{"product_id":"mitsubishi-electric-q02ashcpu-s1-melsec-qnas-series-plc-cpu-module","title":"Mitsubishi Electric Q02ASHCPU-S1 MELSEC QnAS Series PLC CPU Module","description":"\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003e\n  Designed to execute complex control sequences within the compact MELSEC QnAS architecture, the \u003cstrong\u003eMitsubishi Electric Q02ASHCPU-S1\u003c\/strong\u003e serves as a high-performance central processing unit engineered for demanding industrial automation environments. This module provides a robust control platform featuring \u003cstrong\u003e60K steps of program memory\u003c\/strong\u003e, optimized instruction processing speeds, and integrated diagnostics to ensure maximum system uptime and reliable execution of sequential control logic.\n\u003c\/p\u003e\n\n\u003ch3 style=\"color: #1a365d; border-bottom: 1px solid #2b6cb0; padding-bottom: 0.25rem; margin-top: 1.5rem; margin-bottom: 1rem;\"\u003eKey Features\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; margin-bottom: 1.5rem; padding-left: 1.5rem;\"\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003e\n\u003cstrong\u003eHigh-Capacity Program Memory:\u003c\/strong\u003e Supports up to 60K steps, allowing for extensive control logic, recipe storage, and complex arithmetic operations.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003e\n\u003cstrong\u003eIntegrated Diagnostics:\u003c\/strong\u003e Continuous self-monitoring of hardware status, memory integrity, and execution loops to prevent unexpected system failures.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003e\n\u003cstrong\u003eCompact QnAS Footprint:\u003c\/strong\u003e Offers the advanced processing capabilities of larger Q-Series controllers within the space-saving form factor of the AnS Series.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003e\n\u003cstrong\u003eDedicated RS-232C Interface:\u003c\/strong\u003e Built-in serial port for direct programming, HMI connectivity, or peripheral data exchange.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color: #1a365d; border-bottom: 1px solid #2b6cb0; padding-bottom: 0.25rem; margin-top: 1.5rem; margin-bottom: 1rem;\"\u003eApplications\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; margin-bottom: 1.5rem; padding-left: 1.5rem;\"\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003eAutomotive assembly lines and robotic cell coordination.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003eWater and wastewater treatment plant sequencing.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003eMulti-axis packaging machinery and material handling systems.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003eHVAC and environmental control systems in heavy manufacturing facilities.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color: #1a365d; border-bottom: 1px solid #2b6cb0; padding-bottom: 0.25rem; margin-top: 1.5rem; margin-bottom: 1rem;\"\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 #1a365d;\"\u003e\n        \u003cth style=\"text-align: left; padding: 8px; font-weight: bold; color: #1a365d;\"\u003eParameter\u003c\/th\u003e\n        \u003cth style=\"text-align: left; padding: 8px; font-weight: bold; color: #1a365d;\"\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 Number\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eQ02ASHCPU-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;\"\u003eSeries\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eMELSEC-A QnAS Series\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;\"\u003eInternal Current Consumption (5V DC)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e300 mA (Typical)\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 Ambient 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;\"\u003eNet Weight (Estimated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e0.35 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;\"\u003eShipping Weight (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e2.0 kg (Including protective packaging)\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3 style=\"color: #1a365d; border-bottom: 1px solid #2b6cb0; padding-bottom: 0.25rem; margin-top: 1.5rem; margin-bottom: 1rem;\"\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 #1a365d;\"\u003e\n        \u003cth style=\"text-align: left; padding: 8px; font-weight: bold; color: #1a365d;\"\u003eInterface Port\u003c\/th\u003e\n        \u003cth style=\"text-align: left; padding: 8px; font-weight: bold; color: #1a365d;\"\u003eConnector Type\u003c\/th\u003e\n        \u003cth style=\"text-align: left; padding: 8px; font-weight: bold; color: #1a365d;\"\u003eFunctional Assignment\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;\"\u003eRS-232C Port\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e9-Pin D-Sub (Female)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eProgramming, HMI communication, and general-purpose serial data link.