Control System SIBAS 32 Overview
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Questions and Answers

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

  • Providing diagnostics to maintenance personnel
  • Performing higher-level traction functions (correct)
  • Controlling the traction converters directly
  • Implementing the software control algorithms

How many signal processors are involved in controlling the traction converters in the TCU SIBAS 32 S?

  • Two for Pulse Width Modulated Inverters and one for Four Quadrant Choppers (correct)
  • Three for all types of converters
  • Only one signal processor is needed
  • One for each converter

What function does the MVB-Communication Module serve in the TCU SIBAS 32 S system?

  • Exchanges signals with other MVB stations (correct)
  • Controls the main circuit breakers
  • Generates set points for the traction system
  • Processes diagnostic information from the CPU

What occurs when a fault is detected in the TCU SIBAS 32 S system?

<p>Appropriate action is taken to ensure safety (C)</p> Signup and view all the answers

What is a benefit of having signal processors in the TCU SIBAS 32 S?

<p>They reduce the number of required CPU tasks (A)</p> Signup and view all the answers

Which component is responsible for connecting the vehicles of one unit to each other?

<p>MVB (B)</p> Signup and view all the answers

What is the primary role of the Central Control Unit (CCU)?

<p>Control the entire train and its display (B)</p> Signup and view all the answers

What happens to the display when the vehicle operates in degraded mode?

<p>The display is switched off (C)</p> Signup and view all the answers

Which unit processes propulsion and braking commands in the vehicle?

<p>TCU (B)</p> Signup and view all the answers

What is used for significantly reducing the length of control lines to the CCU?

<p>KLIP station (B)</p> Signup and view all the answers

What occurs if there is a TCU failure?

<p>The unit can no longer operate autonomously (B)</p> Signup and view all the answers

What redundancy feature does the MVB possess?

<p>Redundant line A and line B (A)</p> Signup and view all the answers

What action can the driver take for error messages displayed?

<p>Call up corresponding remedies (C)</p> Signup and view all the answers

Which option is NOT available on the Man-Machine Interface (MMI)?

<p>Error Code History (D)</p> Signup and view all the answers

What information is displayed on the top level screen?

<p>Train number and screen designation (D)</p> Signup and view all the answers

What function does the 'Enter' button serve in the MMI?

<p>Confirm selections (B)</p> Signup and view all the answers

Which of the following is included in the Driver / Brake Screen?

<p>Percentage of traction/braking (B)</p> Signup and view all the answers

Which soft key designation corresponds to accessing troubleshooting guidelines?

<p>Soft key 5 (C)</p> Signup and view all the answers

Which component is used to control the screen brightness in the MMI?

<p>Brightness Control Dialog (A)</p> Signup and view all the answers

What does the 'Clear' button do in the MMI?

<p>Clear error messages (D)</p> Signup and view all the answers

What information can a driver find under 'Massage text' on the top level screen?

<p>General train operational details (B)</p> Signup and view all the answers

What is represented by the cursor navigation keys in the MMI?

<p>Navigating through options (A)</p> Signup and view all the answers

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

<p>To calculate the brake forces for the EP and ED brake (A)</p> Signup and view all the answers

What happens when the driver's vigilance monitoring button is released during a journey?

<p>The brakes are applied automatically and power is switched off (D)</p> Signup and view all the answers

In the situation of a brake malfunction, what action can the driver take?

<p>Use the joystick/brake lever for emergency braking (C)</p> Signup and view all the answers

What is one of the main tasks of the Train Control Unit (TCU) in electric rail vehicles?

<p>Generation of control signals for traction converters (A)</p> Signup and view all the answers

What feature is not available in this vehicle concerning wheel protection?

<p>Pneumatic WSP for all axles (B)</p> Signup and view all the answers

Which module does the TCU use for data exchange within the train set?

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

What happens if the train's speed is below 5 km/h in terms of the automatic vigilance device?

<p>The automatic application of the brakes is disabled (B)</p> Signup and view all the answers

What method does the TCU primarily use to maintain its internal structure's operation?

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

What is the primary function of the MMI in the driver's cab?

<p>To inform the driver of the state of all important functions (A)</p> Signup and view all the answers

What occurs in rescue drive mode regarding the automatic vigilance device?

<p>Brakes are automatically applied regardless of the vigilance button status (A)</p> Signup and view all the answers

Which of the following is NOT a task performed by the TCU?

<p>Route scheduling for trains (D)</p> Signup and view all the answers

What does the ED brake primarily rely on to operate?

