{"product_id":"schneider-modicon-quantum-140cpu4321a-controller-cpu-module","title":"Schneider Electric 140CPU4321A Modicon Quantum CPU Module","description":"\u003cp\u003eThe Schneider Electric 140CPU4321A is a high-performance central processing unit designed for the Modicon Quantum automation platform. Engineered for demanding industrial control environments, this processor module provides reliable execution for complex logic and distributed I\/O management.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eIntegrated 80486 processor operating at a 66 MHz clock frequency.\u003c\/li\u003e\n\u003cli\u003eEquipped with 896 kB of internal RAM for application program storage and data processing.\u003c\/li\u003e\n\u003cli\u003eSupports advanced software environments including ProWORX 32 and Concept.\u003c\/li\u003e\n\u003cli\u003eOptimized for rapid cycle times, with an instruction execution speed of 0.1 to 0.5 ms for LL984.\u003c\/li\u003e\n\u003cli\u003eRobust watchdog timer set at 250 ms to ensure system integrity.\u003c\/li\u003e\n\u003cli\u003eScalable network support capable of managing up to 63 distributed drops and 31 remote drops.\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\u003e140CPU4321A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProcessor\u003c\/td\u003e\n\u003ctd\u003e80486\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClock Speed\u003c\/td\u003e\n\u003ctd\u003e66 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMemory\u003c\/td\u003e\n\u003ctd\u003e896 kB Internal RAM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstruction Time\u003c\/td\u003e\n\u003ctd\u003e0.1 - 0.5 ms (LL984)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWatchdog Timer\u003c\/td\u003e\n\u003ctd\u003e250 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClock Drift\u003c\/td\u003e\n\u003ctd\u003e+\/- 8 s\/day (0 to 60 degC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBus Current Requirement\u003c\/td\u003e\n\u003ctd\u003e1250 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnsure the rack power supply is disconnected before installing or removing the CPU module to prevent electrical damage.\u003c\/li\u003e\n\u003cli\u003eThe module must be seated firmly into the designated slot on the Quantum backplane to ensure proper bus contact.\u003c\/li\u003e\n\u003cli\u003eMaintain adequate ventilation within the control cabinet to allow for heat dissipation, ensuring the ambient temperature remains within the rated operating range.\u003c\/li\u003e\n\u003cli\u003eUse appropriate ESD protection when handling the module to prevent damage to sensitive internal circuitry.\u003c\/li\u003e\n\u003cli\u003eEnsure all communication cables are properly routed away from high-voltage lines to minimize electromagnetic interference (EMI).\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat software is compatible with the 140CPU4321A?\u003c\/strong\u003e\u003cbr\u003eThis CPU module is compatible with ProWORX 32 and Concept software environments.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the power requirement for this module?\u003c\/strong\u003e\u003cbr\u003eThe module requires a bus current of 1250 mA.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the operating temperature range for the clock drift specification?\u003c\/strong\u003e\u003cbr\u003eThe clock drift specification of +\/- 8 s\/day is rated for an operating temperature range of 0 to 60 degC.\u003c\/p\u003e","brand":"Schneider Electric","offers":[{"title":"Default Title","offer_id":44034117009498,"sku":"140CPU4321A","price":172.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/wm_1_e33d8c66-34aa-4cb2-9137-f68a60a3bea3.jpg?v=1788919574","url":"https:\/\/www.spareoil.com\/ar\/products\/schneider-modicon-quantum-140cpu4321a-controller-cpu-module","provider":"SpareOil Automation","version":"1.0","type":"link"}