beautypg.com

Sensorless vector control (svc) – Rockwell Automation 284E ArmorStart with EtherNet/IP - User Manual User Manual

Page 249

background image

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.