{"product_id":"schneider-modicon-quantum-140cra21220-dio-drop-interface-module","title":"Schneider Electric 140CRA21220 Modicon Quantum Remote DIO Drop Interface Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe Schneider Electric 140CRA21220 serves as a critical Remote I\/O (RIO) drop interface module within the Modicon Quantum automation platform. This module functions as the bridge between the remote I\/O rack and the primary CPU, facilitating high-speed, deterministic data exchange across the S908 remote I\/O network. Designed for demanding industrial environments, the 140CRA21220 ensures reliable communication for distributed control systems, supporting continuous operation in sectors such as energy production, water treatment, and heavy manufacturing.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDual coaxial communication ports for redundant network media support.\u003c\/li\u003e\n\u003cli\u003eSeamless failover capability with sub-1ms switching time in the event of primary line disruption.\u003c\/li\u003e\n\u003cli\u003eIntegrated diagnostic LEDs for real-time status monitoring of network health, power, and bus synchronization.\u003c\/li\u003e\n\u003cli\u003eFront-mounted rotary switches for precise address configuration.\u003c\/li\u003e\n\u003cli\u003eRobust electrical isolation to protect internal circuitry from field-side interference.\u003c\/li\u003e\n\u003c\/ul\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\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eModicon Quantum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eRemote DIO Drop Interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply 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 @ 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Protocol\u003c\/td\u003e\n\u003ctd\u003eS908 Remote I\/O\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePorts\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 (Field to Bus)\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\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 to 85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\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 power supply is disconnected before inserting or removing the module from the Quantum rack.\u003c\/li\u003e\n\u003cli\u003eUse shielded coaxial cable for S908 network connections to maintain signal integrity and minimize EMI.\u003c\/li\u003e\n\u003cli\u003eVerify that the rotary address switches are set to the correct node ID before powering on the system.\u003c\/li\u003e\n\u003cli\u003eMaintain adequate clearance around the module to facilitate proper airflow and cooling within the enclosure.\u003c\/li\u003e\n\u003cli\u003eAdhere to standard ESD (Electrostatic Discharge) handling procedures when touching the module backplane connectors.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch3\u003eWhat is the primary function of the 140CRA21220?\u003c\/h3\u003e\u003cp\u003eThis module acts as a remote drop interface, allowing a Modicon Quantum processor to communicate with I\/O racks located at a distance from the main controller via the S908 network.\u003c\/p\u003e\u003ch3\u003eDoes this module support network redundancy?\u003c\/h3\u003e\u003cp\u003eYes, the 140CRA21220 features two coaxial ports that allow for a redundant cable layout. If the primary communication path fails, the module automatically switches to the secondary path to maintain system uptime.\u003c\/p\u003e\u003ch3\u003eWhat voltage is required for operation?\u003c\/h3\u003e\u003cp\u003eThe module operates on a 24 VDC power supply, with an acceptable operational range of 19.2 VDC to 30 VDC.\u003c\/p\u003e","brand":"Schneider","offers":[{"title":"Default Title","offer_id":51215071543548,"sku":"140CRA21220","price":172.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_c1047efa-8012-4d94-814b-85a62a4e34d4.jpg?v=1788287356","url":"https:\/\/www.electronicplc.com\/products\/schneider-modicon-quantum-140cra21220-dio-drop-interface-module","provider":"Electronic PLC","version":"1.0","type":"link"}