Dual Setpoints; Setpoint Message Map - GE 489 Instruction Manual

4.1 OVERVIEW
The 489 has dual settings for the current, voltage, power, RTD, and thermal model protection elements (S5 to S9). These
setpoints are organized in two groups: the main group (Group 1) and the alternate group (Group 2). Only one group of set-
tings is active in the protection scheme at a time. The active group can be selected using the
setpoint or an assigned digital input in S3 Digital Inputs. The LED indicator on the faceplate of the 489 will indicate when
the alternate setpoints are active in the protection scheme. Independently, the setpoints in either group can be viewed and/
or edited using the
EDIT SETPOINT GROUP
be denoted by a superscript number indicating which setpoint group is being viewed or edited. Also, when a setpoint that
has dual settings is stored, the flash message that appears will indicate which setpoint group setting has been changed.
If only one setting group is required, edit and activate only Group 1 (that is, do not assign a digital input to Dual Setpoints,
and do not alter the
ACTIVATE SETPOINT GROUP
SS S1 SETPOINTS
SS 489 SETUP
S PASSCODE
S PREFERENCES
4
S SERIAL PORT
S REAL TIME CLOCK
S DEFAULT MESSAGES
S MESSAGE SCRATCHPAD
S CLEAR DATA
SS S6 SETPOINTS
SS VOLTAGE ELEMENTS
S UNDERVOLTAGE
S OVERVOLTAGE
S VOLTS/HERTZ
S PHASE REVERSAL
S UNDERFREQUENCY
S NEUTRAL O/V (Fund)
S NEUTRAL O/V (3rd)
S LOSS OF EXCITATION
S DISTANCE ELEMENT
SS S11 SETPOINTS
SS ANALOG I/O
S ANALOG OUTPUT 1
S ANALOG OUTPUT 2
S ANALOG OUTPUT 3
S ANALOG OUTPUT 4
S ANALOG INPUT 1
S ANALOG INPUT 2
S ANALOG INPUT 3
S ANALOG INPUT 4
4-2
setpoint. Headers for each setpoint message subgroup that has dual settings will
setpoint or
SS S2 SETPOINTS SS S3 SETPOINTS
SS SYSTEM SETUP SS DIGITAL INPUTS
S CURRENT SENSING S BREAKER STATUS
S VOLTAGE SENSING S GENERAL INPUT A
S GEN. PARAMETERS
S SERIAL START/STOP S GENERAL INPUT G
S REMOTE RESET
S TEST INPUT
S THERMAL RESET
S DUAL SETPOINTS
S SEQUENTIAL TRIP
S FIELD-BKR DISCREP.
S TACHOMETER
S WAVEFORM CAPTURE
S GND SWITCH STATUS
SS S7 SETPOINTS SS S8 SETPOINTS
SS POWER ELEMENTS SS RTD TEMPERATURE
S REACTIVE POWER S RTD TYPES
S REVERSE POWER S RTD #1
S LOW FORWARD POWER
S RTD #12
S OPEN RTD SENSOR
S RTD SHORT/LOW TEMP
SS S12 SETPOINTS
SS 489 TESTING
S SIMULATION MODE
S PRE-FAULT SETUP
S FAULT SETUP
S TEST OUTPUT RELAYS
S TEST ANALOG OUTPUT
S COMM PORT MONITOR
S FACTORY SERVICE
489 Generator Management Relay
setpoint in
EDIT SETPOINT GROUP
SS S4 SETPOINTS
SS OUTPUT RELAYS
S RELAY RESET MODE
↓
SS S9 SETPOINTS
SS THERMAL MODEL
S MODEL SETUP
S THERMAL ELEMENTS
↓
4 SETPOINT PROGRAMMING

4.1.3 DUAL SETPOINTS

ACTIVATE SETPOINT GROUP
).
S3 DIGITAL INPUTS

4.1.4 SETPOINT MESSAGE MAP

SS S5 SETPOINTS
SS CURRENT ELEMENTS
S OVERCURRENT ALARM
S OFFLINE O/C
S INADVERTENT ENERG
S PHASE OVERCURRENT
S NEGATIVE SEQUENCE
S GROUND O/C
S PHASE DIFFERENTIAL
S GROUND DIFFERENTIAL
S HIGH-SET PHASE O/C
SS S10 SETPOINTS
SS MONITORING
S TRIP COUNTER
S BREAKER FAILURE
S TRIP COIL MONITOR
S VT FUSE FAILURE
S CURRENT DEMAND
S MW DEMAND
S Mvar DEMAND
S MVA DEMAND
S PULSE OUTPUT
S RUNNING HOUR SETUP
GE Power Management