GE M60 UR Series

GE Multilin M60 Motor Protection System 2-21
2 PRODUCT DESCRIPTION 2.3 SPECIFICATIONS
2
SELECTOR SWITCH
Number of elements: 2
Upper position limit: 1 to 7 in steps of 1
Selecting mode: time-out or acknowledge
Time-out timer: 3.0 to 60.0 s in steps of 0.1
Control inputs: step-up and 3-bit
Power-up mode: restore from non-volatile memory or syn-
chronize to a 3-bit control input or synch/
restore mode
DIGITAL ELEMENTS
Number of elements: 48
Operating signal: any FlexLogic operand
Pickup delay: 0.000 to 999999.999 s in steps of 0.001
Dropout delay: 0.000 to 999999.999 s in steps of 0.001
Timing accuracy: ±3% or ±4 ms, whichever is greater
2.3.3 MONITORING
OSCILLOGRAPHY
Maximum records: 64
Sampling rate: 64 samples per power cycle
Triggers: any element pickup, dropout, or operate;
digital input change of state; digital out-
put change of state; FlexLogic equation
Data: AC input channels; element state; digital
input state; digital output state
Data storage: in non-volatile memory
EVENT RECORDER
Capacity: 1024 events
Time-tag: to 1 microsecond
Triggers: any element pickup, dropout, or operate;
digital input change of state; digital out-
put change of state; self-test events
Data storage: in non-volatile memory
USER-PROGRAMMABLE FAULT REPORT
Number of elements: 2
Pre-fault trigger: any FlexLogic operand
Fault trigger: any FlexLogic operand
Recorder quantities: 32 (any FlexAnalog
TM
value)
DATA LOGGER
Number of channels: 1 to 16
Parameters: any available analog actual value
Sampling rate: 15 to 3600000 ms in steps of 1
Trigger: any FlexLogic operand
Mode: continuous or triggered
Storage capacity: (NN is dependent on memory)
1-second rate:
01 channel for NN days
16 channels for NN days

60-minute rate:
01 channel for NN days
16 channels for NN days
MOTOR LEARNED DATA
Learned acceleration time accuracy: 1%
Learned starting current accuracy: 1%
Average motor load learned accuracy: 1%
2.3.4 METERING
RMS CURRENT: PHASE, NEUTRAL, AND GROUND
Accuracy at
0.1 to 2.0  CT rating: ±0.25% of reading or ±0.1% of rated
(whichever is greater)
2.0  CT rating: ±1.0% of reading
RMS VOLTAGE
Accuracy: ±0.5% of reading from 10 to 208 V
REAL POWER (WATTS)
Accuracy at 0.1 to 1.5 x
CT rating and 0.8 to
1.2 x VT rating: ±1.0% of reading at –1.0  PF< –0.8 and
0.8 < PF 10
REACTIVE POWER (VARS)
Accuracy at 0.1 to 1.5 x
CT rating and 0.8 to
1.2 x VT rating: ±1.0% of reading at –0.2  PF  0.2
APPARENT POWER (VA)
Accuracy at 0.1 to 1.5 x
CT rating and 0.8 to
1.2 x VT rating: ±1.0% of reading
WATT-HOURS (POSITIVE AND NEGATIVE)
Accuracy: ±2.0% of reading
Range: ±0 to 1  10
6
MWh
Parameters: three-phase only
Update rate: 50 ms
VAR-HOURS (POSITIVE AND NEGATIVE)
Accuracy: ±2.0% of reading
Range: ±0 to 1  10
6
Mvarh
Parameters: three-phase only
Update rate: 50 ms