Method for operating and/or monitoring a field device, and corresponding field device

A method for servicing and/or monitoring a field device of process and automation technology, comprising the steps of:

• taking at least one photograph of at least one section of the field device, wherein the field device possesses a housing, which housing is embodied in such a manner that information concerning an Internet address is encoded in the section from which Internet address data concerning the field device can be obtained;
• and
• evaluating and/or processing the photograph in such a manner, that there results at least one piece of information concerning an access location for field device data related to the field device, such that a request for data is made to the access location, wherein:
• the at least one piece of information about the access location is the Internet address,
• the photograph is the starting point for the request and that the essential information for the request is obtained from the photograph;
• and that,
• in response to the request for data, field device data are supplied from the access location.