{"product_id":"siemens-simatic-s5-6es5-946-3ua11-cpu-module","title":"Siemens 6ES5 946-3UA11 Simatic S5 CPU 946 Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe Siemens Simatic S5 6ES5 946-3UA11 (CPU 946) is a high-performance central processing unit designed for the Simatic S5-155U programmable logic controller system. Engineered for monoprocessor configurations, this module provides robust control capabilities for large-scale industrial automation, including complex binary logic, data processing, and closed-loop control tasks. It is widely utilized in demanding environments such as thermal power plants, oil and gas refineries, and heavy mining operations where high-speed cycle execution and system reliability are critical to maintaining process continuity.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMonoprocessor Architecture:\u003c\/strong\u003e Optimized for independent control of the S5-155U chassis, providing efficient execution without the overhead of multi-processor synchronization.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced Instruction Set:\u003c\/strong\u003e Supports complex bit, word, and floating-point operations, enabling precise PID regulation and intricate control algorithms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Speed Backplane Communication:\u003c\/strong\u003e Ensures seamless integration with digital, analog, and intelligent function modules across the S5 backplane bus.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnectivity:\u003c\/strong\u003e Features dedicated ports for PG (programmer) connections and operator panel interfaces to facilitate system diagnostics and monitoring.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eThis CPU module is designed for large-scale industrial automation systems requiring high-tier processing power. Typical applications include:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eLarge-scale process control in oil and gas facilities.\u003c\/li\u003e\n\u003cli\u003eThermal power generation and distribution control.\u003c\/li\u003e\n\u003cli\u003eDeep-pit mining automation and material handling.\u003c\/li\u003e\n\u003cli\u003eComplex manufacturing lines requiring high-speed I\/O network management.\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\u003e6ES5 946-3UA11 (CPU 946)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eSiemens\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Family\u003c\/td\u003e\n\u003ctd\u003eSimatic S5-135 \/ 155\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eCPU \/ Main Control Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Architecture\u003c\/td\u003e\n\u003ctd\u003eMonoprocessor System for S5-155U\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 to 70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e15.0 W (typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Down:\u003c\/strong\u003e Always ensure the S5-155U chassis power supply is disconnected before inserting or removing the CPU module to prevent electrical damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eESD Protection:\u003c\/strong\u003e Handle the module by its edges or front panel; avoid touching the backplane connectors or internal components to prevent electrostatic discharge damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeating:\u003c\/strong\u003e Ensure the module is fully seated in the designated CPU slot of the S5-155U rack and that the locking mechanisms are engaged to maintain a secure connection to the backplane.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironment:\u003c\/strong\u003e Ensure the control cabinet provides adequate ventilation to maintain operating temperatures within the specified 0-60 deg C range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrounding:\u003c\/strong\u003e Verify that the S5-155U rack is properly grounded according to industrial standards to minimize EMI interference and ensure signal integrity.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch3\u003eIs the 6ES5 946-3UA11 compatible with multi-processor S5-155U systems?\u003c\/h3\u003e\u003cp\u003eNo, this specific model (CPU 946) is engineered specifically for monoprocessor configurations. It is not designed to operate in a multi-processor environment.\u003c\/p\u003e\u003ch3\u003eWhat is the primary function of this module?\u003c\/h3\u003e\u003cp\u003eThe CPU 946 serves as the central processing unit for the S5-155U, managing the execution of control logic, I\/O communication, and data processing for the entire PLC system.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":50919090782460,"sku":"6AV4530-1BC00-7AA0","price":80.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_f89d52a3-664c-4607-81b0-76d3cae367a4.jpg?v=1785902166","url":"https:\/\/www.electronicplc.com\/ar\/products\/siemens-simatic-s5-6es5-946-3ua11-cpu-module","provider":"Electronic PLC","version":"1.0","type":"link"}