4-24 D30 LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUALFRONT PANEL INTERFACE CHAPTER 4: INTERFACES4Figure 4-29: Pushbuttons to control the breakerPress the pushbutton to close the breaker, confirming the action at the prompt.In this diagram, the two circuit breakers have hard-coded actions available to them. No action is possible on the switches.Note the USER PB 9 and 10 entries in the earlier figure. As outlined later, these are activated by clicking the PB icon on thesoftware toolbar. These two pushbuttons can be configured under Settings > Product Setup > User-ProgrammablePushbuttons.Single-line diagram editor useStart the application in the EnerVista software under Settings > Product Setup > Graphical Panel > Single Line DiagramEditor.The following buttons display at the top of the window:• Save — Updates the connected device if online or the open setting file if offline with changes made• Restore — Undoes changes that have not been saved• Load — Opens single-line diagram files, which replaces one or all five windows with that in the file selected• Store — Saves all five single-line diagrams as a .mif fileOn the right side of the window is a toolbox containing the components that can be added to the window. These includeline, breaker, disconnect, metering value, status value, text, and miscellaneous power system elements. To create thesingle-line diagram, click the symbol, then click in the window. Once in the window, the component can be positioned andits properties modified. When using the pointing device to position a component, the component can snap to the nearestsnap point. Snap points are in a 4 x 4 rectangular grid. The keyboard arrow keys move the selected component(s) in onepixel increments when snap locations are inadequate. Multiple components can be selected and moved or deleted as agroup, or copied and pasted to another location. Right- or double-clicking a component opens the properties window.Ctrl+A selects all objects in a diagram.LinesLine components represent power system buses or electrical connections between power system elements. They can alsobe used as visual dividers and underline.To add a line component, click it in the toolbox, then click in the window. Double-click a line to open its properties windowto set orientation.Figure 4-30: Line and bus crossover symbols
