3–2 889 GENERATOR PROTECTION SYSTEM – INSTRUCTION MANUAL
FRONT CONTROL PANEL INTERFACE CHAPTER 3: INTERFACES
Front Control Panel Interface
The relay provides an easy to use faceplate for menu navigation using 5 navigation
pushbuttons and a high quality graphical display. Conveniently located on the panel is a
group of 7 pushbuttons for Up/Down value selection, Enter, Home, Escape, Help, and Reset
functions. The faceplate also includes 3 programmable function pushbuttons with LEDs.
Fourteen other status LEDs are available, 12 of which are programmable.
Figure 3-1: Front Control Panel
Figure 3-2: 889 Front Control Panel)
The USB port is intended for connection to a portable computer.
ESCAPE
ENTER HELP
IN SERVICE
TRIP
ALARM
PICK UP
LOSS OF EXCIT
AUX OVERVOLT
BKR 1 FAILURE
CLOSE
RESET
OPEN F1
BKR 1 OPEN
BKR 2 OPEN
LOCAL MODE
GEN UNBALANCE
TARGETS STATUS METERING SETPOINTS RECORDS
Navigation
Pushbuttons
Menu tabs associated
with pushbuttons for
screen navigation
Pushbuttons for
setpoints, and Up/ Down
value selections
“HELP”:help with
setting selection
“ESCAPE”: return to
previous menu
“Home”:r
eturn to
Home or default screens
“ENTER”:enter selected
setting
“RESET”:reset latched targets,
LEDs, output relays
LEDs #1 and LED#4 (non-
programmable)
LED#2,LED#3,
and LEDs 5 to 14
(programmable)
Function PBs with LEDs
(programmable)
USB port
Display
LED labels
TEST MODE
MESSAGE
STATOR DIFFNT
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