Electricity: electrical systems and devices – Control circuits for electromagnetic devices – For relays or solenoids
Patent
1995-11-14
1997-12-16
Fleming, Fritz
Electricity: electrical systems and devices
Control circuits for electromagnetic devices
For relays or solenoids
307134, H01H 4722
Patent
active
056992220
ABSTRACT:
An electrical switching device such as a motor starter includes separable contacts; a coil for operating the separable contacts; two light emitting diode indicators having a plurality of states; a pushbutton switch; and a control circuit responsive to the pushbutton switch employing a plurality of parameters for controlling operation of the coil and the indicators, with the control circuit having a setup mode and including a microcomputer for detecting actuation of the pushbutton switch to enter the setup mode, indicating a first one of the states on the indicators corresponding to a first one of the parameters, and detecting de-actuation of the pushbutton switch to indicate a value of the first parameter on the indicators.
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Installation/Configuration Instructions for 42GNP-9000 Diffuse Photoelectric Sensor for DeviceNet.TM., Publication PA-9412(A), Allen-Bradley, Jul. 1994, 2 pp.
Eaton Corporation
Fleming Fritz
Vandezande Larry G.
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