Sensorless vector control (svc) – Rockwell Automation 284E ArmorStart with EtherNet/IP - User Manual User Manual
Page 249
Rockwell Automation Publication 280E-UM001B-EN-P - July 2012
249
Specifications for EtherNet/IP Chapter 11
Sensorless Vector Control (SVC)
Skip Frequency
✓
StepLogic Functionality
✓
Timer/Counter Functions
✓
Drive Characteristics
Sensorless Vector Control
Drive Ratings – VFD Output Current vs. Input Current
Line Voltage [V]
Frequency
[Hz]
3-Phase kW
Rating
3-Phase Hp
Rating
Output Current [A]
Input Current [A]
Sensorless Vector
Control
Sensorless Vector
Control
380
50
0.4
—
1.4
2.15
0.75
—
2.3
3.80
1.5
—
4.0
6.40
2.2
—
6.0
9.00
3.0
—
7.6
12.40
460
60
—
0.5
1.4
1.85
—
1
2.3
3.45
—
2
4.0
5.57
—
3
6.0
8.20
—
5
7.6
12.5
PowerFlex 40
Output Frequency
0…400 Hz (Programmable)
Efficiency
97.5% (Typical)
Protective Specifications – Sensorless Vector Control
Motor Protection
I
2
t overload protection – 150% for 60 seconds, 200% for 3 seconds (provides Class 10 protection)
Overcurrent
200% hardware limit, 300% instantaneous fault
Over Voltage
200…240V AC Input – Trip occurs @ 405V DC bus voltage (equivalent to 290V AC incoming line)
380…460V AC Input – Trip occurs @ 810V DC bus voltage (equivalent to 575V AC incoming line)
460…600V AC Input – Trip occurs @ 1005V DC bus voltage (equivalent to 711V AC incoming line)
Under Voltage
200…240V AC Input – Trip occurs @ 210V DC bus voltage (equivalent to 150V AC incoming line)
380…480V AC Input – Trip occurs @ 390V DC bus voltage (equivalent to 275V AC incoming line)
460…600V AC Input – If 600V rated trip occurs @ 487V DC bus voltage (344V AC incoming line);
If 480V rated trip occurs @ 390V DC bus voltage (275V AC incoming line)
Faultless Power Ride Through
100 milliseconds
Control Specifications – Sensorless Vector Control
Carrier Frequency
2…16 kHz. Drive rating based on 4 kHz.
Frequency Accuracy – Digital Input
Within ±0.05% of set output frequency.
Speed Regulation – Open Loop with Slip Compensation
±1% of base speed across a 60:1 speed range
Stop Modes
Multiple programmable stop modes including – Ramp, Coast, DC-Brake, Ramp-to-Hold and S Curve.