The SRNE CU is the intelligent core of your Motorhome, camper van or off-grid power system, designed to coordinate and manage communication between SRNE devices such as the DB12 DC distribution box, RMA4, RMA7 LCD display, and other compatible SRNE modules such as MPPT's, DC/DC Chargers, Inverters and Inverter/chargers. It ensures seamless integration and efficient control of your entire DC power network. In addition, the SRNE CU Data controller will monitor temperature sensors and tank sensors such as clean water, grey water and diesel levels. All information is available via the RMA4 or RMA7 touchscreen, Android or IOS app via bluetooth or Wifi for remote control. With Wifi integration you can monitor all aspects of your system remotely as well as switching on/off different DC circuits at required. i.e switch lights on remotely. Key Features Centralised System Control: Acts as the communication hub for SRNE’s smart RV ecosystem, linking DC loads, battery systems, inverters, and user interfaces. Stable Data Communication: Supports RS485 and CAN (RV-C protocol) interfaces for reliable and synchronised data transfer between devices. Enhanced System Protection: Monitors voltage, current, and load status to maintain safe and efficient system performance. Flexible Compatibility: Works with 12V and 24V battery systems, suitable for motorhomes, campervans, caravans, and other off-grid installations. Compact & Durable Design: Engineered for easy installation in confined spaces with a rugged, long-lasting enclosure. Smart Integration: Enables unified monitoring and control through the RMA4 or RMA7 LCD panel or the SRNE mobile app via connected modules. With the SRNE CU, your entire power system operates in perfect harmony — offering reliable communication, intelligent control, and simplified system management. Supports WiFi and Bluetooth for monitoring multiple devices in real-time via an app. Monitors water tank level and temperatures of equipment, battery, and generator in the RV. System-wide monitoring of RV components: inverter, MPPT charger, lithium battery BMS, water tank, and temperature. Supports TTL, RS232, RS485, CAN communication protocols. Supports multiple programmable relay outputs. Supports remote OTA upgrades A word about SRNE - SRNE is a globally established manufacturer specialising in inverters, solar charge controllers, and energy storage solutions for both residential and mobile applications. Widely recognised as one of the world’s leading producers of solar controllers and RV power solutions, SRNE supplies technology to markets across Europe, Asia, and beyond. Make no mistake — SRNE products are engineered and manufactured to high international standards, combining proven reliability, robust build quality, and smart charging technology to deliver a dependable, high-performance energy solution you can trust.
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