Process device with loop override

Communications: electrical – Condition responsive indicating system – Specific condition

Reexamination Certificate

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Details

C340S508000, C340S664000, C340S003440

Reexamination Certificate

active

07098798

ABSTRACT:
A process device for use in a process control system includes output circuitry configured to couple to a process control loop. The output circuitry controls electrical current through the loop. Loop override circuitry is configured to override operation of the output circuitry and set the electrical current in the loop to a desired level.

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