Batch option module

Details Batch option module Batch option module

1978-04-24

1979-11-20

Ruggiero, Joseph F.

Boots, shoes, and leggings

318610, 364105, 364500, 422110, 23230A, G06G 766, G06G 758, G05B 1136

Patent

active

041752830

ABSTRACT:
A Batch Option Module is provided for a process control instrument. Whenever the process control instrument reaches the limits of its control range, the Batch Option Module is activated to limit the output of the instrument as a function of the process variable, the setpoint, and an adjustable bias. When the output of the instrument due to normal control action no longer trys to exceed the Batch Option Module limit, the Batch Option Module is deactivated.

REFERENCES:
patent: 3377547 (1968-04-01), Ohlson
patent: 3566241 (1971-02-01), Ross
patent: 3582629 (1971-06-01), Ross
patent: 3819999 (1974-06-01), Platt
patent: 3938017 (1976-02-01), Hayes
Bulletin 1.7:011, "Anti-Reset Windup Module"--Fisher Controls Company, Marshalltown, Iowa, Feb., 1974.
Technical Information 39-202a "Model 62H High-Low Batch Switch"--Foxboro Co., Foxboro, Mass., Jul., 1967.
Bulletin 860-2 Issue 1 "ETOS Two and Three Mode Controller Reset Limiting Kit #373672-1", Honeywell, Phila., Pa.--1964.
Process Control Systems--Shinsky, McGraw-Hill Book Co., New York, N.Y., 1967, pp. 96-98.
Bulletin Type TL103 Appendix A2 "Anti-Reset Windup Module" Fisher Controls Co., Marshalltown, Iowa--Feb., 1974.

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