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Questions and Answers
What does the signal word 'CAUTION' indicate?
What does the signal word 'CAUTION' indicate?
How are single-step instructions organized?
How are single-step instructions organized?
What does the signal word 'NOTICE' signify in a warning notice?
What does the signal word 'NOTICE' signify in a warning notice?
What is the purpose of the information system mentioned?
What is the purpose of the information system mentioned?
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What does the signal word 'DANGER' indicate?
What does the signal word 'DANGER' indicate?
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What is the key length used in the encryption mode for the TLS connection?
What is the key length used in the encryption mode for the TLS connection?
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Which of the following cipher suites is used for key exchange in the TLS-secured connection?
Which of the following cipher suites is used for key exchange in the TLS-secured connection?
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Which encryption algorithm is not listed as part of the encryption standards?
Which encryption algorithm is not listed as part of the encryption standards?
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What hash function is specified for the Diffie-Hellman key agreement method in the device's encryption standards?
What hash function is specified for the Diffie-Hellman key agreement method in the device's encryption standards?
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Which version of TLS is supported by the assembly?
Which version of TLS is supported by the assembly?
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What is the primary function of the product described?
What is the primary function of the product described?
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Which of the following is NOT considered appropriate use of the product?
Which of the following is NOT considered appropriate use of the product?
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What should users ensure regarding personnel when using the product?
What should users ensure regarding personnel when using the product?
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Which of the following tools should be used with the product?
Which of the following tools should be used with the product?
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What consequence may arise from improper use of the product?
What consequence may arise from improper use of the product?
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What information is essential to ensure the correct assignment of vibro-acoustic records in the external database?
What information is essential to ensure the correct assignment of vibro-acoustic records in the external database?
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Where can you enter the name plate data for the transformer and other components?
Where can you enter the name plate data for the transformer and other components?
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What must be done to display the nameplate data for the on-load tap-changer?
What must be done to display the nameplate data for the on-load tap-changer?
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When is it necessary to set parameters for a control system protocol?
When is it necessary to set parameters for a control system protocol?
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What should be done if any aspect of the tests is unclear?
What should be done if any aspect of the tests is unclear?
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Which of the following interfaces is included in the CPU II assembly?
Which of the following interfaces is included in the CPU II assembly?
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How many CAN bus interfaces are available in the CPU II assembly?
How many CAN bus interfaces are available in the CPU II assembly?
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What is the total number of digital outputs provided by the DIO 28-15 assembly?
What is the total number of digital outputs provided by the DIO 28-15 assembly?
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Which combination of Ethernet interfaces is found in the CPU II assembly?
Which combination of Ethernet interfaces is found in the CPU II assembly?
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Which of the following components is NOT part of the CPU II assembly?
Which of the following components is NOT part of the CPU II assembly?
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Operating users with limited access rights can help reduce operational errors.
Operating users with limited access rights can help reduce operational errors.
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It is unnecessary to delete or disable the default 'admin' user ID as it is secure.
It is unnecessary to delete or disable the default 'admin' user ID as it is secure.
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Using SSL/TLS encryption only encrypts communication but does not check server authenticity.
Using SSL/TLS encryption only encrypts communication but does not check server authenticity.
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Regularly changing passwords is a recommended practice for maintaining device security.
Regularly changing passwords is a recommended practice for maintaining device security.
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It is advisable to ignore log files for unauthorized access if they appear to be appropriate.
It is advisable to ignore log files for unauthorized access if they appear to be appropriate.
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The control cabinet layout includes the A22 VI 4 vibration sensor input module.
The control cabinet layout includes the A22 VI 4 vibration sensor input module.
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The indicator lamp H1 signals that there are no anomalies detected.
The indicator lamp H1 signals that there are no anomalies detected.
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The PULS DIMENSION QS3.241 assembly provides power to the ISM® assemblies.
The PULS DIMENSION QS3.241 assembly provides power to the ISM® assemblies.
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The control cabinet consists of only digital inputs and outputs.
The control cabinet consists of only digital inputs and outputs.
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The indicator lamp H2 is red and signifies 'anomaly detected'.
The indicator lamp H2 is red and signifies 'anomaly detected'.
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The maximum permissible cable angle for the lifting gear is 60° in relation to the vertical.
The maximum permissible cable angle for the lifting gear is 60° in relation to the vertical.
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The control cabinet can be transported and stored in an upright position.
The control cabinet can be transported and stored in an upright position.
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Disconnecting the equipment can prevent the risk of electric shock when working with electrical devices.
Disconnecting the equipment can prevent the risk of electric shock when working with electrical devices.
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Electrostatic discharge poses no risk to the device during installation.
Electrostatic discharge poses no risk to the device during installation.
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The cap rail modules must be installed in a control cabinet that complies with EMC standards.
The cap rail modules must be installed in a control cabinet that complies with EMC standards.
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The on-load tap-changer records vibro-acoustic signals only during the initial phase of the tap change sequence.
The on-load tap-changer records vibro-acoustic signals only during the initial phase of the tap change sequence.
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The monitoring system can detect anomalies based on both time and amplitude aspects of the vibro-acoustic signals.
The monitoring system can detect anomalies based on both time and amplitude aspects of the vibro-acoustic signals.
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Temperature variations of the on-load tap-changer oil are disregarded in anomaly detection by the monitoring system.
Temperature variations of the on-load tap-changer oil are disregarded in anomaly detection by the monitoring system.
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The monitoring system only determines the tap position without analyzing the vibro-acoustic signals.
