Methods and systems for monitoring process equipment such as field devices. A QR code can be associated with a field device, wherein the QR code contains data that identifies the field device, and also includes process data regarding the field device, the location of the field device, and maintenance information, installation information and fault information associated with the field device. The QR code can then be scanned and decoded in order to retrieve the data for use in in monitoring and maintaining field devices in the context of a connected plant.