Control System SIBAS 32 Overview
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Questions and Answers

What is the role of the CCU in the brake control system?

  • Calculates brake forces and transmits values to BCUs and TCUs (correct)
  • Converts electrical signals into mechanical action
  • Initiates emergency brake applications
  • Sends brake commands directly to the driver

    • What must the driver do on slippery rails to avoid wheel flats?

  • Increase braking force
  • Brake earlier than usual (correct)
  • Engage the automatic vigilance device
  • Apply brakes later than usual

    • What happens if the driver releases the vigilance monitoring button while driving?

  • An alarm is triggered for the driver
  • Nothing, the system remains active
  • The train continues at the same speed
  • Brakes are applied automatically and power is switched off (correct)

    • In which situation is the automatic application of brakes immediately initiated?

    <p>In rescue drive mode regardless of speed</p> Signup and view all the answers

    What is NOT available in the vehicle regarding brake control?

    <p>Pneumatic WSP for all wheels</p> Signup and view all the answers

    Which system takes over all functions in case of BCU failure?

    <p>TCU</p> Signup and view all the answers

    How does the MMI support the train driver?

    <p>By informing of the current state of all important functions</p> Signup and view all the answers

    What is indicated to the driver by the MMI?

    <p>The state of all important functions using icons</p> Signup and view all the answers

    At what speed does the automatic vigilance function get disabled?

    <p>Below 5 km/h</p> Signup and view all the answers

    What is the primary function of the Central Processing Unit (CPU) in the TCU SIBAS 32 S vehicle?

    <p>To perform the higher-level traction functions.</p> Signup and view all the answers

    How many signal processors are utilized in the TCU SIBAS 32 S vehicle?

    <p>Two signal processors for the PWMI and one for 4QC.</p> Signup and view all the answers

    What role does the MVB-Communication Module play in the TCU SIBAS 32 S vehicle's CPU?

    <p>It facilitates signal exchange with other MVB stations.</p> Signup and view all the answers

    What is a key function of the signal processors within the TCU SIBAS 32 S vehicle?

    <p>They generate power semiconductor firing pulses.</p> Signup and view all the answers

    Which of the following is NOT a function performed by the Central Processing Unit (CPU)?

    <p>Performing real-time traction control operations.</p> Signup and view all the answers

    What is one of the main purposes of the Central Control Unit (CCU)?

    <p>To display information to the driver</p> Signup and view all the answers

    What happens if the Multi Vehicle Bus (MVB) experiences failure?

    <p>The vehicle can still be operated in degraded operation mode</p> Signup and view all the answers

    How many Central Control Units (CCUs) are designed for each train?

    <p>Two CCUs located in the driver's cab</p> Signup and view all the answers

    What function do KLIP stations serve in the control system?

    <p>To reduce the length of control lines to the CCU</p> Signup and view all the answers

    What is the role of the Traction Control Unit (TCU) in this control system?

    <p>To handle the propulsion and braking commands</p> Signup and view all the answers

    What is indicated when the vehicle is in rescue drive mode (RDM)?

    <p>Auxiliary tell-tale lamps are activated</p> Signup and view all the answers

    What is a consequence of TCU failure while part of a train?

    <p>The remaining units can allow continued operation</p> Signup and view all the answers

    What role does the display play in the detection of errors?

    <p>It provides assistance during error detection.</p> Signup and view all the answers

    What information can the driver access through the error message?

    <p>Further actions to remedy the error.</p> Signup and view all the answers

    In the Man-Machine Interface, what does soft key 0 to 9 refer to?

    <p>Command inputs for various functions.</p> Signup and view all the answers

    Which function is NOT represented on the display?

    <p>Engine temperature readings.</p> Signup and view all the answers

    What is the purpose of the Trouble Shooting Guidelines for Motorman displayed on the MMI?

    <p>To assist the driver in resolving errors.</p> Signup and view all the answers

    What does the 'Message text' section display on the top level screen?

    <p>Detailed error messages.</p> Signup and view all the answers

    What feature allows the driver to adjust the visibility of the display?

    <p>Brightness control dialog.</p> Signup and view all the answers

    How does the Unit Screen differ from the Top Level Screen?

    <p>It has a different layout and data focus.</p> Signup and view all the answers

    Which of the following is NOT a part of the driver/brake screen?

    <p>Train operational commands.</p> Signup and view all the answers

    What does 'Clear' function do on the MMI?

    <p>Removes the displayed errors/messages.</p> Signup and view all the answers

    What is the primary function of the Train Control Unit (TCU) in electric rail vehicles?