<p>Compressed air generated by the EP unit (D)</p> Signup and view all the answers

What type of environment does the TCU connect to through front plugs?

<p>Vehicle environment (A)</p> Signup and view all the answers

When is the driver allowed to use the automatic brake valve as a fallback?

<p>At any time in case of BCU failure or defect (A)</p> Signup and view all the answers

What kind of braking efforts does the TCU control?

<p>Defined tractive and regenerative braking efforts (D)</p> Signup and view all the answers

Which components fulfill the tasks of the TCU?

<p>Combination of hardware and software components (D)</p> Signup and view all the answers

During what operation is the TCU primarily engaged?

<p>Data and signal processing (C)</p> Signup and view all the answers

How is the TCU's internal structure primarily designed?

<p>Combination of electronic devices (A)</p> Signup and view all the answers

What does the TCU monitor in electric rail vehicles?

<p>Power switches, current, voltage, temperatures (B)</p> Signup and view all the answers

What primary function does the Central Processing Unit (CPU) not perform in the TCU SIBAS 32 S system?

<p>Execution of real-time firing pulse signals (A)</p> Signup and view all the answers

Which statement accurately describes the role of the signal processors within the TCU SIBAS 32 S?

<p>They execute time-critical functions for traction control. (B)</p> Signup and view all the answers

What is a key responsibility of the MVB-Communication Module within the TCU SIBAS 32 S system?

<p>To exchange relevant signals with other MVB stations. (D)</p> Signup and view all the answers

In the context of the TCU SIBAS 32 S, what function is NOT fulfilled by the input/output capabilities of the CPU?

<p>Directly handling binary signals for traction control. (D)</p> Signup and view all the answers

Which aspect of the TCU SIBAS 32 S system operates independently from the CPU, focusing primarily on control algorithms?

<p>The Four Quadrant Chopper signal processor (A)</p> Signup and view all the answers

Which task is NOT performed by the Train Control Unit (TCU)?

<p>Directly controlling train speed (D)</p> Signup and view all the answers

What is a key feature of the MVB-Communication Module within the TCU system?

<p>It facilitates data exchange between basic units. (B)</p> Signup and view all the answers

Which component inside the TCU is responsible for diagnostics?

<p>The software components (A)</p> Signup and view all the answers

What type of cooling method is employed by the TCU's internal structure?

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

What is the main purpose of the electronic devices within the TCU?

<p>To process and evaluate data and signals (B)</p> Signup and view all the answers

Which of the following best describes the TCU's function regarding braking efforts?

<p>It controls both tractive and regenerative braking efforts. (C)</p> Signup and view all the answers

In the context of the TCU, what does 'MVB' stand for?

<p>Multifunctional Vehicle Bus (D)</p> Signup and view all the answers

What role do front plugs play in the TCU's operation?

<p>They facilitate connection to the vehicle environment. (B)</p> Signup and view all the answers

Which of the following is an output function of the TCU in electric rail vehicles?

<p>Generation of control signals for traction converters (A)</p> Signup and view all the answers

Which aspect of the TCU's operation primarily involves the generation of control signals?

<p>Control of defined braking efforts (C)</p> Signup and view all the answers

What is the purpose of the Multi Vehicle Bus (MVB) in the SIBAS 32 control system?

<p>To connect the vehicles of a train unit for communication. (A)</p> Signup and view all the answers

Which key feature is utilized to reduce control line length in the SIBAS 32 system?

<p>The design of the KLIP stations (C)</p> Signup and view all the answers

In case of TCU failure during autonomous operation, what is the primary risk for the unit?

<p>The unit cannot operate alone, but risks are mitigated when in a train. (B)</p> Signup and view all the answers

What occurs to the auxiliary tell-tale lamps during rescue drive mode (RDM)?

<p>They are activated to indicate operational status. (C)</p> Signup and view all the answers

Which failing condition allows a SIBAS 32 vehicle to operate in rescue mode?

<p>Loss of the Multi Vehicle Bus (MVB). (D)</p> Signup and view all the answers

What function does the Central Control Unit (CCU) provide in the SIBAS 32 system?

<p>Controls the display and coordinates overall operations. (C)</p> Signup and view all the answers

What feature differentiates the SIBAS 32 MVB from traditional systems?

<p>Designed with redundancy via separate lines A and B. (B)</p> Signup and view all the answers

Which button would a driver press to adjust the display brightness on the MMI?

<p>Brightness Control Dialog (D)</p> Signup and view all the answers

What does the 'Cursor Down' button typically do on the MMI?

