2025.05.03 – C – Dictionary Section


  • Cable entries: Openings or fittings in enclosures that allow secure, sealed entry of electrical cables.
  • Cables: Insulated conductors used to transmit electric power or signals.
    • External diameters: The outer measurement of a cable, important for choosing connectors or glands.
    • Type abbreviation: Standard short codes describing cable type and function.
  • Cage Clamp: A spring-based terminal technology allowing fast, tool-free wire connections with strong contact force.
  • Cam switches: Rotary switches using cams to actuate electrical contacts for control or switching purposes.
  • CAN (Controller Area Network): A communication protocol widely used in automation to connect devices and controllers.
  • Capacitive sensors: Sensors that detect objects via changes in capacitance, suitable for non-metallic materials.
  • Capacitor: A component that stores electrical energy and is used for filtering, compensation, and energy buffering.
    • General symbol: The standardized symbol for a capacitor in schematics.
    • Group compensation, use of reactors: Use of capacitor banks with inductors to correct power factor and control harmonics.
    • Single, group compensation: Methods for reactive power correction using single or multiple capacitors.
  • Cascade control: A control strategy where one controller sets the setpoint for another, used in advanced process control.
  • Certificate: Official documentation certifying conformity with standards or regulatory requirements.
  • Changeover switch: A switch that alternates a circuit between two different power sources or paths.
  • Circuit diagrams contactor relays: Schematics showing how relays and contactors are interconnected.
  • Circuit documents:
    • General: Technical documentation related to electrical circuits.
    • Wiring diagram: A visual representation of the physical connections in an electrical system.
  • Circuit examples: Sample configurations demonstrating electrical applications.
  • Circuit-breaker: A device designed to interrupt current flow in case of overload or fault.
  • Clockwise rotation field: A three-phase motor field rotating in a clockwise direction, affecting motor rotation.
  • CMD (Contactor Monitoring Device): A device that monitors the operational status of contactors.
  • Colors:
    • Of indicator lights: Standardized colors for visual signals (e.g., green = run, red = stop).
    • Of pushbuttons: Defined colors indicating function or action in a control panel.
  • Compensated motor: A motor design adjusted to improve performance or power factor.
  • Conductor: A material that allows electric current to flow, usually copper or aluminum.
    • General symbol: Symbol used to represent a conductor in diagrams.
  • Connection for overload relay 1-pole, 2-pole: Types of wiring for connecting overload protection.
  • Contact protection relay: A relay that protects contacts from damage due to high current or arcing.
  • Contact, self-monitoring: A contact with built-in diagnostics or feedback to monitor its condition.
  • Contactor for capacitor: A specially designed contactor that can handle capacitor inrush currents.
  • Contactor relays circuit diagrams: Schematics showing how relays and contactors are integrated.
  • Contactor relays reference letters: Designations used to identify relay contacts in diagrams.
  • Contactors: Electrically operated switches for controlling high-power circuits, often used in motor control.
    • DC operated: Contactors designed to operate with direct current.
    • DILM: A specific model range of Eaton modular contactors.
    • General symbol: The standardized diagram symbol representing a contactor.
    • Marking: Labeling of terminals and contact functions for clarity.
    • Overview: Summary of contactor types, specifications, and applications.
  • Control circuit devices: Components that manage control signals rather than direct power.
  • Control methods: Strategies or technologies used to operate and regulate systems.
  • Control relay: A relay used in control logic to activate or deactivate other devices.
  • Current limiter: A device that restricts maximum current flow to protect equipment.
  • Current monitoring relays: Devices that detect and respond to overcurrent or undercurrent conditions.
  • Current peaks: Short bursts of high current, often seen during motor starts.
  • Current transformer integrated: A current transformer built into other equipment for compactness.
  • Cybersecurity: Protection of industrial control systems against cyber threats and unauthorized access.

Published by Leonardo Tomás Cardillo

https://www.linkedin.com/in/leonardocardillo

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