Electricity: electrical systems and devices – Control circuits for electromagnetic devices – For relays or solenoids
Patent
1996-03-28
1998-02-10
Trammell, James P.
Electricity: electrical systems and devices
Control circuits for electromagnetic devices
For relays or solenoids
364140, 364147, 364190, 364DIG1, 364DIG2, G06F 945, G05B 1101
Patent
active
057175888
ABSTRACT:
A sequence program formed by a plurality of contacts or windings each given an actual address representing a name of a mechanism such as a truck, a lifter, a slide or the like which forms a system to be controlled and the action of which is to be controlled to control the system, a name of an action of the mechanism and a name of a controlled device such as a switch, a solenoid valve, a motor and the like which is directly controlled to control the action of the mechanism is prepared. A first transitional sequence program in which each contact or winding is given a variable label is created by designating or selecting standardized control circuits corresponding to the desired actions of the mechanisms forming the system to be controlled, and a second transitional sequence program in which each contact or winding is given a fixed label is created by designating the names of the mechanisms and the actions thereof, and a sequence program in which each contact or winding is given an actual address is created on the basis of a table representing correspondence between the fixed labels and the actual addresses.
REFERENCES:
patent: 4519026 (1985-05-01), Nozawa et al.
patent: 5295059 (1994-03-01), Brooks et al.
patent: 5349518 (1994-09-01), Zifferer et al.
patent: 5463544 (1995-10-01), Ohta
patent: 5485366 (1996-01-01), Iwata
patent: 5623401 (1997-04-01), Baxter
Hamano Hirotsugu
Matsuura Ayumi
Nagaoka Hiroyasu
Yamane Nobuo
Ferguson Jr. Gerald J.
Kamini Shah
Mazda Motor Corporation
Studebaker Donald R.
Trammell James P.
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