Rs232 Program Port; Keypad - GE 489 Instruction Manual

3.1 FACEPLATE INTERFACE
• VT FAILURE: Indicates that the VT fuse failure alarm is picked up.
• BREAKER FAILURE: Indicates that the breaker failure or trip coil monitor alarm is picked up.
c) OUTPUT RELAY LED INDICATORS
• R1 TRIP: R1 Trip relay has operated (energized).
• R2 AUXILIARY: R2 Auxiliary relay has operated (energized).
• R3 AUXILIARY: R3 Auxiliary relay has operated (energized).
• R4 AUXILIARY: R4 Auxiliary relay has operated (energized).
• R5 ALARM: R5 Alarm relay has operated (energized).
• R6 SERVICE: R6 Service relay has operated (de-energized, R6 is fail-safe, normally energized).
3
This port is intended for connection to a portable PC. Setpoint files may be created at any location and downloaded through
this port with the 489PC software. Local interrogation of setpoints and actual values is also possible. New firmware may be
downloaded to the 489 flash memory through this port. Upgrading the relay firmware does not require a hardware
EEPROM change.
a) DESCRIPTION
The 489 messages are organized into pages under the headings
gates through the programmable parameters (setpoints) page headers. The
parameters (actual values) page headers.
• Each page is divided into logical subgroups of messages. The
through these subgroups.
• The key is dual purpose. It is used to enter the subgroups or store altered setpoint values.
ENTER
• The key is also dual purpose. It may be used to exit the subgroups or to return an altered setpoint to its original
ESCAPE
value before it has been stored.
• The and
VALUE
numerical setpoint values. These values may also be entered with the numeric keypad.
• The key may be pressed at any time for context sensitive help messages.
HELP
b) ENTERING ALPHANUMERIC TEXT
There are several places where custom text messages may be programmed for specific applications. One example is the
MESSAGE SCRATCHPAD
"Generator#1", perform the following procedure:
1. Press the decimal key [.] to enter text edit mode.
3-2
keys scroll through variables in setpoint programming mode and will increment/decrement
VALUE
Figure 3–2: 489 KEYPAD
. The following example demonstrates how to enter alphanumeric text messages. To enter the text,
489 Generator Management Relay

3.1.3 RS232 PROGRAM PORT

and
SETPOINTS ACTUAL VALUES
key navigates through the measured
ACTUAL
and keys are used to navigate
MESSAGE MESSAGE
808711A1.CDR
3 USER INTERFACES

3.1.4 KEYPAD

. The key navi-
SETPOINT
GE Multilin