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CHAPTER 3: INTERFACES
Single Line Diagram
850 FEEDER PROTECTION SYSTEM – INSTRUCTION MANUAL
BKR1 LED setting for Breaker symbol color configuration
In all 8 Series devices the breaker symbol color is configurable through the first LED
assigned to operate with the BKR 1 Open operand.
Figure 3-6: BKR1 Operand LED settings and screen symbols
Single Line Diagram for 850
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
The breaker status icon changes state according to the breaker status input and the color
of the icon changes in accordance with the LED color setting.
The parameters displayed in the Front panel screen example are as follows.
FRONT CONTROL PANEL INTERFACE
3–7
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