<p>Scroll through messages (D)</p> Signup and view all the answers

Which of the following screens provides guidelines for troubleshooting by the motorman?

<p>Trouble Shooting Guidelines (A)</p> Signup and view all the answers

What information is NOT typically displayed in the 'Massage text' on the top level screen?

<p>Driver's name (C)</p> Signup and view all the answers

What can the driver use soft keys for in the MMI?

<p>Accessing various functions (B)</p> Signup and view all the answers

Which feature is characterized by presenting both a percentage for traction and braking?

<p>Driver / Brake Screen (A)</p> Signup and view all the answers

What element of the MMI allows the driver to view operational errors?

<p>Event Overview (B)</p> Signup and view all the answers

Under which circumstance would a driver likely need to refer to the Trouble Shooting Guidelines?

<p>When a system fault is detected (D)</p> Signup and view all the answers

What is typically displayed as part of the Main screen on the MMI?

<p>Date and time (B)</p> Signup and view all the answers

What purpose does the 'Enter' key serve within the MMI?

<p>To activate data input (B)</p> Signup and view all the answers

What happens when there is a failure in the Brake Control Unit (BCU)?

<p>The Train Control Unit (TCU) takes over the functions. (B)</p> Signup and view all the answers

Which condition disables the automatic application of brakes in the automatic vigilance device?

<p>When the speed is below 5 km/h. (B)</p> Signup and view all the answers

What must a driver do when the rails are slippery to prevent wheel flats?

<p>Brake earlier than usual. (C)</p> Signup and view all the answers

What does the EP unit convert to generate brake force?

<p>Current into compressed air. (C)</p> Signup and view all the answers

Which function is not supported in the braking system of this vehicle?

<p>Pneumatic Wheel Slip Protection (WSP). (D)</p> Signup and view all the answers

Which aspect of the MMI enhances the driver's ability to detect faults?

<p>Displaying current states with colored icons. (D)</p> Signup and view all the answers

Under which situation does the automatic braking occur even if the vigilance monitoring switch is not actuated?

<p>In rescue drive mode. (C)</p> Signup and view all the answers

What action can the driver take in the event of a brake malfunction?

<p>Shift the joystick/brake lever to the emergency position. (B)</p> Signup and view all the answers

Flashcards

What does the CCU do?

The central control unit (CCU) acts as the brain of the train, responsible for coordinating all train functions, including controlling the train's movement, managing displays, and communicating with other train systems.

What is the MVB?

The Multi Vehicle Bus (MVB) is a communication network that connects different train units. This allows the CCU to share information and control train functions, such as braking and acceleration, across multiple vehicles.

What does the TCU do?

The traction control unit (TCU) manages the train's propulsion and braking systems, converting electrical energy for the motors and controlling the braking force.

What does the BCU do?

The Brake Control Unit (BCU) manages the train's braking system. It uses electronic braking to regulate and control the braking force.

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What is Rescue Drive Mode?

A rescue drive mode (RDM) allows the train to operate in a simplified mode with reduced functionality in case of system failure. This mode is primarily used for clearing the track with minimal functionality.

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What is the MMI?

The Man Machine Interface (MMI) provides the driver with information and controls. This includes displays, gauges, buttons, and switches that allow the driver to monitor and operate the train system.

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What are KLIP stations?

KLIP stations act as input/output points for the CCU, allowing it to control devices and receive information from the train's various components.

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How does the braking system work?

The MVB bus connects all braking components (except the driver's automatic brake valve) and transmits brake commands from the joystick/brake lever to the CCU. The CCU then calculates and distributes brake forces to the EP and ED brake, and sends these values to the BCUs and TCUs. The EP unit converts the brake value into compressed air for braking.

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What is the EP brake?

The EP brake uses compressed air to apply brakes to the train.

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What is the ED brake?

The ED brake is an electromagnetic brake that uses electric current to apply brakes to the train.

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How does the train handle slippery surfaces?

The train doesn't have a pneumatic Wheel Slip Protection (WSP) system, so the driver needs to brake earlier on slippery surfaces to avoid wheel flats.

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What are the BCUs and TCUs?

The BCUs and TCUs receive braking commands from the CCU and control the individual brakes.

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What does the automatic vigilance device do?

The automatic vigilance device monitors driver activity and automatically applies brakes if the driver releases the vigilance monitoring button during the journey.

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What happens if a BCU fails?

If there's a failure in the BCU, the TCU automatically takes over all functions.

