GE 469

1-8 469 Motor Management Relay GE Power Management
1.2 SPECIFICATIONS 1 INTRODUCTION
1
PRESSURE SWITCH
Configurable: Assignable to Digital Inputs1 to 4
Time Delay: 0.1 to 100.0 s in steps of 0.1
Block From Start: 0 to 5000 s in steps of 1
Timing Accuracy: ±100 ms or ±0.5% of total time
Elements: Trip and Alarm
VIBRATION SWITCH
Configurable: Assignable to Digital Inputs1 to 4
Time Delay: 0.1 to 100.0 s in steps of 0.1
Timing Accuracy: ±100 ms or ±0.5% of total time
Elements: Trip and Alarm
DIGITAL COUNTER
Configurable: Assignable to Digital Inputs1 to 4
Counting Frequency: ≤ 50 times a second
Range: 0 to 1 000 000 000
Elements: Alarm
TACHOMETER
Configurable: Assignable to Digital Inputs1 to 4
RPM Measurement: 100 to 7200 RPM
Duty Cycle of Pulse: > 10%
Elements: Trip and Alarm
GENERAL PURPOSE SWITCH
Configurable: Assignable Digital Inputs1 to 4
Time Delay: 0.1 to 5000.0 s in steps of 0.1
Block From Start: 0 to 5000 s in steps of 1
Timing Accuracy: ±100 ms or ±0.5% of total time
Elements: Trip and Alarm
POWER FACTOR
Range: 0.01 lead or lag to 1.00
Pickup Level: 0.99 to 0.05 in steps of 0.01, Lead & Lag
Time Delay: 0.2 to 30.0 s in steps of 0.1
Block From Start: 0 to 5000 s in steps of 1
Pickup Accuracy: ±0.02
Timing Accuracy: ±100 ms or ±0.5% of total time
Elements: Trip and Alarm
3 PHASE REAL POWER
Range: 0 to ±99999 kW
Underpower Pickup: 1 to 25000 kW in steps of 1
Time Delay: 1 to 30 s in steps of 1
Block From Start: 0 to 15000 s in steps of 1
Pickup Accuracy:
±1% of × 2 × CT × VT × VT
full scale
at I
avg
< 2 × CT
±1.5% of × 20 × CT × VT × VT
full scale
at I
avg
> 2 × CT
Timing Accuracy: ±0.5 s or ±0.5% of total time
Elements: Trip and Alarm
3 PHASE APPARENT POWER
Range: 0 to 65535 kVA
Accuracy:
±1% of × 2 × CT × VT × VT
full scale
@ I
avg
< 2 × CT
±1.5% of × 20 × CT × VT × VT
full scale
@ I
avg
> 2 × CT
3 PHASE REACTIVE POWER
Range: 0 to ±99999 kvar
Pickup Level: ±1 to 25000 kvar in steps of 1
Time Delay: 0.2 to 30.0 s in steps of 0.1
Block From Start: 0 to 5000 s in steps of 1
Pickup Accuracy:
±1% of × 2 × CT × VT × VT
full scale
@ I
avg
< 2 × CT
±1.5% of × 20 × CT × VT × VT
full scale
@ I
avg
> 2 × CT
Timing Accuracy: ±100ms or ± 0.5% of total time
Elements: Trip and Alarm
OVER TORQUE
Pickup Level: 1.0 to 999999.9 Nm/ft·lb in steps of 0.1;
torque unit is selectable under torque
setup
Time Delay: 0.2 to 30.0 s in steps of 0.1
Pickup Accuracy: ±2.0%
Time Accuracy: ±100 ms or 0.5% of total time
Elements: Alarm (INDUCTION MOTORS ONLY)
METERED REAL POWER CONSUMPTION
Description: Continuous total of real power
consumption.
Range: 0 to 2000000.000 MW·hours.
Timing Accuracy: ±0.5%
Update Rate: 5 seconds
METERED REACTIVE POWER CONSUMPTION
Description: Continuous total of reactive power
consumption.
Range: 0 to 2000000.000 Mvar·hours
Timing Accuracy: ±0.5%
3
3
3
3
3
3