The monitoring system only determines the tap position without analyzing the vibro-acoustic signals.
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Event messages are sent when the monitoring system detects anomalies in the vibro-acoustic signal progression.
Event messages are sent when the monitoring system detects anomalies in the vibro-acoustic signal progression.
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Users must have the necessary user rights to modify device settings.
Users must have the necessary user rights to modify device settings.
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Multiple users cannot log in to the device at the same time.
Multiple users cannot log in to the device at the same time.
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Pressing the LOGOUT button will log out the current user.
Pressing the LOGOUT button will log out the current user.
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The menu currently selected is indicated by a red border.
The menu currently selected is indicated by a red border.
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To navigate through menus on the front panel, the user must press the OK key.
To navigate through menus on the front panel, the user must press the OK key.
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Study Notes
Signal Words in Warning Notices
- DANGER: Indicates a hazardous situation that can lead to death or serious injury if not avoided.
- WARNING: Points to a hazardous situation that could result in death or serious injury if precautions are not taken.
- CAUTION: Signifies a hazardous situation potentially causing minor or moderate injury if not avoided.
- NOTICE: Advises on measures to prevent property damage.
Information System
- Information is structured to enhance understanding of specific procedures and requirements.
Instruction System
- Includes both single-step and multi-step instructions for clear guidance.
Single-Step Instructions
- Comprises an aim, optional requirements, a single step, and optional results of the action.
Multi-Step Instructions
- Organized with an aim, optional requirements, and sequential numbered steps leading to results.
Appropriate Use of Product
- Designed for use with on-load tap-changers on power transformers/reactors to monitor anomalies in vibro-acoustic signals.
- Must adhere to specified conditions outlined in the technical file throughout the product's lifecycle.
- Limitations include using only with specified motor-drive units and ensuring qualified personnel operate the equipment.
IT Security Features
- Utilizes SHA256 hash function for password storage.
- Supports TLS 1.2 with specific cipher suites for secure communication, including:
- Key Exchange: ECDHE, DHE.
- Authentication: RSA with varying key lengths.
- Encryption: AES (128, GCM) and other algorithms.
- Hash Function: SHA265.
Encryption Standards
- Aligns with Germany's Federal Office for Information Security directive TR-02102-4.
- Covers key agreement techniques, server authentication, encryption algorithms, and MAC protections.
Product Variants
- MSENSE® VAM: Standalone in control cabinet.
- ETOS® ED/TD: Integration in motor-drive unit.
- ETOS® IM: Integration in customer control cabinet.
- MSENSE® BM: Another variant integrated with MSENSE® VAM functions.
Delivery Scope and CPU Functionality
- Verify completeness of shipment using shipping documents.
- CPU II assembly serves as the central unit with multiple communication interfaces including RS232, Ethernet, USB, and CAN bus.
Digital Inputs and Outputs
- DIO 28-15 Assembly: Provides 28 digital inputs and 15 outputs, including N/O and changeover contacts.
Nameplate Management
- Nameplate data for the transformer and related components can be entered and displayed, crucial for record-keeping of vibro-acoustic data.
Control System Protocol
- Optional protocol settings can be configured for specific data points as outlined in a separate supplement.
- Commissioning does not require additional parameters unless specified.
Security Recommendations
- Limit individual user rights to essential operations to minimize errors.
- Users with the "Operator" role should not have permission to alter device settings.
- Create a new "Administrator" account before deleting or disabling the default "admin" user ID.
- Deactivate service user access to enhance security.
- Implement SSL/TLS encryption for secure communication and server authenticity validation.
- Integrate the device into a public key infrastructure; generate and import custom SSL certificates if needed.
- Connect the device to a central log server via the syslog interface for better monitoring.
Device Operation Best Practices
- Regularly change passwords to maintain security.
- Export security logs periodically to document access and events.
- Monitor log files for signs of unauthorized access or security breaches.
Monitoring System Functions
- The system monitors vibro-acoustic signals from on-load tap-changers to detect anomalies in time and amplitude.
- On-load tap-changer is fitted with measuring equipment that records and analyzes signals during tap change sequences.
- Additional data collected includes tap position changes and oil temperature, enabling comprehensive anomaly detection.
Display Elements and Controls
- Indicator Lamp H1: Yellow light indicates an anomaly detected.
- Indicator Lamp H2: Green light indicates no anomalies present.
- Includes a service interface for maintenance.
Control Cabinet Layout
- Key components include:
- A10 CPU II for processing.
- VI 4 vibration sensor input module for signal detection.
- Various circuit breakers for voltage and control system protection.
- User access is governed by user rights, allowing concurrent logins for multiple users.
Accessing Device Settings
- Modify device settings only if proper user rights are granted.
- Log in via the control interface by selecting LOGIN or CHANGE and entering credentials.
- Navigate through menus using a rotary knob or web-based visualization.
Safety Guidelines
- Maintain cable angles under 45° during lifting to prevent accidents.
- Always transport and store the control cabinet flat to avoid tipping.
- Disconnect power and lock out equipment before performing maintenance to prevent electrical shock.
- Take precautions against electrostatic discharge to protect device components during installation.
Device Installation Notes
- Interconnect cap rail modules to comply with EMC standards and follow provided connection diagrams for successful installation.
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Description
This quiz covers the meanings of signal words used in warning notices. Learn how terms like 'Danger', 'Warning', and 'Caution' are crucial in conveying hazards. Understanding these terms can help in identifying risks and ensuring safety.
