Annunciator - GE D90 Plus Instruction Manual

CHAPTER 4: INTERFACES

Annunciator

Annunciator operation
PLUS
D90 LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL
Figure 43: Equipment manager battery monitor alarms example
The annunciator is a color TFT panel located that emulates the functionality found in a
conventional annunciator unit.
The annunciator provides indications on the status of system alarm points. It also displays
self-test messages and product information for the unit.
Figure 44: Typical annunciator display
There are three control buttons at the bottom of the display.
• The Next Page button cycles through the pages of alarms and to the self-test page.
• The Next Alarm button cycles horizontally through the current alarms, from left to
right, starting with the first row of alarms. A graphical frame borders the current
status box to indicate the selected alarm. The front panel display is dynamically
controlled according to the selected alarm.
• The Ack button controls the state of the alarms.
The annunciator alarm sequence conforms to ISA 18.1-1979 (R1992) standard, type R.
FRONT PANEL OVERVIEW
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