{"product_id":"schneider-140cra31908-ethernet-rio-drop-adaptor-modicon-quantum","title":"Schneider 140CRA31908 Ethernet RIO Drop Adaptor – Modicon Quantum","description":"\u003ch2\u003eProduct Introduction\u003c\/h2\u003e\u003cp\u003eUpgrading or replacing aging remote I\/O systems? The \u003cstrong\u003eSchneider 140CRA31908\u003c\/strong\u003e Ethernet RIO Drop Adaptor provides a modern, high‑performance link between a Modicon Quantum S908 coaxial bus and an M580 controller. This adaptor eliminates legacy bottlenecks while maintaining compatibility with existing I\/O modules.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003e140CRA31908\u003c\/strong\u003e operates on a rated voltage of \u003cb\u003e5 VDC\u003c\/b\u003e at \u003cb\u003e1.2 A\u003c\/b\u003e, dissipating a maximum of \u003cb\u003e6 W\u003c\/b\u003e. It features \u003cb\u003e3 Ethernet ports\u003c\/b\u003e supporting \u003cb\u003eEtherNet\/IP\u003c\/b\u003e and \u003cb\u003eModbus TCP\u003c\/b\u003e protocols. Four LED indicators (Mod Status, Net Status, RUN, I\/O) simplify diagnostics. Ambient temperature range: \u003cb\u003e0 to 60 °C\u003c\/b\u003e; humidity: \u003cb\u003e80% non-condensing\u003c\/b\u003e. Protection rating: \u003cb\u003eIP20\u003c\/b\u003e. Operating altitude: \u003cb\u003e2000 m\u003c\/b\u003e.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eRated Voltage:\u003c\/b\u003e 5 VDC\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRated Current:\u003c\/b\u003e 1.2 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePower Consumption:\u003c\/b\u003e 6 W\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eEthernet Ports:\u003c\/b\u003e 3 (service port + device network)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eProtocols:\u003c\/b\u003e EtherNet\/IP, Modbus TCP\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLEDs:\u003c\/b\u003e 4 (module status, network status, RUN, I\/O)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eIP Rating:\u003c\/b\u003e IP20\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTemperature:\u003c\/b\u003e 0 to 60 °C\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHumidity:\u003c\/b\u003e 80% non-condensing\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAltitude:\u003c\/b\u003e 2000 m\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDimensions:\u003c\/b\u003e 167 mm (W) x 50 mm (H)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eNet Weight:\u003c\/b\u003e 0.554 kg\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eIndustry Applications\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eSchneider 140CRA31908\u003c\/strong\u003e is ideal for modernizing water treatment, material handling, and process control lines. In a typical upgrade scenario, it replaces a legacy RIO head unit, allowing an M580 controller to manage remote I\/O panels via a daisy‑chain loop. The dual‑protocol support eases integration with both existing Modbus TCP equipment and new EtherNet\/IP smart devices.\u003c\/p\u003e\u003ch2\u003eInstallation \u0026amp; Setup Guidance\u003c\/h2\u003e\u003cp\u003eMount the \u003cstrong\u003e140CRA31908\u003c\/strong\u003e on a DIN rail within a dry, ventilated enclosure (IP20 rated). Connect the three Ethernet ports: use the service port for local commissioning and the device network port for the I\/O backbone. For a daisy‑chain topology, wire the first and last drops to the controller’s Ethernet ports. The four LEDs will indicate power‑on, network health, and I\/O communication. Ensure ambient temperature stays between 0 °C and 60 °C and humidity below 80%.\u003c\/p\u003e\u003ch2\u003eCompatibility \u0026amp; Integration\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eSchneider 140CRA31908\u003c\/strong\u003e works with Modicon Quantum backplanes and is certified for use with BMEP586040, BMEH584040, BMEP585040, BMEH586040, and BMEP584040 controllers. It supports both EtherNet\/IP and Modbus TCP, enabling mixed‑vendor field devices on the same network. The adaptor can replace older 800 series RIO modules without changing the existing I\/O wiring.\u003c\/p\u003e\u003ch2\u003eSelection Guide \u0026amp; Purchasing Advice\u003c\/h2\u003e\u003cp\u003eBefore ordering, verify that your controller supports the required protocol (EtherNet\/IP or Modbus TCP) and that the I\/O modules are Quantum‑compatible. The \u003cstrong\u003e140CRA31908\u003c\/strong\u003e is a direct replacement for the S908 coaxial drop adaptor in M580‑based systems. For genuine, factory‑tested units, visit \u003cb\u003eubest101\u003c\/b\u003e or contact their sales team for bulk pricing and expedited delivery.\u003c\/p\u003e","brand":"Schneider","offers":[{"title":"Default","offer_id":44403365085283,"sku":"140CRA31908","price":209.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0678\/8635\/0435\/files\/140CRA31908_3.jpg?v=1784987501","url":"https:\/\/www.plcsourcepro.com\/products\/schneider-140cra31908-ethernet-rio-drop-adaptor-modicon-quantum","provider":"PLC Source PRO","version":"1.0","type":"link"}