{"product_id":"140cpu53414-schneider-modicon-quantum-low-end-cpu","title":"140CPU53414 | Schneider Modicon Quantum | Low-End CPU","description":"\u003ch3\u003eSchneider Electric 140CPU53414 Modicon Quantum Low-End CPU — 4MB SRAM, 133MHz, 2×Modbus + 1×Modbus Plus\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e140CPU53414\u003c\/strong\u003e is a \u003cstrong\u003elow-end CPU module\u003c\/strong\u003e for Schneider Electric's \u003cstrong\u003eModicon Quantum\u003c\/strong\u003e automation platform. It features an \u003cstrong\u003eIntel 586 DX processor at 133 MHz\u003c\/strong\u003e with an \u003cstrong\u003eon-board math coprocessor\u003c\/strong\u003e, \u003cstrong\u003e4 MB SRAM\u003c\/strong\u003e, and supports \u003cstrong\u003e2 Modbus (RS-232) ports\u003c\/strong\u003e and \u003cstrong\u003e1 Modbus Plus (RS-485) port\u003c\/strong\u003e. The CPU is designed for medium-scale industrial automation with support for local I\/O, S908 remote I\/O, and distributed I\/O networks.\u003c\/p\u003e\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Schneider Electric\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e Modicon Quantum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Low-End CPU Module\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProcessor:\u003c\/strong\u003e Intel 586 DX\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClock Speed:\u003c\/strong\u003e 133 MHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMath Coprocessor:\u003c\/strong\u003e Yes, on-board\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal Memory (SRAM):\u003c\/strong\u003e 4 MB (2.7 MB user-available after system overhead)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiscrete I\/O Capacity:\u003c\/strong\u003e 64 kbits (any combination)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRegister Capacity:\u003c\/strong\u003e 57 kwords max.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended Register Capacity:\u003c\/strong\u003e 96 kwords\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e984 Ladder Logic Capacity:\u003c\/strong\u003e 64 kwords\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax IEC Program:\u003c\/strong\u003e 2.5 MB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLogic Solve Time:\u003c\/strong\u003e 0.1–0.5 ms\/K\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLocal I\/O:\u003c\/strong\u003e Unlimited I\/O words, max 2 racks\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eS908 Remote I\/O:\u003c\/strong\u003e 64 in \/ 64 out per drop, max 31 remote drops\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDistributed I\/O:\u003c\/strong\u003e 1 network (3 with NOM option), 500 in \/ 500 out per network, max 64 DIO drops\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEthernet Remote I\/O:\u003c\/strong\u003e Not supported\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommunication Ports:\u003c\/strong\u003e 2 × Modbus (RS-232, 9-pin D-shell) + 1 × Modbus Plus (RS-485, 9-pin D-shell)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Option Modules:\u003c\/strong\u003e 6 (NOM, NOC, NOE, PTQ PDP MV1, MMS any combination)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBus Current Required:\u003c\/strong\u003e 1250 mA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWatchdog Timer:\u003c\/strong\u003e 250 ms (software adjustable)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKey Switch:\u003c\/strong\u003e Yes (memory write protection)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery:\u003c\/strong\u003e 3 V lithium, 1200 mAh\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Shelf Life:\u003c\/strong\u003e 10 years (0.5% loss\/year)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Load @ Power-off:\u003c\/strong\u003e 14 µA typical @ 25°C; 420 µA max @ 60°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTOD Clock Accuracy:\u003c\/strong\u003e ±8.0 seconds\/day @ 0–60°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e 0°C to 50°C (32°F to 122°F)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage Temperature:\u003c\/strong\u003e -40°C to 85°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.85 kg (1.87 lb)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProgramming Software:\u003c\/strong\u003e Concept, ProWORX, Modsoft (IEC 61131-3); upgradable to Unity Pro via OS-Loader\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHot Standby Support:\u003c\/strong\u003e Yes (requires paired non-A or paired A models)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCCOTF (Change Config On The Fly):\u003c\/strong\u003e Not supported\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStatus:\u003c\/strong\u003e Legacy \/ Mature product\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eVersions \u0026amp; Revisions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e140CPU53414 (Base):\u003c\/strong\u003e Original version, 1.8 A bus current\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e140CPU53414A:\u003c\/strong\u003e Redesigned version with unique flash executive; functionally identical but requires paired A models for Hot Standby; 1.25 A bus current\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e140CPU53414B:\u003c\/strong\u003e Further revision with updated components; functionally identical; 1.25 A bus current; requires paired B models for Hot Standby\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNote:\u003c\/strong\u003e A\/B and non-A\/B flash executives are \u003cstrong\u003enot interchangeable\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eArchitecture \u0026amp; Functionality\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFront Panel:\u003c\/strong\u003e LED array, removable hinged door with customer ID label, battery slot, two 3-position slide switches, 1 Modbus port, 1 Modbus Plus port A, 1 Modbus Plus port