The diagnostic and feedback systems are responsible for monitoring and dynamically correcting parameters of the electron and photon beans in different parts of accelerators and beamlines, and are essential to ensure high stability and reliability of the synchrotron light source.

Several equipment for monitoring, diagnosis and correction of the light source parameters are part of these systems, including position monitors for the electron beam; position monitors for the photon beam; monitor of the beam current; monitors for the beam oscillation frequencies and actuators to correct deviations in orbit  and oscillation frequencies.

The reliability and the proper design of diagnostic and feedback systems are fundamental not only to the rapid commissioning of the machine, but also for the operation of the light source in safe, reliable and stable way.