
Siemens 6ES7277-0AA21-0XA0
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The Siemens 6ES7277-0AA21-0XA0 is a PROFIBUS DP slave module designed for integration with SIMATIC S7-200 controllers. This module supports communication speeds from 9.6 kbps up to 12 Mbps and is equipped with a single PROFIBUS DP/MPI port, making it suitable for reliable data exchange within automated production environments. The 6ES7277-0AA21-0XA0 is compatible exclusively with CPU222 to CPU226 models that are running the latest firmware version, ensuring optimal performance and network compatibility. Weighing approximately 120 grams, the device is robust and built for continuous operation in industrial conditions. The Siemens 6ES7277-0AA21-0XA0 enables seamless connection between S7-200 PLCs and PROFIBUS networks, streamlining process control and monitoring in demanding settings.
- Fast delivery from large inventory, minimizing downtime in production environments
- Available as a refurbished component with a standard 2-year warranty, supporting sustainable operations
- Guaranteed compatibility with Siemens S7-200 systems for dependable communication