B\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSlide Switches:\u003c\/strong\u003e Left switch = memory write protect (top=enabled); Right switch = Modbus port comm parameters (top=ASCII 2400bps\/Even\/7\/1, middle=RTU default, bottom=custom)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRear Panel:\u003c\/strong\u003e Rotary switches for Modbus Plus network address (1–64)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLED Indicators:\u003c\/strong\u003e RUN, ERR, I\/O, COM, Force, BatL, Modbus, Modbus Plus status\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMemory Protection:\u003c\/strong\u003e Hardware write-protect switch prevents inadvertent program modification\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModem Support:\u003c\/strong\u003e Modbus port 1 supports full modem interfacing; Modbus port 2 supports RTS\/CTS flow control (no modem)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Guide\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eInstall the 140CPU53414 into the \u003cstrong\u003eCPU slot\u003c\/strong\u003e on the Quantum backplane (leftmost slot).\u003c\/li\u003e\n\u003cli\u003eSet the \u003cstrong\u003eModbus Plus network address\u003c\/strong\u003e via rear panel rotary switches (1–64, unique per network).\u003c\/li\u003e\n\u003cli\u003eConfigure \u003cstrong\u003eModbus port parameters\u003c\/strong\u003e via front panel slide switch (RTU default recommended).\u003c\/li\u003e\n\u003cli\u003eConnect \u003cstrong\u003eModbus (RS-232)\u003c\/strong\u003e and \u003cstrong\u003eModbus Plus (RS-485)\u003c\/strong\u003e cables to the front panel ports.\u003c\/li\u003e\n\u003cli\u003eInstall the \u003cstrong\u003e3V lithium battery\u003c\/strong\u003e (990 XCP 960 00) in the battery slot.\u003c\/li\u003e\n\u003cli\u003eSet the \u003cstrong\u003ememory write-protect switch\u003c\/strong\u003e as required (top position = protected).\u003c\/li\u003e\n\u003cli\u003ePower on and verify \u003cstrong\u003eRUN LED\u003c\/strong\u003e illuminates green.\u003c\/li\u003e\n\u003cli\u003eLoad program via \u003cstrong\u003eConcept \/ ProWORX \/ Unity Pro\u003c\/strong\u003e software.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is 140CPU53414 part of Modicon M340 series?\u003c\/strong\u003e\u003cbr\u003eA: \u003cstrong\u003eNo.\u003c\/strong\u003e Some sources incorrectly describe it as an M340 CPU with Ethernet\/USB\/24VDC. The 140CPU53414 is a \u003cstrong\u003eModicon Quantum low-end CPU\u003c\/strong\u003e with Modbus\/Modbus Plus serial communication, powered from the Quantum backplane (not 24VDC).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the difference between 140CPU53414, 53414A, and 53414B?\u003c\/strong\u003e\u003cbr\u003eA: \u003cstrong\u003e140CPU53414\u003c\/strong\u003e is the base version (1.8 A bus current). \u003cstrong\u003e140CPU53414A\u003c\/strong\u003e and \u003cstrong\u003e53414B\u003c\/strong\u003e are redesigned versions with unique flash executives, lower bus current (1.25 A), and updated components. For Hot Standby, both CPUs must be the same revision (non-A + non-A, or A + A, or B + B).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does 140CPU53414 support Ethernet?\u003c\/strong\u003e\u003cbr\u003eA: \u003cstrong\u003eNo native Ethernet.\u003c\/strong\u003e The CPU has 2 Modbus (RS-232) and 1 Modbus Plus (RS-485) ports. Ethernet connectivity requires an \u003cstrong\u003eNOE module\u003c\/strong\u003e (e.g., 140NOE77101) installed in the rack.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the maximum I\/O capacity?\u003c\/strong\u003e\u003cbr\u003eA: \u003cstrong\u003eUnlimited local I\/O words\u003c\/strong\u003e (max 2 racks), \u003cstrong\u003e31 S908 remote drops\u003c\/strong\u003e (64 in\/64 out per drop), and \u003cstrong\u003e64 DIO drops\u003c\/strong\u003e per network (500 in\/500 out per network).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I upgrade 140CPU53414 to Unity Pro?\u003c\/strong\u003e\u003cbr\u003eA: \u003cstrong\u003eYes.\u003c\/strong\u003e The CPU can be migrated from Concept\/ProWORX to \u003cstrong\u003eUnity Pro\u003c\/strong\u003e by updating the operating system via the \u003cstrong\u003eOS-Loader\u003c\/strong\u003e tool. The upgraded version is designated \u003cstrong\u003e140CPU53414U\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the battery replacement procedure?\u003c\/strong\u003e\u003cbr\u003eA: The CPU uses a \u003cstrong\u003e3V lithium battery (990 XCP 960 00)\u003c\/strong\u003e. Replace with power on to avoid data loss. Battery life is ~10 years at 25°C.\u003c\/p\u003e\n\u003ch3\u003eSelection Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantum, medium-scale, Modbus\/Modbus Plus, 4MB:\u003c\/strong\u003e 140CPU53414\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantum, smaller scale, 2MB:\u003c\/strong\u003e 140CPU43412A (Intel 486, 66MHz)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantum, larger scale, Ethernet native:\u003c\/strong\u003e 140CPU65150\/65160\/67160 (High-End CPUs)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlways verify:\u003c\/strong\u003e Software compatibility (Concept vs Unity Pro), Hot Standby requirement, and option module count (max 6)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFor Ethernet:\u003c\/strong\u003e Add 140NOE77101 or 140NOC78000 module\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFor Hot Standby:\u003c\/strong\u003e Order paired identical revisions (both non-A, both A, or both B)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Schneider","offers":[{"title":"Default Title","offer_id":53731272655032,"sku":"140CPU53414","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/140CPU53414A_2_1.jpg?v=1777271971","url":"https:\/\/www.globalpetroparts.com\/products\/140cpu53414-schneider-modicon-quantum-low-end-cpu","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}