6ES7288-1ST20-0AA1
Siemens S7-200 SMART CPU ST20 – 6ES7288-1ST20-0AA1
The Siemens SIMATIC S7-200 SMART CPU ST20, 6ES7288-1ST20-0AA1 is a compact standard PLC CPU designed for machine control, sequence automation and small-to-medium industrial automation applications. The CPU integrates 12 digital inputs and 8 digital transistor outputs, providing a practical onboard I/O configuration without requiring separate digital modules for basic control tasks.
With a 20.4–28.8 V DC power supply, 20 KB program/data memory and web server support, the ST20 provides a compact automation platform for OEM machines, control panels and production equipment.
PRODUCT SPECIFICATIONS
Brand : Siemens
Product Family : SIMATIC S7-200 SMART
CPU Model : CPU ST20
Order Number : 6ES7288-1ST20-0AA1
CPU Type : Standard CPU
CPU Configuration : DC/DC/DC
Power Supply : 20.4–28.8 V DC
Digital Inputs : 12 DI
Input Voltage : 24 V DC
Digital Outputs : 8 DQ
Output Voltage : 24 V DC
Output Technology : Transistor
Program/Data Memory : 20 KB
Web Server : Supported
Onboard I/O : 12 DI + 8 DQ
Application : Machine & industrial automation
TECHNICAL FEATURES
1. Integrated Digital I/O
The ST20 includes 12 digital inputs and 8 digital outputs directly on the CPU. This allows common sensors, switches, solenoid valves, contactors and other digital field devices to be connected without immediately adding expansion modules.
2. 24 V DC Automation Interface
The CPU is designed around a 24 V DC control environment, making it suitable for typical industrial control panels and machine automation systems.
3. Transistor Digital Outputs
The integrated 8 DQ transistor outputs are suitable for fast switching control applications and interfacing with compatible 24 V DC field devices.
4. 20 KB Program/Data Memory
The CPU provides 20 KB of program/data memory for developing and storing the automation application.
5. Web Server Support
Web server support enables web-based access to supported CPU information and diagnostic functions, providing an additional option for monitoring and maintenance.
6. Compact PLC Architecture
The integrated CPU and onboard I/O help reduce the need for separate components in smaller automation systems, contributing to a more compact control-panel design.
BENEFITS
· Compact S7-200 SMART PLC solution
· Integrated 12 digital inputs
· Integrated 8 transistor digital outputs
· 24 V DC industrial control architecture
· 20 KB program/data memory
· Web server support
· Suitable for machine-level automation
· Simplifies basic PLC panel design
· Reduces additional I/O hardware for smaller applications
· Suitable for OEM machine builders
· Supports scalable automation architectures through compatible expansion options
· Practical solution for repetitive sequence-control applications
MAAN ELECTRO CONTROLS
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