1. INTRODUCTION
SR469 SPECIFICATIONS
1-5
OVERLOAD / STALL PROTECTION / THERMAL MODEL
Overload Curves:
15 Standard Overload Curves
Custom Curve
Voltage Dependent Custom Curve, for High Inertia Starting
(all curves time out against average phase current)
Curve Biasing:
Phase Unbalance
Hot/Cold Curve Ratio
Stator RTD
Running Cool rate
Stopped Cool Rate
Line Voltage
Overload Pickup:
1.01 - 1.25 (for service factor)
Pickup Accuracy:
as per Phase Current Inputs
Timing Accuracy:
±100ms or ± 2 % of total time
Elements:
Trip and Alarm
PHASE SHORT CIRCUIT
Pick-up Level:
4.0 - 20.0 x CT primary in steps of 0.1
of any one phase
Time Delay:
0 - 1000 ms in steps of 10
Pickup Accuracy:
as per Phase Current Inputs
Timing Accuracy:
+50ms
Elements:
Trip
MECHANICAL JAM
Pick-up Level:
1.01 - 3.00 x CT primary in steps of 0.01
of any one phase, blocked on start
Time Delay:
1-30 s in steps of 1
Pickup Accuracy:
as per Phase Current Inputs
Timing Accuracy:
±0.5 s or ± 0.5 % of total time
Elements:
Trip
UNDERCURRENT
Pick-up Level:
0.10 - 0.95 x CT primary in steps of 0.01
of any one phase
Time Delay:
1 - 60 s in steps of 1
Block From Start:
0 - 15000 s in steps of 1
Pickup Accuracy:
as per Phase Current Inputs
Timing Accuracy:
±0.5 s or ± 0.5 % of total time
Elements:
Trip and Alarm
CURRENT UNBALANCE
Unbalance:
I
2
/I
1
if Iavg>FLA
I
2
/I
1
x Iavg/FLA if Iavg<FLA
Range:
0-100 % UB in steps of 1
Pick-up Level:
4 - 40 % UB in steps of 1,
Time Delay:
1 - 60 s in steps of 1
Pickup Accuracy:
±2%
Timing Accuracy:
±0.5 s or ± 0.5 % of total time
Elements:
Trip and Alarm
GROUND INSTANTANEOUS
Pick-up Level:
0.1 - 1.0 x CT primary in steps of 0.01
Time Delay:
0 - 1000 ms in steps of 10
Pickup Accuracy:
as per Ground Current Input
Timing Accuracy:
+50ms
Elements:
Trip and Alarm
PHASE DIFFERENTIAL INSTANTANEOUS
Pick-up Level:
0.05 - 1.0 x CT primary in steps of 0.01
of any one phase
Time Delay:
0 - 1000 ms in steps of 10
Pickup Accuracy:
as per Phase Differential Current Inputs
Timing Accuracy:
+50ms
Elements:
Trip
ACCELERATION TIMER
Pickup:
transition of no phase current to > overload pickup
Dropout:
when current falls below overload pickup
Time Delay:
1.0 - 250.0 s in steps of 0.1
Timing Accuracy:
±100ms or ± 0.5 % of total time
Elements:
Trip
JOGGING BLOCK
Starts/Hour:
1 - 5 in steps of 1
Time Between Starts:
1 - 500 min.
Timing Accuracy:
±0.5 s or ± 0.5 % of total time
Elements:
Block
RESTART BLOCK
Time Delay:
1 - 50000 s in steps of 1
Timing Accuracy:
±0.5 s or ± 0.5 % of total time
Elements:
Block
RTD
Pickup:
1 - 250
O
C in steps of 1
Pickup Hysteresis:
2
O
C
Time Delay:
3 s
Elements:
Trip and Alarm
UNDERVOLTAGE
Pick-up Level:
Motor Starting: 0.60 - 0.99x Rated in steps of 0.01
Motor Running: 0.60 - 0.99x Rated in steps of 0.01
of any one phase
Time Delay:
0.1 - 60.0 s in steps of 0.1
Pickup Accuracy:
as per Voltage Inputs
Timing Accuracy:
<100 ms or ± 0.5 % of total time
Elements:
Trip and Alarm
OVERVOLTAGE
Pick-up Level:
1.01 - 1.10x Rated in steps of 0.01
of any one phase
Time Delay:
0.1 - 60.0 s in steps of 0.1
Pickup Accuracy:
as per Voltage Inputs
Timing Accuracy:
±100ms or ± 0.5 % of total time
Elements:
Trip and Alarm
VOLTAGE PHASE REVERSAL
Configuration:
ABC or ACB phase rotation
Timing Accuracy:
500 - 700 ms
Elements:
Trip
FREQUENCY
Required Voltage:
> 30% of full scale in Phase A
Overfrequency Pickup:
25.01 - 70.00 in steps of 0.01
Underfrequency Pickup:20.00 - 60.00 in steps of 0.01
Accuracy:
± 0.02 Hz
Time Delay:
0.1 - 60.0 s in steps of 0.1
Timing Accuracy:
<100ms or ± 0.5 % of total time
Elements:
Trip and Alarm
REDUCED VOLTAGE START
Transition Level:
25 - 300 % FLA in steps of 1
Transition Time:
1 - 250 s in steps of 1
Transition Control:
Current, Timer, Current and Timer
REMOTE SWITCH
Configurable:
Assignable to Digital Inputs1- 4
Timing Accuracy:
100ms max.
Elements:
Trip and Alarm
SPEED SWITCH
Configurable:
Assignable to Digital Inputs1- 4
Time Delay:
1.0 - 250.0 s in steps of 0.1
Timing Accuracy:
100ms max.
Elements:
Trip
LOAD SHED
Configurable:
Assignable to Digital Inputs1- 4
Timing Accuracy:
100ms max.
Elements:
Trip
PRESSURE SWITCH
Configurable:
Assignable to Digital Inputs1- 4
Time Delay:
0.1 - 100.0 s in steps of 0.1
Block From Start:
0 - 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- 4
Time Delay:
0.1 - 100.0 s in steps of 0.1
Timing Accuracy:
±100 ms or ± 0.5 % of total time
Elements:
Trip and Alarm
Summary of Contents for SR469
Page 7: ......
Page 19: ...2 INSTALLATION MECHANICAL 2 5 2 1 5 TERMINAL LOCATIONS Figure 2 11 TERMINAL LAYOUT...
Page 21: ...2 INSTALLATION ELECTRICAL 2 7 Figure 2 12 TYPICAL WIRING DIAGRAM...
Page 32: ...ELECTRICAL 2 INSTALLATION 2 18 2 2 14 TYPICAL 2 SPEED MOTOR WIRING...
Page 39: ...OVERVIEW 3 SR469 OPERATION 3 6 yy SETPOINTS yy S1 SR469 SETUP...
Page 104: ...4 SETPOINT PROGRAMMING S11 MONITORING 4 65 Figure 4 24 TRIP COIL SUPERVISION...
Page 113: ...S12 ANALOG I O 4 SETPOINT PROGRAMMING 4 74...
Page 244: ...8 469PC PROGRAM WAVEFORM CAPTURE 8 13 Figure 8 11 WAVEFORM CAPTURE...