Output Relay Setpoints; Text Setpoints - GE Multilin 489 Instruction Manual

Generator management relay
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1.3.5

Output Relay Setpoints

1.3.6

Text Setpoints

1–14
Courtesy of NationalSwitchgear.com
Press the
displayed, or enter the value directly via the
Press the
ENTER
If an entered setpoint value is out of range, the relay displays a message with the following
format:
OUT-OF-RANGE! ENTER:
1-300:1 by 0.01:1
In this case, 1 is the minimum setpoint value, 300 is the maximum, and 0.01 is the step
value. To have access to information on maximum, minimum, and step value, press the
key.
HELP
The output relays 1 Trip and 5 Alarm can be associated to auxiliary relays 2 to 4. Each can
be selected individually, or in combination, in response to customer specific requirements.
These relays are initiated through the
setpoints specific to a protection element or function.
Select the
RELAYS (1-4)
If an application requires the undervoltage protection element to trip the 3 Auxiliary
relay,
Select this output relay by pressing the "3" key; pressing the "3" key
again disables the 3 Auxiliary relay.
Enable/disable relays 1, 3, and 4 in the same manner until the desired
combination appear in the display.
Press the
As before, confirmation of this action will momentarily flash on the
display.
Text setpoints have data values, which are fixed in length, but user defined in character.
They may be comprised of uppercase letters, lowercase letters, numerals, and a selection
of special characters. The editing and storing of a text value is accomplished with the use
of the decimal [.],
, and
VALUE
CHAPTER 1: GETTING STARTED
keys until 115.00 : 1 is
VALUE
numeric keypad.
key to store the setpoint.
"1-300:1" indicates the range and "0.01:1" indicates the
step value
ASSIGN ALARM RELAYS
S6 VOLTAGE ELEMENTS
UNDERVOLTAGE
setpoint message.
ASSIGN TRIP
RELAYS (1-4): 1---
ASSIGN TRIP
RELAYS (1-4): --3-
key to store this change into memory.
ENTER
NEW SETPOINT HAS
BEEN STORED
keys.
ENTER
489 GENERATOR MANAGEMENT RELAY – INSTRUCTION MANUAL
VOLTAGE TRANSFORMER
RATIO: 115.0: 1
NEW SETPOINT HAS
BEEN STORED
or
ASSIGN TRIP RELAYS
ASSIGN TRIP

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