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What is the purpose of the display in the MMI?

The display assists the driver in diagnosing issues by showing relevant error messages and instructions on how to fix them.

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What information does the top level screen on the MMI display?

The MMI screen provides information on the current speed and direction of the train.

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What does the Unit Screen on the MMI show the driver?

The Unit Screen gives details about a specific train unit.

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What information does the Driver / Brake Screen on the MMI show?

The Driver / Brake Screen displays the current traction/braking force being applied to the train.

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What are the soft keys on the MMI used for?

The soft keys on the MMI control various functions, allowing the driver to interact with the system.

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How are the MMI screens organized?

The MMI has various levels of information, including a top level screen, unit screen, and Driver / Brake Screen.

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How does the MMI facilitate train control?

The MMI allows the driver to control the train's operation through various features.

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How does the MMI ensure clear communication with the driver?

The MMI uses understandable symbols and clear messages to guide the driver through operations.

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What information is displayed on the MMI to keep the driver informed?

The MMI provides essential information such as train number, date, time, and status updates, helping the driver stay informed.

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How does TCU communicate with other parts of the train?

The TCU acts as a central hub, exchanging data and signals with other essential components of the train set via the MVB communication module.

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What is the TCU's role in train movement?

The TCU is responsible for controlling the train's traction and braking forces, ensuring smooth and safe operation.

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How does the TCU control the train's motors?

The TCU generates control signals for the traction converters, directing the flow of electricity for propulsion.

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What does the TCU monitor?

The TCU is equipped with a monitoring system to keep track of key parameters like power switches, currents, voltages, and temperatures.

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What is the TCU's role in troubleshooting?

The TCU performs diagnostics, analyzing train systems and identifying potential issues to ensure overall system health.

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Describe the TCU's physical structure.

The TCU is comprised of electronic devices housed within a forced-air cooled rack, ensuring proper operation and heat dissipation.

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How does the TCU connect to the train?

The TCU is connected to the train's environment through front plugs, allowing for interaction with external components.

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What is the role of the CPU in the TCU SIBAS 32 S system?

The central processing unit (CPU) of the TCU SIBAS 32 S system is responsible for managing the advanced functions of the traction system, such as setting power flow values, controlling circuit breakers, and providing system monitoring and protection.

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What is the purpose of the signal processors in the TCU SIBAS 32 S system?

The three signal processors in the TCU SIBAS 32 S system handle the control of the traction converters, a crucial component of the traction system.

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What is the role of the MVB communication module?

The Multi Vehicle Bus (MVB) communication module allows the CPU to communicate with other systems within the train, including other car units, and components like the BCU, ACU, and KLIP.

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How does the CPU determine the required power flow in the traction system?

The CPU sets the required power flow values for the traction converters (4QC and PWMIs), aiming to provide the appropriate amount of power to the train motor.

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Why are the signal processors responsible for time-critical functions?

The signal processors are designed to handle time-sensitive functions like closed-loop control of the traction system and open-loop control of the converters. This allows the CPU to focus on higher-level tasks.

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What is the MVB (Multi Vehicle Bus)?

A communication network connecting various train units, allowing the CCU to control functions across multiple vehicles.

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What is the role of the CCU (Central Control Unit) in the braking system?

This unit calculates and distributes brake forces to EP and ED brakes, then sends these values to the BCUs and TCUs.

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What is the function of the Automatic Vigilance Device?

This device automatically applies brakes and cuts off power if the driver releases the vigilance monitoring button during the journey, enhancing safety by ensuring the driver is attentive.

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What is the MMI (Man-Machine Interface)?

This system provides the driver with information and control of the train's functionalities through various displays, gauges, buttons, and switches.

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What happens during a BCU failure?

In the case of a BCU failure or defect, the TCU takes over all braking functions, ensuring the train can still be safely stopped.

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What are the two main types of brakes used in the train?

The EP brake uses compressed air to apply brakes to the train, while the ED brake uses electric current to apply brakes.

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What are the functions of the BCUs and TCUs in the braking system?

These units receive braking commands from the CCU and control the individual brakes, ensuring efficient braking.

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When is the Automatic Vigilance Device disabled?

If the speed is below 5km/h, the automatic vigilance device is disabled, allowing the driver to maneuver the train slowly without triggering the brakes.

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What information does the MMI's top level screen show?

The top level screen on the MMI displays key data, such as the date, time, the train's number, and any messages. The "short message" area shows a brief overview of the current status.

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What does the Unit Screen on the MMI display?

