IEC60870-5-103 Library

cs 103

Protocol Library

Our IEC 60870-5-103 library is built upon the strong foundation of our 60870-5 protocol library. We have built from the ground up our latest library that allows you to easily communicate with legacy equipment. As a result, MZ Automation now offers an up-to-date version with the following benefits:

cs 103

Improved Efficiency

Scalability at its core

User-Friendly Customization



Support and Accessibility

MZ Automation’s IEC 60870-5-103 Library is a modern solution for efficient communication with legacy hardware in power system control. Unlike outdated versions persisting for over 25 years, our contemporary library brings marked improvements in efficiency, scalability, and user-friendly customization. Serving as a standard for interoperability with legacy systems, it is the preferred choice for industries. The library simplifies IEC 60870-5-103 protocol implementation in embedded devices and applications, providing a cost-effective solution. With an intuitive API for ease of use and flexibility, the C source code library focuses on the original protocol’s architecture. Its hardware and platform-independent structure ensures seamless deployment across various platforms, tailored to legacy system requirements.

Recognizing the prevalence of IEC 60870-5-103 in communication with legacy hardware, MZ Automation’s library is committed to providing continued support. Experience accelerated communication, reduced latency, and enhanced system performance. The library seamlessly grows with your energy systems, offering enhanced scalability features. Enjoy an intuitive development environment for easy customization and fine-tuning. Choose MZ Automation’s IEC 60870-5-103 library for reliability, supported by industry-standard protocol implementations and a straightforward API, ensuring a smooth integration process.

• Standardized for interoperability with legacy systems
• Intuitive API for ease of use and flexibility
• Focus on the original protocol’s architecture for optimized performance
• Hardware and platform-independent structure for seamless deployment across various platforms
• Accelerated and streamlined communication, reducing latency and enhancing overall system performance
• Enhanced scalability features for seamless adaptation to the size and complexity of energy systems
• Intuitive development environment facilitating easy customization and fine-tuning of settings.

      • CS 103 (IEC 60870-5-103) unbalanced serial modes.
      • Master (client) side programming
      • Slave(server) side programming
      • Master (client) information in control direction and in reverse direction
      • Slave(server) information in monitor direction and in reverse direction
      • System function, status indications and supervision indications in monitor direction
      • All standard ASDU types are supported and can be found in the user guide.

      Commercial License

      For integration in commercial products a commercial license is required. With the commercial license you can develop and distribute your own closed source applications. For the commercial license there are also professional support and maintenance services available.

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      MZ Automation GmbH
      Merzhauser Str. 76
      79100 Freiburg
      +49 7681 – 20 91 980


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      +49 7681 – 20 91 980

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