Welcome to the DLMS/COSEM Yellow Book Complete Masterclass, a comprehensive training program designed to help you master the official DLMS/COSEM Yellow Book and understand the complete communication and conformance testing framework used in modern smart metering systems.
The DLMS/COSEM Yellow Book, published by the DLMS User Association, defines the official conformance testing methodology used to verify that DLMS/COSEM-based devices communicate correctly, securely, and reliably. It provides standardized test procedures that ensure interoperability between smart meters, data concentrators, head-end systems, and utility communication networks developed by different manufacturers.
This course has been carefully designed for both beginners and experienced professionals. Every topic is explained in simple, easy-to-understand language, allowing you to build your knowledge step by step, from the fundamentals to advanced conformance testing concepts.






