# EdgeBus equipment retrofits — ManThink > Connect existing equipment with data collectors and the lightweight EdgeBus JavaScript VM. Develop acquisition logic with AI assistance and link applications over LoRaWAN. Canonical: https://www.manthink.cn/en/edgebus/ EDGEBUS / PROGRAMMABLE ACQUISITION FOR EXISTING EQUIPMENT Connect existing interfaces with collectors. Adapt device protocols with EdgeBus / JS. Bring working instruments and sensors into AI-powered IoT applications. [Choose a collector ↗](https://www.manthink.cn/en/products/collectors/) [EdgeBus technical details](https://www.think-link.net/zh/edgebus/) [Integrated devices ↓](https://www.manthink.cn/en/edgebus/#integrated-devices) ![Example of on-site piping and instruments](https://www.manthink.cn/assets/legacy-instruments.jpg) Keep existing equipment · Check outputs and protocols first ![KC21 IP65 RS-485 collector — product image](https://www.manthink.cn/assets/kc21.png) KC21 / EdgeBus FEATURED EDGEBUS / KC25 ## Compact in the cabinet. Open to your protocols with JS. DIN-rail RS-485 collector with the lightweight EdgeBus JS virtual machine. From standard to custom protocols, connect existing equipment to LoRaWAN. DIN-rail mounting 69 × 25 × 25 mm DC 5–24 V [Discover KC25 ↗](https://www.manthink.cn/en/products/collectors/kc25/) [Explore other interfaces ↗](https://www.manthink.cn/en/products/collectors/) Use JavaScript to implement acquisition and parsing for protocols on the RS-485 interface. ![KC25 Compact DIN-rail RS-485 EdgeBus collector](https://www.manthink.cn/assets/kc25.jpg) **RS-485** Connect existing equipment **JS** Programmable protocols **LoRaWAN** Wireless data to the platform FROM FIELD TO APPLICATION ## The right product for every step, from field to application. ![Example field instruments](https://www.manthink.cn/assets/legacy-instruments.jpg) 01 / EXISTING EQUIPMENT ### Keep the instruments in place Check output interfaces, device addresses and protocols. ![KC25 DIN-rail RS-485 collector — product image](https://www.manthink.cn/assets/kc25.jpg) 02 / ACQUIRE & PROCESS ### Collector + EdgeBus Run JS acquisition logic to parse, convert and aggregate data. ![GD61 Indoor LoRaWAN gateway — product image](https://www.manthink.cn/assets/gd61.png) 03 / WIRELESS ACCESS ### LoRaWAN gateways Deliver wireless sensor data to the network and application platform. ![ThinkLink micro-app demo](https://www.manthink.cn/assets/thinklink-shared-demo.png) 04 / APPLICATIONS & OPERATIONS ### ThinkLink From data and alerts to AI operations and micro-apps. AI + JAVASCRIPT ## Develop with AI. Execute on the device with EdgeBus. A lightweight JavaScript VM lets acquisition logic adapt to your site. 01 / ADAPT ### Adapt field protocols Write, review and debug acquisition programs against device protocols and existing instrument data formats. 02 / PROCESS ### Process data at the edge Validate, convert, aggregate and report changes on the collector, shaping wireless payloads to your needs. 03 / EVOLVE ### Evolve with your application Adjust parameters and sampling intervals or update programs within device and firmware capabilities. ALREADY CONNECTED / Integrated devices ## Already connected with EdgeBus. From utility meters and industrial sensors to building and agricultural equipment. Find integration notes by model and protocol to start your retrofit. [View all integrated devices](https://www.think-link.net/zh/devices/) ![ZENNER DN25 / DN40 water meter — reference image](https://www.manthink.cn/assets/integrated-21121.webp) Utility metering ### ZENNER DN25 / DN40 Water meter - **Protocol**: Modbus RTU Read integration documentation [Utility meteringZENNER DN25 / DN40Water meterProtocolModbus RTURead integration documentation ↗](https://www.think-link.net/docs/zh/Integration/Device/meter/KC21-21121-ZENNER.html) ![DDZY2397 Single-phase smart meter with tariff control — reference image](https://www.manthink.cn/assets/integrated-23114.webp) Utility metering ### DDZY2397 Single-phase