{"product_id":"140cpu43412a-schneider-modicon-quantum-cpu-module","title":"140CPU43412A Schneider Modicon Quantum CPU Module","description":"\u003ch2\u003eSchneider Electric 140CPU43412A Modicon Quantum CPU Processor Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eSchneider Electric\u003c\/strong\u003e \u003cstrong\u003e140CPU43412A\u003c\/strong\u003e is a central processing unit module engineered for the Modicon Quantum automation platform. Powered by a 66 MHz 486 controller with an integrated mathematical coprocessor, it handles real-time control, I\/O processing, and system diagnostics across complex industrial applications. The module offers 2 MB of internal SRAM, supports up to 896 KB of IEC program memory, and features built-in communication interfaces comprising two Modbus RS-232 serial ports and one Modbus Plus port.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e140CPU43412A\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\u003eProduct Series\u003c\/td\u003e\n\u003ctd\u003eModicon Quantum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003ePLC Central Processing Unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProcessor Type\u003c\/td\u003e\n\u003ctd\u003e486 controller (66 MHz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMathematical Coprocessor\u003c\/td\u003e\n\u003ctd\u003eIntegrated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal SRAM\u003c\/td\u003e\n\u003ctd\u003e2 MB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum IEC Program Memory\u003c\/td\u003e\n\u003ctd\u003e896 KB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e984 Ladder Logic Capacity\u003c\/td\u003e\n\u003ctd\u003e64 K words\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiscrete Reference Capacity\u003c\/td\u003e\n\u003ctd\u003e64 K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRegister Capacity\u003c\/td\u003e\n\u003ctd\u003e57 K words\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExtended Register Capacity\u003c\/td\u003e\n\u003ctd\u003e96 K words\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLogic Execution Time\u003c\/td\u003e\n\u003ctd\u003e0.1 to 0.5 ms\/K instructions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWatchdog Timer\u003c\/td\u003e\n\u003ctd\u003e250 ms (software adjustable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModbus Serial Ports\u003c\/td\u003e\n\u003ctd\u003e2x RS-232 (9-pin D-sub connectors)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModbus Plus Ports\u003c\/td\u003e\n\u003ctd\u003e1x RS-485\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLocal I\/O Capacity\u003c\/td\u003e\n\u003ctd\u003e64 input words \/ 64 output words\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Local Racks\u003c\/td\u003e\n\u003ctd\u003e2 (requires rack expander)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Remote I\/O Drops\u003c\/td\u003e\n\u003ctd\u003e31\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Distributed Networks\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOption Module Interfaces\u003c\/td\u003e\n\u003ctd\u003eUp to 6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackup Battery\u003c\/td\u003e\n\u003ctd\u003e3 V Lithium (1200 mAh, ~10-year shelf life)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReal-Time Clock Accuracy\u003c\/td\u003e\n\u003ctd\u003e±8 seconds\/day\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\u003eUp to 95% (non-condensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Type\u003c\/td\u003e\n\u003ctd\u003eModicon Quantum backplane rack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e0.91 kg (2.00 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcessing and Memory Capacity\u003c\/h3\u003e\n\u003cp\u003eThe module runs on a 66 MHz 486 processor with a dedicated mathematical coprocessor to execute logic routines with processing speeds between 0.1 and 0.5 ms per thousand instructions. Memory architecture includes 2 MB of total SRAM, which allocates up to 896 KB for IEC program code, 64 K words for 984 ladder logic, 57 K words of register data, and 96 K words of extended registers.\u003c\/p\u003e\n\u003cp\u003e\u003ci\u003eVerification:\u003c\/i\u003e Ensure that application program code and data tables stay within the 896 KB IEC memory limit and 64 K discrete reference boundary.\u003c\/p\u003e\n\u003cp\u003eData retention during power loss is maintained by a 3 V lithium battery rated at 1200 mAh with an estimated shelf life of 10 years. An adjustable 250 ms watchdog timer monitors system execution to trigger safe shutdown sequences upon program fault detection.\u003c\/p\u003e\n\u003ch3\u003eNetworking and I\/O Architecture\u003c\/h3\u003e\n\u003cp\u003eCommunication capabilities are built into the module housing via two Modbus RS-232 serial ports on 9-pin D-sub connectors and one Modbus Plus RS-485 port. Network communication allows data exchange with local operator stations, programming software (such as Concept or ProWORX32), and host supervisory equipment.\u003c\/p\u003e\n\u003cp\u003e\u003ci\u003eVerification:\u003c\/i\u003e Confirm that Modbus Plus drop addresses are properly assigned and terminated along the RS-485 network trunk line.\u003c\/p\u003e\n\u003cp\u003eThe processor controls up to two local racks via rack expanders, providing a local channel capacity of 64 input words and 64 output words. For distributed systems, it supports up to 31 Remote I\/O drops and up to 3 Distributed I\/O networks with capacity for up to 6 option modules in the backplane.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What communications ports are natively available on the 140CPU43412A module? A: The processor features two RS-232 Modbus serial ports (via 9-pin D-sub connectors) and one Modbus Plus RS-485 port built into the unit.\u003c\/p\u003e\n\u003cp\u003eQ: How is memory backed up when backplane power is removed? A: Internal SRAM data and configuration state are preserved by an onboard 3 V lithium battery rated at 1200 mAh.\u003c\/p\u003e\n\u003cp\u003eQ: How many remote I\/O drops can be managed by this processor? A: The module supports system architectures configured for up to 31 Remote I\/O drops and up to 3 Distributed I\/O networks.\u003c\/p\u003e","brand":"Schneider","offers":[{"title":"Default Title","offer_id":67894754410595,"sku":"140CPU43412","price":260.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/259._7773ef46-410a-46a9-8640-a1b71bf738c4.jpg?v=1794194398","url":"https:\/\/www.autocontrolglobal.com\/products\/140cpu43412a-schneider-modicon-quantum-cpu-module","provider":"AutoControl Global","version":"1.0","type":"link"}