The Siemens SIMATIC S7-200 SMART CPU SR30 (6ES7288-1SR30-0AA1) is a compact and expandable Standard PLC Controller designed for small and medium-sized industrial automation applications. It features 18 digital inputs and 12 relay outputs, providing 30 onboard digital I/O points for reliable machine and process control.

The CPU SR30 supports an AC 85–264 V power supply and provides integrated PROFINET/Ethernet and RS-485 communication interfaces. It is engineered with STEP 7 Micro/WIN SMART programming software and supports advanced automation functions including high-speed counters, PID control, pulse outputs, and a built-in real-time clock.

With 18 KB program memory and 12 KB user-data memory, the CPU SR30 provides a practical control solution for OEM machine builders and industrial automation systems. Its expandable S7-200 SMART architecture makes it suitable for packaging machines, textile machinery, conveyors, pumps, compressors, food processing equipment, water treatment systems, and factory automation applications.

Technical Specifications:

• Brand: Siemens
• Product Family: SIMATIC S7-200 SMART
• Model: CPU SR30
• Part Number: 6ES7288-1SR30-0AA1
• Product Type: Standard PLC Controller
• CPU Type: AC/DC/Relay
• Digital Inputs: 18 DI, 24 V DC
• Digital Outputs: 12 Relay Outputs
• Relay Output Rating: Up to 2 A
• Total Onboard I/O: 30 points
• Program Memory: 18 KB
• User Data Memory: 12 KB
• Power Supply: AC 85–264 V, 47–63 Hz
• Ethernet Interface: 1 × PROFINET/Ethernet
• Ethernet Speed: 10/100 Mbit/s
• RS-485 Interface: 1
• Programming Software: STEP 7 Micro/WIN SMART
• High-Speed Counters: 6
• Pulse Outputs: 3
• PID Control: Supported, up to 8 loops
• Real-Time Clock: Built-in
• Expansion: Supports S7-200 SMART expansion modules
• Memory Card: Optional microSDHC
• Mounting: Standard DIN Rail
• Protection Rating: IP20
• Operating Temperature: 0°C to +55°C
• Dimensions (W × H × D): 110 × 100 × 81 mm
• Weight: Approximately 435 g
• Typical Applications: Packaging Machines, Textile Machinery, Conveyors, Pumps, Compressors, Food Processing, Water Treatment, OEM Equipment and Factory Automation