CPU ST30 DC/DC/DC

The Siemens SIMATIC S7-200 SMART CPU ST30, with the part number 6ES7-288-1ST30-0AA0, is an enhanced entry-level programmable logic controller (PLC) designed for basic to moderately complex automation tasks. It is part of Siemens' S7-200 SMART series, which targets cost-effective and compact automation solutions for small machines and process control applications.

Key Features

• Model: S7-200 SMART CPU ST30 (6ES7-288-1ST30-0AA0)

• Power Supply: DC 20.4–28.8 V

• Digital Inputs: 18 x 24V DC

• Digital Outputs: 12 x 24V DC (transistor outputs)

• Program/Data Memory: 30 KB

• Integrated Communication:

  • Ethernet/PROFINET port for programming and networking

  • RS485 port supporting Modbus RTU/USS Master/Slave communication2

• Mounting: DIN rail

• Compact Design: Suitable for installations with limited space

• Expandability: Supports signal boards (SBs) for limited I/O expansion

• Programming Software: STEP 7 MicroWIN SMART

• Application Areas: Basic machine control, small conveyor systems, lighting control, simple process automation, and entry-level projects with increased I/O requirements

Typical Applications

• Basic machine automation with increased I/O needs

• Small conveyor or material handling systems

• Lighting and building control systems

• Simple process control in manufacturing or utilities

• Entry-level automation projects requiring a reliable and expandable PLC