug-and-play architecture significantly reduce on-site deployment and integration costs.

Model Selection Reference

Model	Product Name	Category	Description
YN-K3	3-Key Input Module	iiot	Provides three independent key inputs supporting more control functions.

Beijing YiLink Technology Co., Ltd.

Address: Room 8-808, Yard 19, Xincheng East Street, Mentougou District, Beijing

Phone: 18511281466

Email: tiandezhen@sina.com