Associating and evaluating status information for a primary...

Details Associating and evaluating status information for a primary... Associating and evaluating status information for a primary...

2007-07-13

2010-11-16

Patel, Niketa I (Department: 2181)

Electrical computers and digital data processing systems: input/

Input/output data processing

Peripheral monitoring

C710S008000

Reexamination Certificate

active

07836217

ABSTRACT:
A method and system are disclosed for managing Profibus device information in a distributed control system. After receiving input parameter data originating from a Profibus device message, the I/O module assembly performs steps for processing, maintaining and providing the input parameter data to a requesting control processor. The processing step includes extracting input parameter values from a received Profibus device message. The extracted input parameters are then deposited in a repository on the I/O module assembly, such that for a primary input parameter, the I/O module assembly stores at least: (1) a measured value, and (2) a status value. Furthermore, the I/O module assembly maintains a reference linking the first status parameter to the first input parameter. The I/O module assembly provides a data status value with the measured value for the first input parameter in accordance with an I/O read operation. The data status value is based on the status value for the first status parameter.

REFERENCES:
patent: 6285966 (2001-09-01), Brown et al.
patent: 6449715 (2002-09-01), Krivoshein
patent: 7099451 (2006-08-01), Jordan et al.
patent: 2007/0013701 (2007-01-01), Segawa et al.

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