Siemens 6ES7288-1ST20-0AA1 SIMATIC

About Siemens 6ES7288-1ST20-0AA1 SIMATIC

iemens SIMATIC S7-200 SMART CPU ST20 6ES7288-1ST20-0AA1

Here's a quick rundown on this PLC:

Type: Standard CPU, DC/DC/DC (24V DC powered, DC inputs, DC transistor outputs)

Key specs:

Feature
Digital inputs	12 DI, 24 V DC
Digital outputs	8 DQ, 24 V DC
Power supply	DC 20.428.8 V
Program/data memory	20 KB total (12 KB program + 8 KB user data)
Memory type	DDR Flash and RAM, with microSDHC card support
Processing speed	150 ns/bit, 1.2 s/word, 3.6 s for floating point operations
Web server	Supported
Dimensions	90 x 100 x 81 mm ManualsLibManualsLibManualsLibSiemensNakshtechnology

Security note: This exact part number appears on a CISA industrial control system advisory affected devices use a predictable IP ID sequence number, leaving them susceptible to attacks that could cause a denial-of-service condition. Worth checking if a firmware update or mitigation applies if this unit is network-connected.

Key Specifications:

• Model: CPU ST20, Standard CPU, DC/DC/DC
• Digital Inputs: 12 DI, 24V DC
• Digital Outputs: 8 DQ, 24V DC
• Power Supply: DC 20.4 28.8 V
• Program/Data Memory: 20 KB (12 KB Program + 8 KB User Data)
• Memory Type: DDR Flash & RAM, microSDHC Card Support
• Processing Speed: 150 ns/bit, 1.2 s/word, 3.6 s (Floating Point)
• Web Server: Integrated / Supported
• Dimensions: 90 x 100 x 81 mm
• Weight: 320 grams
• Power Consumption: 20 W

  Siemens SIMATIC S7-200 SMART CPU ST20 PLC

  Part No: 6ES7288-1ST20-0AA1

  Brand: Siemens
  Series: SIMATIC S7-200 SMART
  Type: Standard CPU, DC/DC/DC
  Category: Programmable Logic Controller (PLC)

  ---

  Full Product Description:

  The Siemens SIMATIC S7-200 SMART CPU ST20 (Part No. 6ES7288-1ST20-0AA1) is a high-performance, compact, and reliable Programmable Logic Controller (PLC) designed specifically for small to medium-scale industrial automation applications. It belongs to the "Standard Type" CPU category within Siemens' S7-200 SMART series, meaning it can be easily expanded with additional I/O expansion modules and signal boards as per project requirements making it suitable for everything from small setups to more complex automation systems.

  This CPU comes in a DC/DC/DC configuration, meaning it operates on DC power supply, accepts DC-type digital inputs, and delivers DC-type transistor outputs ideal for high-speed switching applications. It features 12 onboard digital inputs (24V DC) and 8 onboard digital outputs (24V DC), making it well-suited for controlling a wide range of machines and process control systems.

  The CPU offers 20 KB of program/data memory (12 KB program memory + 8 KB user data memory), built on DDR Flash and RAM technology for fast and reliable data processing and storage. It also supports microSDHC memory cards, making program backup, firmware updates, and data transfer simple and convenient.

  In terms of processing speed, this CPU delivers 150 ns/bit, 1.2 s/word, and 3.6 s for floating-point operations ensuring smooth, accurate performance even in real-time applications.

  A standout feature of this CPU is its integrated web server, which allows users to perform remote monitoring and diagnostics through any standard web browser without requiring additional software. This makes it especially valuable for modern IoT and Industry 4.0 applications, enabling cloud-ready connectivity.

  For programming, this CPU uses Siemens' STEP 7-MicroWIN SMART software, which offers a user-friendly interface and supports popular programming languages such as Ladder Logic (LAD), Function Block Diagram (FBD), and Statement List (STL) making it accessible for both new and experienced automation engineers.

  In terms of physical design, the CPU is compact and lightweight, with dimensions of 90 x 100 x 81 mm and a weight of just 320 grams, making it easy to install in control panels while saving valuable panel space. Its power consumption is 20W, making it energy-efficient as well.

  This CPU is also compatible with a wide range of Siemens accessories, including signal modules, communication modules, and memory cards which further extend its functionality by enabling expanded I/O capabilities, enhanced communication interfaces, and increased data storage.

