No legitimate free version exists. However, the IEC often offers "previews" (first 10 pages) for free on their webstore. Also, check your local library's standards database.
This object-oriented approach mirrors how modern engineering software (CAD, EPLAN, AutoCAD Electrical) works. iec 61346-1 pdf
The standard forces you to admit that -Q01 (the VFD) and --K01 (the contactor) are with a parent-child relationship. No legitimate free version exists
First published in 1996, IEC 61346-1 (formerly known as IEC 1346-1) provides a framework for identifying objects within a system by correlating information across various documents and physical products. Its goal is to create a "common language" that allows different engineering disciplines—such as electrical, mechanical, and civil—to collaborate using a unified identification method. Key Concepts and Principles No legitimate free version exists. However