New slow control emulator for the CMS phase-2 upgrade RPC link system

Document Type

Article

Publication Date

7-2023

Abstract

The CERN Compact Muon Solenoid (CMS) RPC system phase-2 upgrade project is in good progress. It covers the replacement of the off-detector electronics for the present Resistive Plate Chambers (RPC), known as “link system”, and includes the renovation of the legacy slow controller with brand new electronics, called RPC backend electronics. The scope of the new backend is to handle all requirements of the new RPC link system such as assigning a dedicated link to every control board (CB) that carries out the slow control and fast trigger commands and Large Hadron Collider (LHC) clock. In this work, we will review the architecture of the new Slow controller, its firmware, and the commands supported by this system.

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