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The Paul Scherrer Institut has developed a compact 500 MHz - 65 kW solid state RF power amplifier intended for applications in booster and storage rings of modern synchrotron light sources. The solid state power amplifier is presently under evaluation in the booster ring of the Swiss Light Source (SLS). In order to achieve this high RF output power levels using the present state of the art solid state technology, a large number of power amplifier modules, each one including its own power amplifier module and a local monitoring and control, are combined, configuring a complete distributed system. In order to monitor and control this large distributed system, we developed a specific data acquisition, monitoring and control system, called SOSDAQ. This system offers flexibility for efficiency optimization, easy addition and replacement of components, easy configuration for different types of power and efficiency requirements, among other features. We will discuss about the control system architecture, the software and the hardware implementation, and the results obtained.
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