smart meter with tariff control - **Protocol**: DL/T 645 Read integration documentation [Utility meteringDDZY2397Single-phase smart meter with tariff controlProtocolDL/T 645Read integration documentation ↗](https://www.think-link.net/docs/zh/Integration/Device/meter/23114-DDZY2397.html) ![T100 Industrial temperature sensor — reference image](https://www.manthink.cn/assets/integrated-22105.webp) Industrial sensing ### T100 Industrial temperature sensor - **Protocol**: Modbus RTU Read integration documentation [Industrial sensingT100Industrial temperature sensorProtocolModbus RTURead integration documentation ↗](https://www.think-link.net/docs/zh/Integration/Device/Industry/22105-T100.html) ![DYP-A17 ultrasonic level sensor — reference image](https://www.manthink.cn/assets/integrated-22112.webp) Industrial sensing ### DYP-A17 Ultrasonic level sensor - **Protocol**: Modbus RTU Read integration documentation [Industrial sensingDYP-A17Ultrasonic level sensorProtocolModbus RTURead integration documentation ↗](https://www.think-link.net/docs/zh/Integration/Device/Industry/22112-A17.html) ![UMTH4 Temperature and humidity transmitter — reference image](https://www.manthink.cn/assets/integrated-21311.webp) Building environment ### UMTH4 Temperature and humidity transmitter - **Protocol**: Modbus RTU Read integration documentation [Building environmentUMTH4Temperature and humidity transmitterProtocolModbus RTURead integration documentation ↗](https://www.think-link.net/docs/zh/Integration/Device/BMS/21311-UMTH4.html) ![BGT-SMPS multi-parameter soil sensor — reference image](https://www.manthink.cn/assets/integrated-25101.webp) Smart agriculture ### BGT-SMPS Multi-parameter soil sensor - **Protocol**: Modbus RTU Read integration documentation [Smart agricultureBGT-SMPSMulti-parameter soil sensorProtocolModbus RTURead integration documentation ↗](https://www.think-link.net/docs/zh/Integration/Device/Agriculture/25101-BGT-SMPS.html) Selected third-party integrations. See the documentation for models, wiring and adapters; the full list is maintained on the ThinkLink website. START WITH YOUR INTERFACE ## Start with the interface you already have. **RS-485** KC21 · KC25 View collectors ↗ [RS-485KC21 · KC25View collectors ↗](https://www.manthink.cn/en/products/collectors/?signal=rs485) **M-Bus** KC22 View collectors ↗ [M-BusKC22View collectors ↗](https://www.manthink.cn/en/products/collectors/?signal=mbus) **Infrared** MC11 View collectors ↗ [InfraredMC11View collectors ↗](https://www.manthink.cn/en/products/collectors/?signal=infrared) **DI / 4–20 mA / 0–10 V inputs** Choose KS32 / KS31 signal-acquisition products according to the input type. [Analog-input products ↗](https://www.manthink.cn/en/products/sensors/ks31/) [Dry-contact products ↗](https://www.manthink.cn/en/products/sensors/ks32/) A supported interface does not guarantee protocol compatibility. Check device protocols, acquisition software, power and firmware. Mechanical instruments need an accessible signal output. THE NEXT CONNECTION / APPLICATIONS START HERE ## Once your devices are connected, let ThinkLink take it from there. A general-purpose, AI-powered IoT platform with native LoRaWAN. LoRaWAN / 4G connectivity, AI operations and micro-app development. Free self-hosting, one-command installation and customizable branding. [Get the install command ↓](https://www.manthink.cn/en/#thinklink-deploy) [Discover ThinkLink](https://www.think-link.net/zh/) [ThinkLink App](https://www.think-link.net/zh/mobile/thinklink/) [TapLink](https://www.think-link.net/zh/mobile/taplink/) [![Snapshot of a ThinkLink building micro-app demo](https://www.manthink.cn/assets/thinklink-shared-demo.png) Micro-app demo · Try it online ↗](https://thinklink.manthink.cn/tkl-dashboard-web/#/custom-page-share/demo/91vpc9x9mqsx75ii) Find products that fit your site. ## Tell us about your interfaces, power and installation. [Ask about selection ↗](mailto:info@manthink.cn?subject=ManThink+product+selection+inquiry)