Rockwell-automation 284E ArmorStart with EtherNet/IP - User Manual Manuale Utente Pagina 19

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Rockwell Automation Publication 280E-UM001B-EN-P - July 2012 19
Product Overview Chapter 1
Mode of Operation
Bulletin 280E/281E
Full-Voltage Start
This method is used in applications requiring across-the-line starting, in which
full inrush current and locked-rotor torque are realized. The ArmorStart Bulletin
280E offers full-voltage starting and the Bulletin 281E offers full-voltage starting
for reversing applications.
Figure 3 - Full-Voltage Start
Bulletin 284E
Sensorless Vector Control
Sensorless vector control provides exceptional speed regulation and very high
levels of torque across the entire speed range of the drive. Features include:
Autotune feature allows the Motor Controller to adapt to individual
motor characteristics.
Able to develop high torque over a wide speed range and adapts to
individual motor characteristics.
Embedded Variable Frequency Drive (VFD) control includes the Timer,
Counter, Basic Logic and StepLogic® functions which can reduce hardware
design costs and simplify control schemes.
Integral PID (proportional, integral, differential) functionality enhances
application flexibility.
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