{"id":5627,"date":"2026-03-26T15:10:01","date_gmt":"2026-03-26T07:10:01","guid":{"rendered":"https:\/\/atfits.com\/?post_type=product&p=5627"},"modified":"2026-03-26T15:10:01","modified_gmt":"2026-03-26T07:10:01","slug":"siemens-6es7-288-1st20-0aa0-smart-plc-module-cpu-module-6es72881st200aa0","status":"publish","type":"product","link":"https:\/\/atfits.com\/es\/producto\/siemens-6es7-288-1st20-0aa0-smart-plc-module-cpu-module-6es72881st200aa0\/","title":{"rendered":"Siemens 6ES7 288-1ST20-0AA0 Smart PLC Module CPU Module 6ES72881ST200AA0"},"content":{"rendered":"

Siemens 6ES7 288-1ST20-0AA0 | SIMATIC S7-200 SMART CPU ST20<\/h1>\n
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Product Overview<\/h2>\n
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The Siemens 6ES7 288-1ST20-0AA0 is a DC\/DC\/DC<\/strong> configuration standard CPU module belonging to the SIMATIC S7-200 SMART series, designed for compact automation control scenarios. It integrates rich I\/O interfaces, high-speed processing capabilities, and reliable communication functions, making it suitable for small and medium-sized automated control systems in industrial fields such as intelligent manufacturing, equipment automation, and process control. The module supports programming via STEP 7 Micro\/WIN SMART software and enables flexible expansion to meet diverse control needs[14].<\/div>\n
<\/div>\n

Key Functions<\/h2>\n
<\/div>\n
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  • Integrated High-Density I\/O<\/strong>: Equips 12-channel 24V DC digital inputs (DI) and 8-channel 24V DC digital outputs (DO), reducing external expansion needs and simplifying system wiring[14].<\/li>\n
  • Efficient Processing Performance<\/strong>: Provides fast instruction execution speed, supporting bit operations, word operations, and floating-point operations to ensure real-time response of control tasks[17].<\/li>\n
  • Diverse Communication Interfaces<\/strong>: Integrates Ethernet interface (PROFINET) and RS-485 interface (PPI\/MPI\/Free Port), enabling seamless connection with HMI, SCADA, and other controllers, and supporting multi-protocol communication[14].<\/li>\n
  • Reliable Data Storage<\/strong>: Equips program memory, data memory, and hold memory to ensure non-volatile storage of key programs and data during power failure[19].<\/li>\n
  • Built-in Real-Time Clock (RTC)<\/strong>: Supports time synchronization and timed task execution without additional battery configuration[14].<\/li>\n<\/ul>\n
    <\/div>\n

    Technical Features<\/h2>\n
    <\/div>\n

    Core Performance Parameters<\/h3>\n
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    \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
    Parameter<\/th>\nSpecification<\/th>\n<\/tr>\n<\/thead>\n
    CPU Configuration<\/strong><\/td>\nDC\/DC\/DC (24V DC power supply, 24V DC input, 24V DC transistor output)[6]<\/td>\n<\/tr>\n
    Program\/ Data Memory<\/strong><\/td>\n12 KB program memory \/ 8 KB data memory \/ 10 KB hold memory[19]<\/td>\n<\/tr>\n
    Instruction Execution Speed<\/strong><\/td>\nBit operation: 150 ns\/step; Word operation: 1.2 \u03bcs\/step; Floating-point operation: 3.6 \u03bcs\/step<\/td>\n<\/tr>\n
    Integrated I\/O<\/strong><\/td>\n12 \u00d7 24V DC DI; 8 \u00d7 24V DC DO (transistor)[14]<\/td>\n<\/tr>\n
    High-Speed Counter (HSC)<\/strong><\/td>\n6-channel HSC support (4-channel 200 kHz, 2-channel 30 kHz); 2-channel AB phase 100 kHz<\/td>\n<\/tr>\n
    Power Supply Range<\/strong><\/td>\n20.4 \u2013 28.8 V DC (wide voltage adaptation for industrial field power supply)[13]<\/td>\n<\/tr>\n
    Communication Interfaces<\/strong><\/td>\n1 \u00d7 Ethernet (PROFINET, 100 Mbps); 1 \u00d7 RS-485 (PPI\/MPI\/Free Port)[14]<\/td>\n<\/tr>\n
    Sensor Power Supply<\/strong><\/td>\n24V DC, max 300 mA (for field sensor power supply)[22]<\/td>\n<\/tr>\n
    Programming Software<\/strong><\/td>\nSTEP 7 Micro\/WIN SMART (supports online programming, monitoring, and debugging)[14]<\/td>\n<\/tr>\n
    Installation Method<\/strong><\/td>\nStandard DIN rail mounting (space-saving for control cabinets)[12]<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
    <\/div>\n

    Environmental Adaptability<\/h3>\n
    <\/div>\n
      \n
    • Operating Temperature<\/strong>: 0 \u2013 60 \u2103 (adapted to industrial field environment temperature changes)<\/li>\n
    • Storage Temperature<\/strong>: -40 \u2013 85 \u2103 (convenient for long-term storage and transportation)<\/li>\n
    • Relative Humidity<\/strong>: 5 \u2013 95% (non-condensing, suitable for humid industrial environments)<\/li>\n
    • Shock\/Vibration Resistance<\/strong>: Complies with IEC 60068-2-6\/2-27 standards, adapting to harsh industrial site vibration conditions<\/li>\n<\/ul>\n
      <\/div>\n

      Physical Dimensions & Weight<\/h2>\n
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      \u8868\u683c<\/div>\n
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      \n\n\n\n\n\n\n\n
      Parameter<\/th>\nSpecification<\/th>\n<\/tr>\n<\/thead>\n
      Dimensions (W \u00d7 H \u00d7 D)<\/strong><\/td>\n90 \u00d7 100 \u00d7 81 mm (compact size, suitable for small control cabinets)\u897f\u95e8\u5b50\u5de5\u4e1a\u652f\u6301\u4e2d\u5fc3[10][21]<\/td>\n<\/tr>\n
      Net Weight<\/strong><\/td>\nApprox. 320 g (lightweight, convenient for handling and installation)[10][22]<\/td>\n<\/tr>\n
      Mounting Hole Spacing<\/strong><\/td>\nMatches standard DIN rail (width 35 mm), easy to install and maintain[17]<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

      Siemens 6ES7 288-1ST20-0AA0 | SIMATIC S7-200 SMART CPU ST20 Product Overview The Siemens 6ES7 288-1ST20-0AA0 is a DC\/DC\/DC configuration standard<\/p>","protected":false},"featured_media":5628,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[111],"product_tag":[],"class_list":{"0":"post-5627","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-siemens","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"yoast_head":"\nSiemens 6ES7 288-1ST20-0AA0 Smart PLC Module CPU Module 6ES72881ST200AA0 - Autofits<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/atfits.com\/es\/producto\/siemens-6es7-288-1st20-0aa0-smart-plc-module-cpu-module-6es72881st200aa0\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Siemens 6ES7 288-1ST20-0AA0 Smart PLC Module CPU Module 6ES72881ST200AA0 - 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