D90
Chapter 4: Front panel interface
Front panel
PLUS
D90
LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL
Plus
Line Distance Protection System
Front panel interface
This chapter explains use of the front panel interface.
The front panel provides an interface with the D90
displays (LCDs) (annunciators) and two sets of user-programmable pushbuttons. This
interface provides immediate access to all major D90
The pushbuttons located at the bottom of the display are for navigation. The pushbuttons
located at both sides of the display are for control functions.
The annunciators are color LCDs that provides alarm and trip information. They also
provide indication of any active self-diagnostic messages and include a product
information screen.
The front panel contains a USB port for communication with a computer running the
EnerVista software.
Plus
. It includes two color liquid crystal
Plus
functions.
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