GE 869 Instruction Manual page 422

MONITORING
4–290
FUNCTION - STATOR
Range: Disabled, Enabled
Default: Disabled
When the Enabled function is selected, the element checks for the stator Fault status as
programmed.
BASELINE PERIOD
Range: 1 to 240 hours in steps of 1hr
Default: 48 hours
Baseline period indicates the duration of time (motor running hours) that the relay stays
in this period to capture baseline data, during installation or commissioning, for
extracting baseline (healthy) dB magnitudes.
BASELINE MODE
Range: Disabled, Enabled
Default: Disabled
Baseline mode is disabled by default. During installation/commissioning baseline mode
must be enabled along with having a set baseline period. The 869 will capture baseline
data for the specified time period then go back to operational mode automatically. If
necessary, the user can clear the baseline data and restart data capture by enabling
baseline mode and setting or changing the baseline period.
RATED INPUT POWER
Range:1 to 100 000 kW in steps of 1 kW
Default: 1 kW
Rated input power must be configured using the motor nameplate data/information
provided by the manufacturer.
NUMBER OF ROLLING ELEMENTS
Range: 1 to 1000 in steps of 1
Default: 1
Number of rolling elements (ball or cylindrical) must be configured using the motor
bearing specification information provided by manufacturer.
CAGE DIAMETER
Range: 0.001 to 1000.000 inches in steps of 0.001
Default: 0.500 inch
Cage diameter needs to be configured using the motor bearing specification
information provided by the manufacturer. See 'Dc' in the following figure: Ball bearing
cross-sectional view for reference.
ROLLING ELEMENT BALL DIAMETER
Range: 0.001 to 1000.000 inches in steps of 0.001
Default: 0.100 inch
Rolling element ball diameter needs to be configured using the motor bearing
specification information provided by the manufacturer. See 'Db' in the following figure:
Ball bearing cross-sectional view for reference.
869 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL
CHAPTER 4: SETPOINTS