Siemens SIMATIC S7-200 SMART CPU SR20

Series#: Siemens

Product Details

Model: SIEMENS SIMATIC S7-200 SMART CPU SR20 (6ES7 288-1SR20-0AA1) – A high-performance, compact PLC for mid-range automation.
Features 12 digital inputs and 8 relay outputs, ideal for controlling motors, valves, and actuators in harsh environments.
Integrated PROFINET port for fast, reliable communication and seamless integration into modern networks.
Built-in high-speed counters and pulse outputs (PTO/PWM) for precise motion control and positioning tasks.
Expandable via signal boards and expansion modules for analog I/O, RS485/RS232, and more.
Programmed with Siemens STEP 7-Micro/WIN SMART for intuitive ladder logic and debugging.
100% Brand New & Original, securely packed and ready for reliable global shipping.

Specification

The SIEMENS SIMATIC S7-200 SMART CPU SR20 (6ES7 288-1SR20-0AA1) is a rugged, compact PLC designed to deliver reliable control in demanding industrial applications. With its 12 digital inputs and 8 relay outputs, it excels in handling discrete control tasks such as conveyor systems, packaging lines, and machine tools. The CPU SR20 features a built-in PROFINET interface for high-speed data exchange and programming, while its integrated high-speed counters and pulse outputs enable precise motion control. Backed by a 220 V AC power supply, this unit is engineered for long-term stability and ease of expansion, supporting a wide range of signal boards and I/O modules. Below are the detailed technical specifications:

Attribute	Specification
Product Type	Programmable Logic Controller (PLC) CPU
Model	SIEMENS SIMATIC S7-200 SMART CPU SR20
Part Number	6ES7 288-1SR20-0AA1
Power Supply	220 V AC (120/230 V AC, 50/60 Hz)
Digital Inputs	12 (24 V DC, sink/source)
Digital Outputs	8 (Relay, 2 A per channel)
Program/Data Memory	24 KB program memory / 16 KB data memory (retainable)
Integrated Communication	1 x PROFINET (RJ45) – supports TCP/IP, PROFINET IO, and programming
Optional Communication	RS485/RS232 via signal board (SB CM01)
High-Speed Counters	6 (single-phase up to 200 kHz, quadrature up to 100 kHz)
Pulse Outputs	2 (PTO/PWM, up to 100 kHz)
Real-Time Clock	Yes (with backup capacitor)
Programming Software	Siemens STEP 7-Micro/WIN SMART (V2.2 or higher)
Operating Temperature	0°C to 55°C (storage: -40°C to 70°C)
Protection Rating	IP20 (open-type device)
Dimensions (W x H x D)	90 mm x 100 mm x 81 mm
Weight	Approx. 0.35 kg
Mounting	DIN rail (35 mm) or panel mount
Certifications	CE, UL, cULus, RoHS compliant
Expansion Capabilities	Up to 6 expansion modules (digital, analog, communication) and 1 signal board
Application Areas	Packaging, material handling, compressor control, generator management, and general automation