{"product_id":"siemens-simatic-s5-115-6es5-942-7ua13-cpu-module","title":"Siemens 6ES5942-7UA13 Simatic S5-115U CPU Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe Siemens 6ES5942-7UA13 is a central processing unit (CPU 942) designed for the Simatic S5-115U programmable logic controller system. This module provides robust, deterministic control for industrial automation, handling complex logic, timing, counting, and data processing tasks. With an integrated 10 Kbyte RAM, it is engineered for high-speed execution in demanding environments, including power generation, automotive manufacturing, and continuous process control.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eIntegrated 10 Kbyte RAM for program storage and data handling.\u003c\/li\u003e\n\u003cli\u003eDedicated 20 mA current loop (TTY) serial interface for programming devices and HMI connectivity.\u003c\/li\u003e\n\u003cli\u003eFront-panel diagnostic LEDs for real-time status monitoring of CPU health and battery integrity.\u003c\/li\u003e\n\u003cli\u003eCyclic program execution with support for hardware interrupts to manage time-critical events.\u003c\/li\u003e\n\u003cli\u003eDesigned for seamless integration into the S5-115U backplane bus architecture.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eThis CPU module is widely utilized in legacy industrial control systems where high-speed, reliable logic processing is required. Typical applications include automated material handling, oil and gas infrastructure, and large-scale manufacturing process lines requiring stable loop control and minimal downtime.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e6ES5942-7UA13 (CPU 942)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eSimatic S5-115U\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMemory\u003c\/td\u003e\n\u003ctd\u003e10 Kbyte RAM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication\u003c\/td\u003e\n\u003ctd\u003e1 x 20 mA Current Loop (TTY)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e1.5 A at 5 VDC (via backplane)\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\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e95% non-condensing\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 is disconnected before inserting or removing the CPU module to prevent electrical damage.\u003c\/li\u003e\n\u003cli\u003eVerify that the module is properly seated in the designated CPU slot of the S5-115U rack to ensure reliable backplane connection.\u003c\/li\u003e\n\u003cli\u003eMaintain adequate ventilation within the control cabinet to keep ambient temperatures within the specified 0 to 60 deg C range.\u003c\/li\u003e\n\u003cli\u003eUse shielded cables for the TTY serial interface to minimize EMI interference in industrial environments.\u003c\/li\u003e\n\u003cli\u003eHandle the module using ESD-safe practices to protect internal circuitry from electrostatic discharge.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch3\u003eIs this module compatible with all S5-115U racks?\u003c\/h3\u003e\u003cp\u003eThe 6ES5942-7UA13 is designed for the Simatic S5-115U series; however, always verify your specific rack configuration and backplane requirements before installation.\u003c\/p\u003e\u003ch3\u003eWhat is the primary communication interface on this CPU?\u003c\/h3\u003e\u003cp\u003eThis module features an integrated 20 mA current loop (TTY) interface, which is the standard port for connecting Siemens programming units or compatible operator panels.\u003c\/p\u003e\u003ch3\u003eDoes the CPU require a backup battery?\u003c\/h3\u003e\u003cp\u003eYes, the module supports battery back-up for memory retention. Monitor the front-panel diagnostic LEDs to ensure the battery integrity remains within operational limits.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":51188302217468,"sku":"6ES5942-7UA13","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_a1243ae5-e426-4ea0-8f06-d60b4cd2bf54.jpg?v=1788116368","url":"https:\/\/www.electronicplc.com\/ar\/products\/siemens-simatic-s5-115-6es5-942-7ua13-cpu-module","provider":"Electronic PLC","version":"1.0","type":"link"}