Signal status propagation in a distributed control system

Details Signal status propagation in a distributed control system Signal status propagation in a distributed control system

1996-09-11

1998-12-01

Hua, Ly

395822, 395843, G06F 300, G06F 1516

Patent

active

058450637

ABSTRACT:
A distributed control system wherein status is propagated through the system along with the signal with which the status is associated. The function blocks of the system include rules for propagation of the status through the system. The system may also include function blocks for testing the propagated status to determine if the same is bad and function blocks to force the propagated status to have a certain status. The rules may be customized by the user, for example, to block status propagation through a function block.

REFERENCES:
patent: 4124889 (1978-11-01), Kaufman et al.
patent: 4313160 (1982-01-01), Kaufman et al.
patent: 4542479 (1985-09-01), Kamimura et al.
patent: 4819149 (1989-04-01), Sanik et al.
InterOperable Systems Project Fieldbus Specification Function Block Application Process --Part 1 and Part 2--ISP Foundation (1993).
FOUNDATION.TM. Specification Function Block Application Process--Part 1--Fieldbus Foundation 1994-1996.

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