This support documentation is shipped as part of the equipment delivery to the site. This site provides a list of the OEM documents that were available at the time of this printing. The manufacturer's name and model number should be obtainable from component labeling. With today's technology, most manufacturers have an internet website that provides contacts with the company for technical support.
Some websites even offer access to their current support documentation.
If the manufacturer has a website, its URL address is provided. A column of information is provided which associates the line item to a number assigned by Siemens which must be used to order the book. Technical Knowledge Dept.