Download the Distributed Control Systems (DCS) - Maintenance Considerations 52-slide PPT PowerPoint presentation (PPT). The full course on Distributed Control Systems (DCS) consists of 19 training modules. This document refers to the 17th training module only, Maintenance Considerations. Specific topics covered include: * Mean Time between Failures * Spare Parts * Types of Failures * Types of Faults * Diagnostics Upon the successful completion of the.