  Key Specifications:

  Specification	Details
  Model	CPU ST20, Standard CPU, DC/DC/DC
  Digital Inputs	12 DI, 24V DC
  Digital Outputs	8 DQ, 24V DC
  Power Supply	DC 20.4 28.8 V
  Program/Data Memory	20 KB (12 KB Program + 8 KB User Data)
  Memory Type	DDR Flash & RAM, microSDHC Card Support
  Processing Speed	150 ns/bit, 1.2 s/word, 3.6 s (Floating Point)
  Web Server	Integrated / Supported
  Programming Software	STEP 7-MicroWIN SMART
  Dimensions	90 x 100 x 81 mm
  Weight	320 grams
  Power Consumption	20 W

  Key Features:

  • Compact and modular design
  • Easy-to-use web interface for remote monitoring
  • IoT and cloud-ready connectivity
  • Expandable with signal boards and I/O modules
  • Compatible with a wide range of Siemens accessories
  • Ideal for small to medium-scale automation

  Applications:

  Machine automation, packaging machines, material handling systems, process control, building automation, and general industrial control panels.

  Siemens SIMATIC S7-200 SMART CPU ST20 PLC

  Part No: 6ES7288-1ST20-0AA1

  Brand: Siemens
  Series: SIMATIC S7-200 SMART
  Type: Standard CPU, DC/DC/DC
  Category: Programmable Logic Controller (PLC)

  ---

  Full Product Description:

  The Siemens SIMATIC S7-200 SMART CPU ST20 (Part No. 6ES7288-1ST20-0AA1) is a high-performance, compact, and reliable Programmable Logic Controller (PLC) designed specifically for small to medium-scale industrial automation applications. It belongs to the "Standard Type" CPU category within Siemens' S7-200 SMART series, meaning it can be easily expanded with additional I/O expansion modules and signal boards as per project requirements making it suitable for everything from small setups to more complex automation systems.

  This CPU comes in a DC/DC/DC configuration, meaning it operates on DC power supply, accepts DC-type digital inputs, and delivers DC-type transistor outputs ideal for high-speed switching applications. It features 12 onboard digital inputs (24V DC) and 8 onboard digital outputs (24V DC), making it well-suited for controlling a wide range of machines and process control systems.

  The CPU offers 20 KB of program/data memory (12 KB program memory + 8 KB user data memory), built on DDR Flash and RAM technology for fast and reliable data processing and storage. It also supports microSDHC memory cards, making program backup, firmware updates, and data transfer simple and convenient.

  In terms of processing speed, this CPU delivers 150 ns/bit, 1.2 s/word, and 3.6 s for floating-point operations ensuring smooth, accurate performance even in real-time applications.

  A standout feature of this CPU is its integrated web server, which allows users to perform remote monitoring and diagnostics through any standard web browser without requiring additional software. This makes it especially valuable for modern IoT and Industry 4.0 applications, enabling cloud-ready connectivity.

  For programming, this CPU uses Siemens' STEP 7-MicroWIN SMART software, which offers a user-friendly interface and supports popular programming languages such as Ladder Logic (LAD), Function Block Diagram (FBD), and Statement List (STL) making it accessible for both new and experienced automation engineers.

  In terms of physical design, the CPU is compact and lightweight, with dimensions of 90 x 100 x 81 mm and a weight of just 320 grams, making it easy to install in control panels while saving valuable panel space. Its power consumption is 20W, making it energy-efficient as well.

  This CPU is also compatible with a wide range of Siemens accessories, including signal modules, communication modules, and memory cards which further extend its functionality by enabling expanded I/O capabilities, enhanced communication interfaces, and increased data storage.

  Key Specifications:

  Specification	Details
  Model	CPU ST20, Standard CPU, DC/DC/DC
  Digital Inputs	12 DI, 24V DC
  Digital Outputs	8 DQ, 24V DC
  Power Supply	DC 20.4 28.8 V
  Program/Data Memory	20 KB (12 KB Program + 8 KB User Data)
  Memory Type	DDR Flash & RAM, microSDHC Card Support
  Processing Speed	150 ns/bit, 1.2 s/word, 3.6 s (Floating Point)
  Web Server	Integrated / Supported
  Programming Software	STEP 7-MicroWIN SMART
  Dimensions	90 x 100 x 81 mm
  Weight	320 grams
  Power Consumption	20 W

  Key Features:

  • Compact and modular design
  • Easy-to-use web interface for remote monitoring
  • IoT and cloud-ready connectivity
  • Expandable with signal boards and I/O modules
  • Compatible with a wide range of Siemens accessories
  • Ideal for small to medium-scale automation

  Applications:

  Machine automation, packaging machines, material handling systems, process control, building automation, and general industrial control panels.

  
  

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Robust Performance for Automation

The Siemens SIMATIC S7-200 SMART CPU ST20 excels in demanding automation and machine control environments. Engineered for seamless integration, its efficient processing caters to applications where reliability and fast response times are critical. With a wide operating temperature range and elevated humidity resistance, the device maintains consistent performance even in challenging industrial settings.


User-Friendly Integration and Operation

Designed for DIN rail mounting, the Siemens 6ES7288-1ST20-0AA1 PLC offers hassle-free installation and compatibility with existing control systems. Its intuitive setup process, coupled with straightforward connectivity options, allows for quick deployment in machine and process control systems-minimizing downtime and maximizing productivity.