Flexible variable pole-count relay output circuit for controlling multiple relays

Abstract

A controller for controlling equipment in response to control signals received by the controller. The controller includes control line inputs, a switching arrangement, control outputs and binary switching devices. The switching arrangement is configured to selectively couple each control line input to either zero, one or more than one control output. The binary switching devices may be configured as relays to control the application of an electrical signal, such as a power line input, to electrical devices. A single control signal may control the application of multiple phases of power to one electrical device or control the application of power to several electrical devices. The binary switching devices may also be configured as solenoids coupled to mechanical devices such as valves.

Dependencies are inferred from the claim text.