The Unit Screen on the MMI provides detailed data about a specific unit of the train. This could include information related to the unit's brakes, traction, or other functions.

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What information is displayed on the MMI's Driver / Brake Screen?

The Driver / Brake Screen on the MMI shows the amount of power or braking force the train is currently applying.

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What are the soft keys on the MMI for?

Soft keys on the MMI are the buttons within the interface that allow the driver to select and activate various functions or screens.

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How does the MMI communicate with the driver?

The MMI presents information to the driver in a clear and understandable format using symbols and text. This allows for effective communication between the driver and the train system.

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What is the relationship between the MMI and the MVB?

The Multi Vehicle Bus (MVB) connects the different units of the train. Through this network, the CCU (Central Control Unit) communicates and coordinates functions between different train units, like braking and acceleration.

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Why is the MMI important for keeping the driver informed?

The MMI presents important information like speed, direction, date, time, and status updates. This ensures the driver is always up-to-date on the train's operation.

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What is the role of the TCU?

The Train Control Unit (TCU) is the brain of the train's electrical system. It processes, evaluates, stores, and transmits data and signals to control various aspects of the train's operations.

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How does the TCU communicate with other parts of the train?

The TCU communicates with other components of the train set via the MVB (Multi Vehicle Bus). This allows the TCU to share information and control functions across multiple train units.

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What are some of the key tasks performed by the TCU?

The TCU's main tasks include controlling power switches, managing traction and regenerative braking, generating control signals for traction converters, and monitoring key parameters like currents, voltages, and temperatures.

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Describe the physical structure of the TCU.

The TCU is housed in a rack with forced-air cooling to dissipate heat generated by its electronic components. It connects to the train's environment through front plugs.

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Summarize the TCU's importance in the train's electrical system.

The TCU plays a crucial role in the train's operation by managing the train's electrical system, controlling power flow, and monitoring key parameters, ensuring safe and efficient train operation.

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Study Notes

Control System (SIBAS 32)

  • The control system (SIBAS 32) comprises several units: 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, including the display.
  • Units and vehicle components connect via a Multi-Vehicle Bus (MVB). The MVB has redundant lines (A and B) for backup. If line A fails, system will automatically switch to backup line B, allowing degraded operation.
  • A degraded operating mode (RDM) allows track clearing if the MVB fails.
  • Auxiliary lamps activate in the RDM, and the display is deactivated.
  • Switches and other consumers connect via input/output stations (KLIP stations).
  • KLIP stations minimize the length of control lines to the CCU.

Traction Controls

  • The vehicle is a three-phase vehicle controlled by a TCU.
  • The TCU receives propulsion and braking instructions (electronic brake).
  • Information from the TCU is transmitted to the current converter.
  • A TCU failure prevents the unit from autonomous operation but isn't a safety concern if the vehicle is part of a train.

Brake Control

  • All braking components directly affecting the brakes are connected to the MVB.
  • Brake commands, initiated by joystick/brake lever, are calculated and transmitted to Brake Control Units (BCUs) and Traction Control Units (TCUs).
  • A pneumatic Wheel Slip Protection (WSP) isn't available for this vehicle. Wheel slip prevention is limited to driven axles of motor cars.
  • In case of brake malfunction, the driver can use emergency brake function, and the TCU can, if necessary, take over the functions of the faulty brake control unit (BCU).

Automatic Vigilance Device

  • The automatic vigilance device activates automatically if the vigilance monitoring button is released while travelling.
  • The device applies brakes and shuts off the power of the train.
  • This function in disabled when speed is below 5 km/h.
  • The brakes are automatically engaged even in degraded modes (like rescue drive mode) when speed is below 5 km/h.

Display Support

  • A Man-Machine Interface (MMI) provides real-time display of important system functions (e.g. train number, date, time, screen designations, short/long messages, etc.)
  • Colored icons represent the operational status of the train's components.
  • Drivers can identify malfunctions by visually examining the display.
  • Error messages provide guidance for remedial actions.

Different MMI Screens

  • There are various MMI screens (Top level screen, Unit Screen), showing information such as the train number, date, time, main screen, message text, etc. These screens use colored icons to visually represent the status and signals.

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Description

This quiz delves into the SIBAS 32 control system, focusing on its components such as the Central Control Unit (CCU), Traction Control Unit (TCU), and Multi-Vehicle Bus (MVB). Learn how these units interact and maintain redundancy for optimal train operation and safety. Test your understanding of the technology behind modern train control systems.

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