Static information about a logical device that delivers a service. A device can announce itself, or the information can be enriched by operators. Information about the type of the device. Time of the last update of the device information, i.e. the time of the information in this class was last updated. This publication provides static information about devices, including its point-location. It can be used in case no specific publication for the type of device is available or suitable. Fault- and StatusPublication can reference to the specified devices. This enumeration provides information on types of field devices. camera A variable message sign