CHAPTER 3: INTERFACES FRONT CONTROL PANEL INTERFACE
850 FEEDER PROTECTION SYSTEM – INSTRUCTION MANUAL 3–7
The Up, Down, Left, and Right pushbuttons on the membrane faceplate are used to move
the yellow highlight. These pushbuttons are also used on special screens to navigate to
multiple objects.
The Escape pushbutton is used to display the previous menu. This pushbutton can also be
used to cancel a setpoint change.
The Reset pushbutton clears all latched LED indications, target messages, and latched
output relays, providing the conditions causing these events are not present.
To change (or view) an item on (or from) the 850 menus:
1. Use the pushbuttons that correspond to the tabs (Targets, Status, Metering, Setpoints,
Records) on the screen to select a menu.
2. Use the Up and Down pushbuttons to highlight an item.
3. Press Enter to view a list of values for the chosen item. (Some items are view-only.)
4. Use the Up and Down pushbuttons to highlight a value.
5. Press Enter to assign the highlighted value to the item.
Single Line Diagram BKR1 LED setting for Breaker symbol color configuration
In all 8 Series devices the Breaker symbol color is configurable as per the color scheme
setting in
Setpoints > Device > Front Panel > Display Properties > Color Scheme.
Single Line Diagram for 850 and Breaker status color
The 850 has a single line diagram (SLD) that represents the power system. The single line
diagram provided is pre-configured to show:
•Breaker status
• AC input connection
•System voltage
Accompanying the single line diagram are typical metered values associated with the
power system.
The single line diagram is configured as the default menu but this can be changed under
Setpoints > Device > Front Panel > Default Screen.
Figure 3-7: SLD and typical metered values screen
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