{"id":7645,"date":"2025-09-22T16:33:38","date_gmt":"2025-09-22T23:33:38","guid":{"rendered":"https:\/\/wp.ranchsystems.com\/home\/?page_id=7645"},"modified":"2026-01-16T16:18:58","modified_gmt":"2026-01-17T00:18:58","slug":"rm400","status":"publish","type":"page","link":"https:\/\/www.ranchsystems.com\/home\/products\/rm400\/","title":{"rendered":"RM400"},"content":{"rendered":"
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Overview<\/h3>\n

The RM400 Monitoring & Control Unit is an advanced telemetry node, data logger, and valve controller capable of reading data from a variety of sensors and uploading that data to the Ranch Cloud\u2122 platform.<\/p>\n

The RM400 is built to be the backbone of your monitoring and control system. It is designed for ease of use, with a built-in display and keypad interface for in-field configuration, valve control, and data readout. Advanced configuration is available using a cabled PC connection or by real-time cloud server connection using the myRanch\u2122 app.<\/p>\n

The RM400 can control up to 48 valves* and provides multiple sensor input options. Using the myRanch app, you can create multiple, fully automated irrigation programs in a matter of minutes. Programs can be automatically optimized for the shortest possible run time, and dynamically adjusted based on real-time environmental conditions.<\/p>\n

The RM400 supports WiFi and cellular connectivity to Ranch Cloud and can sample traditional wired sensors, as well as sensors connected via the the RS10 Bluetooth\u00ae<\/sup> Transmitter & Data Logger<\/a>\u00a0, making new installations and upgrading existing installations easier than ever.<\/p>\n

* Number of supported valves varies by configuration.<\/em><\/h6>\n<\/div>\n<\/div><\/div><\/div>
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Features<\/h3>\n

The RM400 has the following built-in features:<\/p>\n

    \n
  • Outdoor-rated, impact-resistant, and UV-stabilized polycarbonate enclosure<\/li>\n
  • OLED display w\/keypad interface<\/li>\n
  • 10 to 24V AC\/DC flex power input<\/li>\n
  • 3.7V Li-Ion rechargeable battery<\/li>\n
  • Four status LEDs<\/li>\n
  • ARM 32-bit CPU with\u00a04MB flash file system for data buffering<\/li>\n
  • Real-time operating system supporting Ranch Systems JavaScript for custom sensor and control integrations<\/li>\n
  • USB-C cable interface for PC connection<\/li>\n
  • Bluetooth\u00ae<\/sup> modem<\/li>\n
  • WiFi modem<\/li>\n
  • 5V and 12V DC excitation voltage generator<\/li>\n
  • Eight (8) feedback sensor\/digital counter ports<\/li>\n
  • Onboard diagnostic sensors for internal temperature, battery voltage, current draw, charge current, and cellular\/WiFi signal strength<\/li>\n<\/ul>\n

    The RM400 supports the following optional expansion components:<\/p>\n

      \n
    • Cellular modem w\/AGPS<\/li>\n
    • 24VAC solenoid control output, up to 48 outputs w\/four (4) stackable, 12-port expansion boards<\/li>\n
    • Sensor input expansion board<\/li>\n<\/ul>\n<\/div>\n<\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"

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