{"product_id":"mitsubishi-electric-q2ascpu-s1-melsec-qnas-series-cpu-module","title":"Mitsubishi Electric Q2ASCPU-S1 MELSEC QnAS Series CPU Module","description":"\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eManaging complex automation sequences in space-restricted panels is the primary role of the \u003cstrong\u003eMitsubishi Electric Q2ASCPU-S1\u003c\/strong\u003e, a high-performance compact CPU module designed for the \u003cstrong\u003eMELSEC QnAS Series\u003c\/strong\u003e control platform. Engineered to deliver rapid instruction execution and extensive memory capacity, this processor handles demanding industrial applications requiring short cycle times and large recipe storage capacity within a compact footprint.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; padding-left: 20px; margin-bottom: 1.5rem;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003e60k Steps Program Capacity:\u003c\/strong\u003e Supports large-scale control logic, complex algorithms, and extensive recipe management.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Speed Processing:\u003c\/strong\u003e Achieves basic instruction execution speeds of 0.15 microseconds for rapid system response.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExpanded I\/O Control:\u003c\/strong\u003e Direct addressing and management of up to 1024 local and remote I\/O points.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntegrated Communication:\u003c\/strong\u003e Built-in RS-232C interface facilitates direct connection to HMIs, programming PCs, and peripheral devices.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBackward Compatibility:\u003c\/strong\u003e Integrates seamlessly with existing MELSEC AnS series backplanes and specialized I\/O modules.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; padding-left: 20px; margin-bottom: 1.5rem;\"\u003e\n  \u003cli\u003eMulti-axis packaging and labeling machinery requiring high-speed synchronization.\u003c\/li\u003e\n  \u003cli\u003eAutomated material handling, sorting, and conveyor distribution networks.\u003c\/li\u003e\n  \u003cli\u003eWater and wastewater treatment facility distributed control systems.\u003c\/li\u003e\n  \u003cli\u003eFood and beverage batch processing lines with complex recipe configurations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; width: 100%; margin-bottom: 1.5rem;\"\u003e\n  \u003ctable style=\"border-collapse: collapse; width: 100%; color: #2d3748;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #2b6cb0; text-align: left;\"\u003e\n        \u003cth style=\"padding: 8px; font-weight: bold;\"\u003eParameter\u003c\/th\u003e\n        \u003cth style=\"padding: 8px; font-weight: bold;\"\u003eSpecification\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eManufacturer\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eMitsubishi Electric\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eModel \/ SKU\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eQ2ASCPU-S1 (Q2AS-CPU-S1)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eControl Method\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eStored program repetitive operation\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eProgram Capacity\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e60k steps\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eI\/O Points\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e1024 points\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eBasic Instruction Execution Speed\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e0.15 microseconds (LD instruction)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eInternal Current Consumption (5 VDC)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e300 mA (0.3 A)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eCommunication Interfaces\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eRS-232C (9-pin D-sub), Programming Port\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eMemory Type Support\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eRAM, ROM, EEPROM (via optional memory cassette)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eOperating Temperature\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e0 to 55 degC\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eStorage Temperature\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e-20 to 75 degC\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eCountry of Origin\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eJapan\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eShipping Weight (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e0.45 kg\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003ePackage Dimensions (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e150 x 110 x 45 mm\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eConnections and Interfaces\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; width: 100%; margin-bottom: 1.5rem;\"\u003e\n  \u003ctable style=\"border-collapse: collapse; width: 100%; color: #2d3748;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #2b6cb0; text-align: left;\"\u003e\n        \u003cth style=\"padding: 8px; font-weight: bold;\"\u003eRS-232C Pin\u003c\/th\u003e\n        \u003cth style=\"padding: 8px; font-weight: bold;\"\u003eSignal Name\u003c\/th\u003e\n        \u003cth style=\"padding: 8px; font-weight: bold;\"\u003eDescription\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px;\"\u003ePin 1\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eCD\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eCarrier Detect\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px;\"\u003ePin 