Control system and method

Details Control system and method Control system and method

1974-04-22

1976-03-30

Botz, Eugene G.

Registers

Transfer mechanism

Traveling pawl

340147R, 340324A, G06F 304, G06F 1546

Patent

active

039476650

ABSTRACT:
A console with a keyboard and visual display means is employed for setting or adjusting various controller circuit parameters such as control mode adjustments of the gain, integral and derivative times, set point, dead zone, high and low limit control and alarms, and the like, depending upon which such circuits are included in the controller. The parameters so set may be displayed by use of the display means under control of the keyboard. In addition, other circuit operating conditions such as the values of the process signal, error or deviation signal, manipulated variable or output signal, and the like, may be displayed by the display means under keyboard control. Furthermore manual controller operation under keyboard control also is provided.

REFERENCES:
patent: 3387282 (1968-06-01), Jacques
patent: 3474438 (1969-10-01), Lauher
patent: 3582621 (1971-06-01), Lawler
patent: 3613419 (1971-10-01), Silva
patent: 3622992 (1971-11-01), Schoenwitz
patent: 3701945 (1972-10-01), Gallant et al.
patent: 3750134 (1973-07-01), Weisend

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