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GEK-113032A W650 Wind Generator Protection System 4-594 HUMAN INTERFACES. 4.2 HUMAN MACHINE INTERFACE (HMI)4L-R: Scroll.Rotating the shuttle key left (L) or right (R) moves among all the events contained in the all events screen, allowing apreview of the details for each of them.When this option is selected, the system marks the event where the cursor is located. A relative time stamp isperformed, in such a way that the selected event, marked with an asterisk (*) between the time and the event name isset with a relative time of 00:00:00:000 on the top line of the event screen, together with its relative index, and the restof events in the screen will show a date/time that relates to the marked event. This operation mode allows a quickinspection of the relative time passed between several events, which is very useful for analyzing events in the field.The corresponding legend to this relative event-marking screen is as follows:Esc: Out At. Intro: Tag event.Esc: Out At.The relative event marking is eliminated and the system returns to the general events screen.Intro: Tag event.If the user places the cursor on a different event by rotating the shuttle key left or right, pressing the shuttle keywill change the relative mark to that new event.4.2.6.4 NEW EVENTS SCREENThis screen shows the new events that have been produced in the relay since the last time the New Events screen wasread. The top of the screen shows a “New Events” legend, and the relative and total number of events contained.Navigation through the different menus in this New Events screen is similar to the one described in the previous section forAll Events. The main difference is that in the case of new events it is necessary to select the RELOAD submenu to updatethe screen with new events that have been produced, while in the All Events screen, this refreshment is automatic.After the new events have been read, if the user selects again the Reload menu, the system will show a available.> message, indicating that there are no more new events available since the last reading. |
