General Electric (GE)  IS220UCSAH1A | Mark VI system Processor | Controller.The IS220UCSAH1A is a Processor/Controller created by General Electric for the Mark VI system.  Designed to manage gas or steam turbines, the Mark VI platform was released by GE as part of the Speedtronic line.  It features an HMI (human machine interface) with software designed for running heavy-duty turbines, such as the CIMPLICITY graphics interface.The IS220UCSAH1A is built as a single boxed component with a front faceplate to allow for connection of communications, two screw mounts on the rear edge, and grill openings on three sides to allow for air flow.  The controller is designed for base-mounting within a cabinet. Up to three components can be mounted adjacent to each other for a compact arrangement that easily serves triple redundant systems.