2\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eRXD\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eReceive Data\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px;\"\u003ePin 3\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eTXD\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eTransmit Data\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px;\"\u003ePin 4\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eDTR\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eData Terminal Ready\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px;\"\u003ePin 5\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eSG\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eSignal Ground\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px;\"\u003ePin 6\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eDSR\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eData Set Ready\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px;\"\u003ePin 7\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eRTS\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eRequest to Send\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px;\"\u003ePin 8\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eCTS\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eClear to Send\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eEmpirical Engineering Insights\u003c\/h3\u003e\n\n\u003ch3\u003eAlternative Models \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThe Q2ASCPU-S1 acts as a direct, high-capacity upgrade to the standard Q2ASCPU (which is limited to 28k steps). It shares identical physical dimensions and backplane mounting configurations. When migrating from older AnS series CPUs (such as the A1SCPU or A2SCPU), the Q2ASCPU-S1 allows you to retain your existing I\/O chassis and modules, though program conversion via GX Developer or GX Works2 is required to map the updated instruction set and register structures.\u003c\/p\u003e\n\n\u003ch3\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThis CPU utilizes volatile RAM for its primary program execution. To prevent program loss during extended power shutdowns, a functional backup battery (A6BAT) must be maintained. If the \"BAT.ERR\" LED illuminates on the front panel, the battery must be replaced within 7 days. For critical applications, it is highly recommended to install an optional non-volatile memory cassette (such as the Q2MEM-8MBA) to store a permanent backup of the parameters and logic.\u003c\/p\u003e\n\n\u003ch3\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eWhen establishing serial communications via the built-in RS-232C port, ensure that your cable configuration matches the handshaking requirements of your connected device. If using a standard 3-wire connection (TXD, RXD, SG), you must jumper pins 7 (RTS) and 8 (CTS) together on the CPU side to prevent communication timeouts. When configuring GX Developer, select \"Q2AS(H)\" as the PLC type to enable full instruction compatibility during download.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\n\u003cdiv style=\"background-color: #fff5f5; border-left: 4px solid #c53030; padding: 1rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cstrong style=\"color: #9b2c2c; display: block; margin-bottom: 0.5rem;\"\u003eCRITICAL WARNING\u003c\/strong\u003e\n  \u003cp style=\"color: #9b2c2c; margin: 0;\"\u003eRisk of electrical shock and equipment damage. Completely de-energize the main power supply to the base unit and all associated external I\/O circuits before mounting or removing the CPU module. Failure to do so can cause backplane bus damage or CPU malfunction.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n  \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; width: 24px; height: 24px; display: flex; align-items: center; justify-content: center; font-weight: bold; margin-right: 12px; flex-shrink: 0;\"\u003e1\u003c\/div\u003e\n  \u003cdiv style=\"color: #2d3748;\"\u003eAlign the hook at the bottom of the CPU module with the module locating hole on the base unit.\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n  \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; width: 24px; height: 24px; display: flex; align-items: center; justify-content: center; font-weight: bold; margin-right: 12px; flex-shrink: 0;\"\u003e2\u003c\/div\u003e\n  \u003cdiv style=\"color: #2d3748;\"\u003ePush the top of the module firmly toward the base unit until it snaps securely into the upper latching mechanism.\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n  \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; width: 24px; height: 24px; display: flex; align-items: center; justify-content: center; font-weight: bold; margin-right: 12px; flex-shrink: 0;\"\u003e3\u003c\/div\u003e\n  \u003cdiv style=\"color: #2d3748;\"\u003eSecure the module to the base unit by tightening the module fixing screw (M3 x 12) to a torque of 0.36 to 0.48 N-m.\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n  \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; width: 24px; height: 24px; display: flex; align-items: center; justify-content: center; font-weight: bold; margin-right: 12px; flex-shrink: 0;\"\u003e4\u003c\/div\u003e\n  \u003cdiv style=\"color: #2d3748;\"\u003eInsert the memory cassette and connect the backup battery connector before applying system power.\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Mitsubishi Electric","offers":[{"title":"Default Title","offer_id":53102148813163,"sku":"Q2ASCPU-S1","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/Q2ASCPU-S1-12g20yuxddn.png?v=1776137941","url":"https:\/\/www.plcprotech.com\/ms\/products\/mitsubishi-electric-q2ascpu-s1-melsec-qnas-series-cpu-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}