{"product_id":"140cpu21304-schneider-cpu-controller-module-new-original-stock","title":"140CPU21304 Schneider CPU Controller Module | New \u0026 Original Stock","description":"\u003ch2\u003eSchneider 140CPU21304 Modicon Quantum CPU Controller Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eSchneider 140CPU21304\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e140CPU21304\u003c\/strong\u003e CPU Controller Module, operates as a dedicated hardware component for user program execution, I\/O module coordination, and system communication within Modicon Quantum automation platform networks. The hardware features an integrated 32-bit mathematical processor running at a clock frequency of 20 MHz to process logic routines at a deterministic rate. The controller maintains dedicated memory segments, including 768 kB of total system memory with integrated Modbus and Modbus Plus communication interfaces to handle discrete and analog control topologies.\u003c\/p\u003e\n\u003ch3\u003eHardware 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\u003e140CPU21304\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\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eFrance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.91 kg (2.00 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e398 mm x 41 mm x 152 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temp\u003c\/td\u003e\n\u003ctd\u003e-40 to 85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e250 mA maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBus Current Required\u003c\/td\u003e\n\u003ctd\u003e200 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProcessor Type\u003c\/td\u003e\n\u003ctd\u003e32-bit with Math Co-Processor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClock Frequency\u003c\/td\u003e\n\u003ctd\u003e20 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUser Memory Capacity\u003c\/td\u003e\n\u003ctd\u003e768 kB total (512 KB application RAM, 512 KB Flash)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNative Interfaces\u003c\/td\u003e\n\u003ctd\u003eModbus, Modbus Plus ports\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eI\/O Capacity Scaling\u003c\/td\u003e\n\u003ctd\u003eUp to 7 local racks and 31 remote drops\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConfiguration Format\u003c\/td\u003e\n\u003ctd\u003eStandard Modicon Quantum slot profile\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMemory Retention\u003c\/td\u003e\n\u003ctd\u003eLithium battery backup\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eDeterministic Network and Backplane Bus Communications\u003c\/h3\u003e\n\u003cp\u003eThe Schneider 140EHC10500 high-speed counter utilizes deterministic backplane bus communication velocity licenses to execute ultra-low latency data transfers to the Modicon Quantum controller. The module maps register memory structures for precise 16-bit or 32-bit tracking to achieve synchronized control loop resolution.\u003c\/p\u003e\n\u003cp\u003eTo maintain structural timing across complex automation cells, this controller interfaces with Profinet \/ EtherNet\/IP deterministic networks via dedicated communication modules. The system backplane manages internal data distribution at a high transfer velocity, eliminating processing bottlenecks between the 32-bit co-processor logic and downstream high-density I\/O modules during peak data traffic loops.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What are the continuous backplane bus current limitations when updating firmware flash revisions?\u003c\/p\u003e\n\u003cp\u003eA: The module requires 200 mA of internal backplane bus current during routine execution. When flashing firmware revisions via the communication interfaces, the current draw must not exceed the 250 mA max limit of the allocated power supply module slot.\u003c\/p\u003e\n\u003cp\u003eQ: Is hot-swapping supported for the central processing module inside a live Quantum rack?\u003c\/p\u003e\n\u003cp\u003eA: No. Removing or inserting the main CPU module while backplane power is active corrupts the logic runtime execution. Always isolate the 24 VDC input feed to the rack power supply prior to pulling the module.\u003c\/p\u003e\n\u003cp\u003eQ: How does the controller handle program retention during extended external power outages?\u003c\/p\u003e\n\u003cp\u003eA: The module employs an internal lithium battery to provide auxiliary power to the volatile application RAM. This battery backup configuration holds program code and variable tables when external voltage drops below operational thresholds.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVerify backplane structural integrity and ensure the rack grounding bar links directly to a low-impedance earth path before module insertion.\u003c\/li\u003e\n\u003cli\u003eAlign the module chassis guides with the dedicated controller slot in the Modicon Quantum rack, applying firm pressure until the locking levers click home.\u003c\/li\u003e\n\u003cli\u003eTerminate the Modbus Plus network trunk using approved coaxial cabling and secure the appropriate 75 Ohm terminating resistors at the physical end nodes of the segment.\u003c\/li\u003e\n\u003cli\u003eRoute the networking cables through separate wire ducts isolated from heavy current-carrying AC or DC motor lines to minimize induction noise.\u003c\/li\u003e\n\u003cli\u003eTest the internal lithium battery charge voltage status prior to commissioning to guarantee logic retention upon the next scheduled power cycle.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Schneider","offers":[{"title":"Default Title","offer_id":43446469886042,"sku":"140CPU21304","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/163._37b6dc95-2bb6-4dc1-a155-a30d08505a1a.jpg?v=1780454779","url":"https:\/\/www.spareoil.com\/products\/140cpu21304-schneider-cpu-controller-module-new-original-stock","provider":"SpareOil Automation","version":"1.0","type":"link"}