The Valve AOI Control Module can handle a spring return fail open, spring return fail close, or fail last valve. The valve can have one or two solenoids. It can have an open limit switch, or not. It can have a close limit switch, or not. Note: Programmed followed ISA88, ISA95, and ISA106 Standard

Reference signal generator creating output value from preset during the time period.

count the operating time of equipment in 1 cycle from ON to OFF