Asco, L.p.

Gregory A Wells, Sr

Enrico De Carolis

John F Eskew

Mitch Frazier

A field bus solenoid valve assembly has a sensor for detecting the commencement of an actuation cycle for moving a piston in a cylinder and piston assembly. A position sensor detects an end position of a piston in a cylinder and piston assembly at the end of the actuation cycle. A timer times the elapsed time between the initiation of the actuation cycle of the piston and when the position sensor for detecting an end position detects the piston in its end position at the end of the actuation cycle. A comparator operably connected to a storage device and the sensors for comparing elapsed time from the sensors to a normalized time or profile and a predetermined tolerance boundary in the storage device. An alarm device is actuated if the elapsed time is outside of the set tolerance boundary.

Device and method for monitoring response time in a valve manifold assembly

A control system has an I/O bank with a communication module controlling a plurality of Input/Output modules operably connected to its communication backplane and a valve manifold having a communication module serially connected to the backplane of the I/O bank. The I/O bank with a plurality of Input/Output modules is constructed to be connected to a plurality of field sensors or loads. The valve manifold with a plurality of solenoid valves is constructed to be pneumatically connected to a plurality of field devices.

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Glendale, AZ, United States of America

Gregory A Wells, Sr