Rockwell Automation 284D ArmorStart - Safety Version - User Manual - Manual (Page 14)

1-4 Product Overview
The Bulletin 284 ArmorStart Distributed Motor Controller
incorporates, as standard, electronic motor overload protection. This
overload protection is accomplished electronically with an I
2
t
algorithm. The ArmorStart’s overload protection is programmable via
the communication network providing the user with flexibility.
Programming the Motor OL Current parameter provides class 10
overload protection for the Bulletin 284 Distributed Motor Controller.
Ambient insensitivity is inherent in the electronic design of the
overload.
Figure 1.2 Overload Trip Curves
% of P132 (Motor NP Hertz) % of P132 (Motor NP Hertz) % of P132 (Motor NP Hertz)
% of P133 (Motor OL Current) % of P133 (Motor OL Current) % of P133 (Motor OL Current)