The Endress+Hauser IIoT Hub allows the storage of documents. A document is a written, drawn, presented or recorded representation of thoughts. They are identifiable through their name and version. Documents are assignable to assets, products, instrumentations, events or even more entities. A document has a classification property (that indicates if its content is e.g. confidential, internal or public), a category and also a status.
Attachments are the files where the content of the document is stored. These are the concrete instances of a document and they are of a special format (MIME-Type) and in dedicated language(s).
For security reasons, not all file types can be uploaded. The following file types are allowed: