Preferences - GE Multilin 489 Instruction Manual
Generator management relay
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Also See for Multilin 489:
- Instruction manual (306 pages) ,
- Communications manual (78 pages) ,
- Instruction manual (259 pages)
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5.2.2
Preferences
PREFERENCES
5–10
Courtesy of NationalSwitchgear.com
Enter the current valid passcode.
Press
MESSAGE DOWN
and follow the directions.
If an invalid passcode is entered, the encrypted passcode is viewable by
pressing
Consult GE Multilin with this number if the currently programmed
passcode is unknown. The passcode can be determined with deciphering
software.
PATH: SETPOINTS
S1 489 SETUP
DEFAULT MESSAGE
[ ]
CYCLE TIME: 2.0 s
DEFAULT MESSAGE
MESSAGE
TIMEOUT: 300 s
PARAMETER AVERAGES
MESSAGE
CALC. PERIOD: 15 min
TEMPERATURE DISPLAY:
MESSAGE
Celsius
WAVEFORM TRIGGER
MESSAGE
POSITION: 25%
WAVEFORM MEM BUFFER
MESSAGE
8x14 cycles
Some of the 489 characteristics can be modified to suit different situations. Normally the
S1 489 SETUP
PREFERENCES
•
DEFAULT MESSAGE CYCLE TIME: If multiple default messages are chosen, the display
automatically cycles through these messages. The messages display time can be
changed to accommodate different reading rates.
•
DEFAULT MESSAGE TIMEOUT: If no keys are pressed for a period of time then the relay
automatically scans through a programmed set of default messages. This time can be
modified to ensure messages remain on the screen long enough during programming
or reading of actual values.
•
PARAMETER AVERAGES CALCULATION PERIOD: The period of time over which the
parameter averages are calculated may be adjusted with this setpoint. The
calculation is a sliding window.
•
TEMPERATURE DISPLAY: Measurements of temperature may be displayed in either
Celsius or Fahrenheit. Each actual value temperature message will be denoted by
either °C for Celsius or °F for Fahrenheit. RTD setpoints are always displayed in Celsius.
•
WAVEFORM TRIGGER: The trigger setpoint allows the user to adjust how many pre-
trip and post-trip cycles are stored in the waveform memory when a trip occurs. A
to display the
CHANGE PASSCODE
.
HELP
PREFERENCES
Range: 0.5 to 10.0 s in steps of 1
Range: 10 to 900 s in steps of 1
Range: 1 to 90 min. in steps of 1
Range: Celsius, Fahrenheit
Range: 1 to 100% in steps of 1
Range: 1x64, 2x42, 3x32, 4x35, 5x21,
setpoints group will not require any changes.
489 GENERATOR MANAGEMENT RELAY – INSTRUCTION MANUAL
CHAPTER 5: SETPOINTS
message
6x18, 7x16, 8x14, 9x12, 10x11,
11x10, 12x9, 13x9, 14x8, 15x8,
16x7 cycles
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