Single Line Diagram - GE 845 Instruction Manual

FRONT CONTROL PANEL INTERFACE

Single Line Diagram

3–6
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 845 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.
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 845 and Breaker/Transformer status color
The 845 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
• Rated Winding 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
The breaker status icon changes state according to the breaker status input and the color
scheme setting (
Setpoints > Device > Front Panel > Display Properties > Color Scheme
show Breaker status.
The winding voltage setting for each breaker is displayed on the associated branch. The
winding configuration icon will display either a 2-winding or 3-winding transformer based
on the order code.
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845 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL
CHAPTER 3: INTERFACES
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