{"product_id":"schneider-modicon-quantum-140cra21220-dio-drop-interface-module","title":"Schneider 140CRA21220 Modicon Quantum DIO Drop Interface Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe Schneider Electric 140CRA21220 serves as a critical remote I\/O drop interface for the Modicon Quantum automation platform. This module facilitates reliable data exchange between the central processor and remote I\/O racks, ensuring deterministic performance in demanding industrial environments such as petrochemical processing, power generation, and large-scale manufacturing. By utilizing a 24 VDC power supply, the unit provides high-speed communication management and robust signal integrity for distributed field devices.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDual coaxial communication ports for redundant S908 network connectivity.\u003c\/li\u003e\n\u003cli\u003eRapid failover switching (under 1 ms) to ensure continuous operation during network cable faults.\u003c\/li\u003e\n\u003cli\u003eFront-mounted rotary switches for manual address configuration.\u003c\/li\u003e\n\u003cli\u003eComprehensive LED array for real-time monitoring of port synchronization and system diagnostic status.\u003c\/li\u003e\n\u003cli\u003eGalvanic isolation between field and bus circuitry to protect internal components from electrical interference.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eThis interface module is engineered for use in distributed control systems where long-distance communication and high availability are required. It is commonly deployed in hazardous or high-EMI environments where secondary line redundancy is necessary to prevent costly production downtime.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e140CRA21220\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eSchneider Electric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eModicon Quantum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC (19.2-30 VDC range)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Consumption\u003c\/td\u003e\n\u003ctd\u003e650 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNetwork Protocol\u003c\/td\u003e\n\u003ctd\u003eS908 Distributed I\/O\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Ports\u003c\/td\u003e\n\u003ctd\u003e2 x Coaxial (75 Ohm F-connector)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Rate\u003c\/td\u003e\n\u003ctd\u003e1.544 Mbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003e500 VDC (1 minute)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity\u003c\/td\u003e\n\u003ctd\u003e5-95% (non-condensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnsure the rack is powered down before inserting or removing the module to prevent electrical damage.\u003c\/li\u003e\n\u003cli\u003eMount the module within a standard Modicon Quantum backplane, ensuring the connector pins are fully seated.\u003c\/li\u003e\n\u003cli\u003eUse high-quality 75 Ohm coaxial cables for network connections; ensure proper shielding and grounding to minimize EMI.\u003c\/li\u003e\n\u003cli\u003eVerify that the address selection switches match the intended configuration in the project software before commissioning.\u003c\/li\u003e\n\u003cli\u003eMaintain proper ventilation within the cabinet to stay within the 0-60 deg C operating temperature range.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat is the primary function of the 140CRA21220?\u003c\/strong\u003e The module acts as a remote interface to connect distributed I\/O drops to the main processor via the S908 network, supporting redundant media paths.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes this module support hot swapping?\u003c\/strong\u003e While the Modicon Quantum system is designed for high availability, it is recommended to consult the specific system documentation regarding power-down procedures for module replacement to ensure safety and equipment longevity.\u003c\/p\u003e","brand":"Schneider","offers":[{"title":"Default Title","offer_id":44052570177626,"sku":"140CRA21220","price":172.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/wm_1_f11c0d2c-d568-41c1-84ca-07d22758a9fc.jpg?v=1789187711","url":"https:\/\/www.spareoil.com\/products\/schneider-modicon-quantum-140cra21220-dio-drop-interface-module","provider":"SpareOil Automation","version":"1.0","type":"link"}