Electricity: motive power systems – Positional servo systems – Multiple mode systems
Patent
1974-11-20
1976-10-19
Shaw, Gareth D.
Electricity: motive power systems
Positional servo systems
Multiple mode systems
2351511, 3401725, G05B 900, G06F 1546
Patent
active
039873510
ABSTRACT:
A system for arrangement of operations and connections between a computer or the like involved with a process and a control station needed by the process operator for communication with the computer and for control of the process in case of failure in the computer operation, and for arrangement of the communication between these devices and the process, wherein there are parallel measurement signal channels leading from the process to the computer and the control station and, similarly, parallel control signal channels leading from said devices to the process, respectively, and wherein, additionally, the control station is provided with separate push buttons or the like for at least each measurement of interest, with which push buttons the display of the measurement signal as well as the corresponding control signal may be switched on to the control station, and with which a message concerning the selected measurement may be delivered to the computer.
REFERENCES:
patent: 3252149 (1966-05-01), Weida
patent: 3377623 (1968-04-01), Reut
patent: 3581289 (1971-05-01), Wilhelm
patent: 3636331 (1972-01-01), Amrehn
patent: 3741246 (1973-06-01), Braytenbah
patent: 3896871 (1975-07-01), Pecoraro
Appelberg Veikko Vilhelm Harald
Heikkila Veijo Sakari
Outokumpu Oy
Shaw Gareth D.
Thomas James D.
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