1-2 Product Overview
Operation The ArmorStart Distributed Motor Controllers can operate three-
phase squirrel-cage induction motors as follows:
Bulletin 280/281: 0.5…16 A; up to 10 Hp (7.5 kW) @ 480V AC;
50/60 Hz.
Bulletin 284: up to 5 Hp (3.0 kW) @ 480V AC; 50/60 Hz.
Mode of Operation Bulletin 280/281 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 280 offers full-voltage starting and the Bulletin
281 offers full-voltage starting for reversing applications.
Bulletin 284 Sensorless Vector Control
• Sensorless Vector Control provides exceptional speed regulation
and very high levels of torque across the entire speed range of the
drive
• The Autotune feature allows the Bulletin 284 ArmorStart
Distributed Motor Controller to adapt to individual motor
characteristics.
• To select this method of operation, select V for the Mode of
Operation listed in the catalog structure. See the Industrial
Controls catalog
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