CONTROL SYSTEM INCLUDING SINGLE LINE SWITCHES AND METHOD

摘要

A control system and method of controlling a control system includes a set of pressure-controlled devices having at least a first device and a second device movable between at least first and second positions, and a set of single line switches including at least a first switch and a second switch, each switch configured to move the pressure-controlled devices, respectively, between the first and second positions. The first device alternates between the first position and the second position with every position changing pressure pulse to the first switch, and the second device alternates between the first position and the second position with every two position changing pressure pulses to the first switch.

主权项

1. A control system comprising
a set of pressure-controlled devices including at least a first device and a second device, each device movable between at least first and second positions; and, a set of single line switches including at least a first switch and a second switch, each switch configured to move the pressure-controlled devices, respectively, between the first and second positions; wherein the first device alternates between the first position and the second position with every position changing pressure pulse to the first switch, and the second device only alternates between the first position and the second position with every two position changing pressure pulses to the first switch.