Rockwell Automation 825-P Modular Protection System for Motors User Manual - Manual (Page 33)

Rockwell Automation Publication 825-UM004D-EN-P - November 2012 33
Chapter
3
Front Panel Operation
Front Panel Layout The 825-P Relay front-panel interface consists of two LEDs, an LCD display,
a seven-button keypad, and an EIA-232 serial port connector. The front-panel
layout is shown in Figure 22.
Figure 22 - Relay Front Panel
Normal Front Panel Display In normal operation, the relay ENABLE LED is illuminated and the LCD
display screen is on. The LCD screen rotates displays showing each screen for
about two seconds before moving to the next. The default rotating display screens
include Unit ID Line 1, Unit ID Line 2, line currents, and voltages (if available).
Enable the relay to add display messages as noted in the Display Enable settings
in Table 41.
Figure 23 - Default Display Screen
Use the UNIT ID LINE 1 (RID) and UNIT ID LINE 2 (TID) settings
described in Identifier Settings to change the contents of the information shown
in Figure 23.
If the front panel was in Access Level 2, it automatically returns to the default
display when the display times out. For more information, see Table 40.
LCD Display
Displays real-time and historic
information as well as relay setting
menus.
Arrows
Navigates through
menus or data lists
shown in the LCD Display.
Enter
Allows movement from
the default display to
the main menu.
Test/Reset
When pushed, will trip-test the relay
OR resets the trip.
Trip LED
Flashes to indicate alarm conditions
and illuminates solid to inidcate trip.
Enable LED
Illuminates when relay is operational.
EIA-232 Serial Port
Allows quick access to all relay data,
control, and setting functions using
a PC, serial cable, and software.
Escape
Reactivates the LCD Display
back-lighting and backs out of the
current menu or display.
PORT F
ENABLE
TRIP
TEST/RESET
ESC
825-P Modular
Prot. System