Electricity: motive power systems – Braking – Dynamic braking
Reexamination Certificate
2007-08-28
2007-08-28
Ro, Bentsu (Department: 2837)
Electricity: motive power systems
Braking
Dynamic braking
C318S471000
Reexamination Certificate
active
10935012
ABSTRACT:
A braking module includes a braking load, an input terminal, an output terminal, and control logic. The input terminal is adapted to receive a motor drive signal. The control logic is adapted to receive a motor enable signal, couple the output terminal to the input terminal responsive to the motor enable signal being asserted, couple the output terminal to the braking load responsive to the motor enable signal being deasserted, and prevent the coupling of the output terminal to the input terminal responsive to a temperature of the braking module exceeding a predetermined disable set point. A method for controlling a motor includes coupling a drive lead carrying a motor drive signal to a motor lead of the motor responsive to a motor enable signal being asserted. The motor lead is coupled to a braking load responsive to the motor enable signal being deasserted. The coupling of the drive lead to the motor lead is prevented responsive to a temperature of the braking load exceeding a predetermined disable set point.
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Bonitron, Model M3500DB, Dynamic Braking Modules for Allen-Bradley 1394(Series C) Digital Motion Control System, User's Manual and Product Specifications, no date.
Arguello, Jr. Edward Joseph
Herman Nathaniel D.
Nelson Michael John
Kuszewski Alexander R.
Quarles & Brady LLP
Ro Bentsu
Rockwell Automation Technologies Inc.
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