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====== Interfaces ======

===== Interface to Accelerator Control System =====

A dedicated FESA class [2,3,4,6] running on the Front-End Controller (FEC) acts as a server for all required properties. Any client such as a GUI may subscribe to these properties to GET and SET data. This client-server architecture requires a network middleware, here RDA (Remote Data Access).
The Profinet infrastructure requires the SILECS [10] gateway, a software interface between FESA and PLC systems.

===== White Rabbit Timing =====

Any of the SCR DAQ systems require connection to the White Rabbit timing system [7]. Depending on the chosen DAQ form factor, a suitable Fair Timing Receiver Node (FTRN [8]) has to be integrated. The cameras are triggered via the CPS8 directly from the FTRN. The FTRN settings for the trigger are handled via the SCR FESA class.

===== Beam Transmission Monitoring =====

The system will not be included into the beam transmission monitoring system. 

===== Machine Protection =====

The system will not be part of the machine protection system. 

===== Accelerator and Beam Modes =====

It is anticipated, that the system will handle the proposed Accelerator and Beam Modes. More details can be found in [9]. The implementation of these modes has to be discussed with CSCO.

===== Archiving =====

It is anticipated that the SCR system will be included into the archiving system.

===== Alarming =====

The SCR system will not be part of the alarming system.

===== Expected Data Supply from LSA =====

The system will be connected to the LSA settings management [5].

The following beam parameters are expected from the LSA before each cycle:

<color #ed1c24>
•	ion mass\\
•	ion Charge\\ 
•	expected beam intensity (number of particles or current)\\
•	gain\\
•	ion type</color>

===== Miscellaneous (Interlock etc.) =====

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