{"product_id":"schneider-electric-140cra21220-dio-drop-interface-module","title":"Schneider Electric 140CRA21220 DIO Drop Interface Module","description":"\u003ch3\u003e\n\u003cstrong\u003eProduct Description\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e140CRA21220\u003c\/strong\u003e DIO Drop Interface is part of the Modicon Quantum automation platform, designed to provide a reliable communication and power interface between the Quantum backplane and remote I\/O drops. It is optimized for systems requiring redundancy at the communication level and stable 24 VDC power input architecture.\u003c\/p\u003e\n\u003cp\u003eThis module supports dual redundant ports, enabling improved communication availability and fault-tolerant system design in critical control environments. It integrates diagnostic functions and protected power conversion to maintain operational stability in continuous-duty applications.\u003c\/p\u003e\n\u003ch3\u003e\n\u003cstrong\u003eKey Technical Specifications\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\nProduct Series: Modicon Quantum\n\u003c\/li\u003e\n\u003cli\u003e\nDevice Type: DIO Drop Interface Module\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel \/ Part Number: 140CRA21220\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\nInput Voltage: 24 VDC\n\u003c\/li\u003e\n\u003cli\u003e\nOperating Voltage Range: 20 – 30 VDC\n\u003c\/li\u003e\n\u003cli\u003e\nMax Input Current: 1.6 A @ 24 VDC\n\u003c\/li\u003e\n\u003cli\u003e\nInrush Current: 30 A @ 24 VDC\n\u003c\/li\u003e\n\u003cli\u003e\nBuffer Time: 1 ms\n\u003c\/li\u003e\n\u003cli\u003e\nOutput Voltage: 5.1 VDC regulated backplane supply\n\u003c\/li\u003e\n\u003cli\u003e\nOutput Current: 3 A nominal\n\u003c\/li\u003e\n\u003cli\u003e\nPower Dissipation: 11 W\n\u003c\/li\u003e\n\u003cli\u003e\nI\/O Capacity: 30 input words \/ 32 output words\n\u003c\/li\u003e\n\u003cli\u003e\nCommunication Ports: 2 redundant drop interface ports\n\u003c\/li\u003e\n\u003cli\u003e\nBackplane Compatibility: 2, 3, 4, 6, 10, 16-slot Quantum racks\n\u003c\/li\u003e\n\u003cli\u003e\nTerminal Connection: 7-position terminal block\n\u003c\/li\u003e\n\u003cli\u003e\nProtection Features: Short-circuit protection, overvoltage protection\n\u003c\/li\u003e\n\u003cli\u003e\nDiagnostics: RAM checksum, RAM address monitoring, runtime and startup diagnostics\n\u003c\/li\u003e\n\u003cli\u003e\nOperating Temperature: 0 to 60 °C\n\u003c\/li\u003e\n\u003cli\u003e\nStorage Temperature: -40 to 85 °C\n\u003c\/li\u003e\n\u003cli\u003e\nHumidity: 95% non-condensing\n\u003c\/li\u003e\n\u003cli\u003e\nAltitude Rating: Up to 5000 m\n\u003c\/li\u003e\n\u003cli\u003e\nCertifications: UL, CSA Class I Division 2, DNV, GOST, C-Tick\n\u003c\/li\u003e\n\u003cli\u003e\nStandards: UL 508\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\n\u003cstrong\u003eFunctional Overview\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\nProvides interface between Quantum rack backplane and distributed I\/O drops\n\u003c\/li\u003e\n\u003cli\u003e\nSupports dual redundant communication ports for higher system availability\n\u003c\/li\u003e\n\u003cli\u003e\nConverts 24 VDC input into regulated 5.1 VDC backplane supply\n\u003c\/li\u003e\n\u003cli\u003e\nIncludes embedded diagnostics for system monitoring and fault detection\n\u003c\/li\u003e\n\u003cli\u003e\nDesigned for continuous industrial operation in harsh environments\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\n\u003cstrong\u003eApplications\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\nProcess automation systems requiring high availability\n\u003c\/li\u003e\n\u003cli\u003e\nDistributed control system (DCS) architectures\n\u003c\/li\u003e\n\u003cli\u003e\nCritical infrastructure control systems\n\u003c\/li\u003e\n\u003cli\u003e\nEnergy and utility automation networks\n\u003c\/li\u003e\n\u003cli\u003e\nRemote I\/O expansion for Modicon Quantum platforms\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\n\u003cstrong\u003eCompatibility Notes\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e140CRA21220\u003c\/strong\u003e is designed exclusively for the Modicon Quantum platform. It is not compatible with Modicon Premium or M340 systems due to differences in backplane communication and power architecture.\u003c\/p\u003e\n\u003ch3\u003e\n\u003cstrong\u003eFAQ\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: What is the main difference between this and single-port variants?\u003c\/strong\u003e\r\nThis model includes dual redundant ports, improving communication reliability and fault tolerance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: What type of power supply is required?\u003c\/strong\u003e\r\nIt operates on a 24 VDC supply with a permissible range of 20–30 VDC.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: Is this module suitable for safety-critical environments?\u003c\/strong\u003e\r\nYes, it includes redundancy support, diagnostic functions, and certifications for industrial safety applications.\u003c\/p\u003e","brand":"Schneider","offers":[{"title":"Default Title","offer_id":52762195919133,"sku":"140CRA21220","price":9.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0983\/5387\/3181\/files\/140CRA21220_1000.jpg?v=1787222767","url":"https:\/\/www.6gcontrols.com\/products\/schneider-electric-140cra21220-dio-drop-interface-module","provider":"6G Controls","version":"1.0","type":"link"}