Siemens 6ES7677-2SB42-0GB0, Logic Controller with 8 GB DDR3 RAM

The Siemens 6ES7677-2SB42-0GB0 is a logic controller engineered for the SIMATIC ET200 distributed I/O system. It enables decentralised control tasks to be executed directly within the ET200 station. With integrated processing, memory, and communication resources, it supports modular machine architectures and flexible automation layouts. It is commonly used in applications that require local decision-making, short cycle times, and reliable communication with higher-level controllers.

Unique Features and Benefits of Choosing the Siemens Logic Controller for SIMATIC ET200

• Designed for direct use in the SIMATIC ET200 distributed automation platform.
• Executes local control logic to reduce the main PLC cycle load.
• Supports modular I/O expansion and distributed system layouts.
• Enables fast cycle times for time-critical machine processes.
• Integrates seamlessly with STEP 7 / TIA Portal environments.
• Suitable for use in networked, decentralised machine sections.

Planned for Scalable Automation

This logic controller is suited for applications where process sections need independent control while maintaining coordination with a central system. By implementing ET200-level processing logic, communication delays are minimised and machine responsiveness improves. Programming, diagnostics, and parameterisation are handled through standard Siemens engineering tools, ensuring consistent workflows across entire systems.

Versatility in Applications

• Distributed control for modular machine segments.
• Production cells require localised motion or sequencing logic.
• Packaging machinery with separate synchronised stations.
• Assembly and material-handling systems with sectional autonomy.
• Automation designs requiring scalable plant-wide communication.

For more information please check the datasheets.