GE MOTOR MANAGEMENT RELAY 469 Instruction Manual page 20

1.2 SPECIFICATIONS
PRESSURE SWITCH
Configurable: Assignable to Digital Inputs1 to 4
1
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
1-8
3 PHASE REAL POWER
Range:
Underpower Pickup: 1 to 25000 kW in steps of 1
Time Delay:
Block From Start: 0 to 15000 s in steps of 1
Pickup Accuracy:
±1% of
±1.5% of
Timing Accuracy: ±0.5 s or ±0.5% of total time
Elements:
3 PHASE APPARENT POWER
Range:
Accuracy:
±1% of
±1.5% of
3 PHASE REACTIVE POWER
Range:
Pickup Level:
Time Delay:
Block From Start: 0 to 5000 s in steps of 1
Pickup Accuracy:
±1% of
±1.5% of
Timing Accuracy: ±100ms or ± 0.5% of total time
Elements:
OVER TORQUE
Pickup Level:
Time Delay:
Pickup Accuracy: ±2.0%
Time Accuracy:
Elements:
METERED REAL POWER CONSUMPTION
Description:
Range:
Timing Accuracy: ±0.5%
Update Rate:
METERED REACTIVE POWER CONSUMPTION
Description:
Range:
Timing Accuracy: ±0.5%
469 Motor Management Relay
1 INTRODUCTION
0 to ±99999 kW
1 to 30 s in steps of 1
× 2 × CT × VT × VT
3
full scale
× 20 × CT × VT × VT
3
full scale
Trip and Alarm
0 to 65535 kVA
× 2 × CT × VT × VT
3
full scale
× 20 × CT × VT × VT
3
full scale
0 to ±99999 kvar
±1 to 25000 kvar in steps of 1
0.2 to 30.0 s in steps of 0.1
× 2 × CT × VT × VT
3
full scale
× 20 × CT × VT × VT
3
full scale
Trip and Alarm
1.0 to 999999.9 Nm/ft·lb in steps of 0.1;
torque unit is selectable under torque
setup
0.2 to 30.0 s in steps of 0.1
±100 ms or 0.5% of total time
Alarm (INDUCTION MOTORS ONLY)
Continuous total of real power
consumption.
0 to 2000000.000 MW·hours.
5 seconds
Continuous total of reactive power
consumption.
0 to 2000000.000 Mvar·hours
GE Power Management
< 2 × CT
at I
avg
> 2 × CT
at I
avg
< 2 × CT
@ I
avg
> 2 × CT
@ I
avg
< 2 × CT
@ I
avg
> 2 × CT
@ I
avg