    <p>Processing and transferring data and signals</p> Signup and view all the answers

    Which communication module does the TCU use for data exchange with other train units?

    <p>MVB-Communication Module</p> Signup and view all the answers

    Which task is NOT performed by the Train Control Unit?

    <p>Fuel consumption management</p> Signup and view all the answers

    What type of cooling does the TCU utilize?

    <p>Forced-air cooling</p> Signup and view all the answers

    How does the TCU connect to the vehicle environment?

    <p>Front plugs</p> Signup and view all the answers

    Which of the following is a component of the TCU's internal structure?

    <p>Electronic devices</p> Signup and view all the answers

    What is one of the control responsibilities of the TCU?

    <p>Controlling tractive and regenerative braking effort</p> Signup and view all the answers

    What kind of maintenance information can be derived from TCU diagnostics?

    <p>Electrical current and voltage levels</p> Signup and view all the answers

    The tasks of the TCU include data exchange with which components?

    <p>Various units including ACU, BCU, and KLIP</p> Signup and view all the answers

    Which of the following best describes the TCU's diagnostic function?

    <p>It continuously monitors and informs about operational parameters.</p> Signup and view all the answers

    Study Notes

    Control System (SIBAS 32)

    • The main components of SIBAS 32 are: Central Control Unit (CCU), Traction Control Unit (TCU), Brake Control Unit (BCU), Man-Machine Interface (MMI), Multi-Vehicle Bus (MVB), and SIBAS Klip Station (SKS).
    • The control technology is designed redundantly, with two CCUs per train located in the driver's cab.
    • CCUs control the entire train and its display.
    • Units and vehicles are connected via a redundant MVB (Multi-Vehicle Bus) with lines A and B.
    • If the MVB fails, a degraded mode (RDM) allows operation, but the display is off, and auxiliary lamps are on.
    • All controlled switches, buttons, and consumers connect to KLIP stations.
    • KLIP stations are distributed input/output stations for CCU, reducing control line lengths.

    Traction Controls

    • The vehicle is a three-phase vehicle controlled via a TCU.
    • The TCU processes propulsion and braking commands (electronic brake) and sends this information to the current converter.
    • TCU failure prevents autonomous operation, but this is not a critical issue if the unit is part of a train.

    Brake Control

    • All brake-related components, except the driver's automatic brake valve, are connected to the MVB bus.
    • The CCU calculates brake forces for the EP and ED brakes.
    • An EP unit converts brake value to compressed air.
    • Wheel slip protection (sliding/skidding protection) is available only for driven axles, meaning driver needs to brake earlier on slippery rails.
    • If a brake malfunctions, the driver can use the emergency brake or automatic brake valve.
    • In case of a BCU failure, the TCU takes over its functions.

    Automatic Vigilance Device

    • An Automatic Vigilance Device is implemented via a master controller.
    • If a driver disengages vigilance monitoring, brakes are automatically applied and power is cut off during operation.
    • This function is disabled below 5 km/h speed.
    • In rescue mode, brakes are applied immediately, regardless of the monitoring switch, if speed is below 5 km/h.

    Display Support

    • The Man-Machine Interface (MMI) is located in the driver's cab and displays important function statuses using colored icons.
    • The display helps the driver detect faults and provides the corresponding remedial actions for error messages.

    Different MMI screens

    • The MMI shows various relevant information, including but not limited to: train number, date, time, main screen, massage text, short message, and soft keys. It provides a visual overview of critical aspects of operation and status.
    • The system includes different MMI screens to display essential information in a clear and concise manner.

    Main Tasks of the TCU

    • The TCU is used for processing, evaluating, storing and transferring data and signals.
    • Its main tasks include: data exchange with other basic units (e.g., using the MVB), controlling power switches, regulating traction and regeneration braking, monitoring various parameters (power switches, current, voltage, temperature), and diagnostics.

    SIBAS 32 System

    • The SIBAS 32 system uses 32-bit microprocessors and is employed for modulating and logic control in mass transit systems, such as light rail vehicles, subways, and high-speed trains.
    • The system controls, monitors, and protects the vehicle's drive and performs information processing for the entire vehicle.
    • SIBAS-KLIP handles local recording and control of digital and analog signals.
    • The peripheral signals from the vehicle are connected to the I/O module of a SIBAS-KLIP substation (SKS).

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    Description

    This quiz covers the essential components and functionalities of the SIBAS 32 control system. Explore the roles of the Central Control Unit, Traction Control Unit, and other critical modules in maintaining train operations. Understand the redundancy and communication protocols involved in this advanced control technology.

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