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eProgramming Port\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eMini-DIN 6-Pin\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eDirect connection to programming peripherals and handheld monitoring units.\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3 style=\"color: #1a365d; border-bottom: 1px solid #2b6cb0; padding-bottom: 0.25rem; margin-top: 1.5rem; margin-bottom: 1rem;\"\u003eEmpirical Engineering Insights\u003c\/h3\u003e\n\u003ch4 style=\"color: #2b6cb0; margin-top: 1rem; margin-bottom: 0.5rem;\"\u003eAlternative Models \u0026amp; Compatibility\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003e\n  The Q02ASHCPU-S1 is a specialized, high-speed variant within the MELSEC QnAS family. When migrating from legacy AnS systems, ensure that your existing base units (such as the A1S38B or A1S35B) are compatible with QnAS-level processing speeds. Note that while standard AnS modules can often be retained, the memory structure and instruction set of the QnAS CPU require GX Developer or GX Works2 (operating in classic mode) for proper compilation and parameter mapping.\n\u003c\/p\u003e\n\n\u003ch4 style=\"color: #2b6cb0; margin-top: 1rem; margin-bottom: 0.5rem;\"\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003e\n  A common field issue involves exceeding the 5V DC internal bus current capacity. The Q02ASHCPU-S1 draws approximately 300 mA. When designing high-density I\/O configurations or adding communication modules (such as Ethernet or CC-Link master modules), verify that the power supply module (e.g., A1S61PN) has sufficient overhead to prevent voltage drops on the backplane, which can trigger intermittent CPU reset faults.\n\u003c\/p\u003e\n\n\u003ch4 style=\"color: #2b6cb0; margin-top: 1rem; margin-bottom: 0.5rem;\"\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003e\n  Always use high-quality, double-shielded RS-232C cables (such as the QC30R2) for programming and HMI communication. Route the serial cable away from high-voltage motor leads and variable frequency drives (VFDs) to avoid electromagnetic interference, which can disrupt online monitoring and program transfers. Ensure the base unit's ground terminal (LG\/FG) is tied directly to a low-impedance earth ground.\n\u003c\/p\u003e\n\n\u003ch3 style=\"color: #1a365d; border-bottom: 1px solid #2b6cb0; padding-bottom: 0.25rem; margin-top: 1.5rem; margin-bottom: 1rem;\"\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cdiv style=\"background-color: #fff5f5; border-left: 4px solid #c53030; padding: 1rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cp style=\"color: #9b2c2c; font-weight: bold; margin: 0 0 0.5rem 0;\"\u003eCRITICAL WARNING\u003c\/p\u003e\n  \u003cp style=\"color: #9b2c2c; margin: 0;\"\u003e\n    Before installing, removing, or wiring the CPU module, ensure all external power sources to the base unit and connected I\/O racks are completely de-energized. Failure to do so may result in electrical shock, module damage, or unpredictable system behavior.\n  \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; margin-right: 12px; flex-shrink: 0; font-weight: bold;\"\u003e1\u003c\/div\u003e\n  \u003cdiv style=\"color: #2d3748;\"\u003eAlign the lower hook of the CPU module with the guide 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; margin-right: 12px; flex-shrink: 0; font-weight: bold;\"\u003e2\u003c\/div\u003e\n  \u003cdiv style=\"color: #2d3748;\"\u003ePush the top of the module firmly onto the base unit until it clicks securely into place.\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; margin-right: 12px; flex-shrink: 0; font-weight: bold;\"\u003e3\u003c\/div\u003e\n  \u003cdiv style=\"color: #2d3748;\"\u003eTighten the module mounting screw (M3) to a torque of 0.36 to 0.48 N-m to ensure reliable ground contact and vibration resistance.\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; margin-right: 12px; flex-shrink: 0; font-weight: bold;\"\u003e4\u003c\/div\u003e\n  \u003cdiv style=\"color: #2d3748;\"\u003eInsert the memory card (if required) and secure the front protective cover before applying power.\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Mitsubishi Electric","offers":[{"title":"Default Title","offer_id":53102152614251,"sku":"Q02ASHCPU-S1","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/q02ashcpu-s1-qbei3a0zlpr.png?v=1776137912","url":"https:\/\/www.plcprotech.com\/products\/mitsubishi-electric-q02ashcpu-s1-melsec-qnas-series-plc-cpu-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}