Definition(s)
Control Module
Assembly of subsea control equipment for piloted or sequential hydraulic or electrohydraulic operations from surface. NOTE Can be configured as a riser control module used for operation of landing strings in tubing hanger mode or as a workover control module in tree mode for operation of the lower workover package.
Source: API RP 17G, Recommended Practice for Completion/Workover Risers, Second Edition, July 2006 (Reaffirmed April 2011). Global Standards