SERCOS is an acronym for which phrase?

• A. Serial Real-time Communication System
• B. Serial Electrical Control System
• C. Secure Real-time Control System
• D. Sequential Real-time Circuitry System

Answer: (A)

SERCOS stands for Serial Real-time Communication System, which captures its purpose as a serial data link designed for real-time, deterministic exchange of control information in motion control. This makes it ideal for coordinating servo drives and controllers so multiple axes can move in sync, with precise timing. The emphasis on serial communication and real-time data exchange is why this interpretation fits best, rather than options that imply electrical control, security, or sequential circuitry.