Combination control system with intermediate module

Details Combination control system with intermediate module Combination control system with intermediate module

2005-09-30

2008-09-02

Sherry, Michael J (Department: 2836)

Electrical transmission or interconnection systems

Personnel safety or limit control features

Reexamination Certificate

active

07420297

ABSTRACT:
The present invention relates to combination control systems employing at least one intermediate module between different control modules and, in one embodiment, relates to a system for isolating a load from multiple power sources. The system includes a first power isolation system capable of receiving a first power from a first input port and determining whether the first power is communicated to a first output port, and a second power isolation system capable of receiving a second power from a second input port and determining whether the second power is communicated to a second output port. The system further includes an intermediate module connected with the first and second power isolation systems, where the intermediate module allows for at least one intermediate control signal to be provided to both of the power isolation systems.

REFERENCES:
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Product literature concerning: ElectroGuard TM Safety Isolation System; printed Jun. 17, 2005; www.ab.com/safety/electroguard/2030—operation.html; 2003 Rockwell International Corporation.

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