Patent ID: 6722383
Filing Date: 2004-04-20
Classification: G05B,Y10T

Abstract:
A variable function voting solenoid-operated valve apparatus useful for testing and controlling industrial process systems, the apparatus comprising:a first solenoid-operated valve and a second solenoid-operated valve; a bypass valve; a plurality of pressure sensors, including a first pressure sensor in fluid communication with said first solenoid-operated valve, a second pressure sensor in fluid communication with said second solenoid-operated valve, and a third pressure sensor in fluid communication with said bypass valve; and a logic control system, wherein said logic control system selectively enables an operator of said variable function voting solenoid-operated valve apparatus to select one of at least two discrete operational modes, wherein said at least two discrete operational modes includes a 1-out-of-1 with hot stand-by mode and a 2-out-of-2 with high diagnostics mode.