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  • ABB NTU-7G7 Redundant/Isolated Control
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  • ABB NTU-7G7 Redundant/Isolated Control

    110V-380V
    5W-130W
    1A-30A
    1 year
    30
    United States, France, Japan, Viet Nam, Australia, Russia, Germany, Italy, Arabia
    NTU-7G7 Redundant/Isolated Control
    • ¥8498.00
      ¥12764.00
      ¥8498.00
      ¥8498.00
    • Satisfaction:

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    Weight:2.000KG
    • Quantity:
    • (Inventory: 2)
Description
NTU-7G7 Redundant/Isolated Control

ABB NTU-7G7 Redundant/Isolated Control

Basic information

Model and name: ABB NTU - 7G7 Redundant/Isolated Control, ‘NTU - 7G7’ is the specific model number of the product in the ABB product line for precise identification. It is a redundant and isolated control device for industrial automation control systems with high reliability and safety requirements.

Family: belongs to the ABB industrial automation control range. Within this series, there are other modules for signal input/output, communication, process control, etc., which work together to form a complete automation control system.

Application scenarios associated: Usually used in those key industrial processes that do not allow the system to be interrupted by faults, such as the continuous reaction process in chemical production, substation automation control in power systems, key equipment control in oil extraction and other areas to ensure the continuous and stable operation of the system and the safety of the equipment.

Functional Features

Redundancy function

Control channel redundancy: With multiple redundant control channels, when one channel fails, the other channels can immediately take over the work to ensure the continuity of the control function. For example, in the temperature control of a chemical reaction process, if the main control channel fails to work properly due to hardware failure or electromagnetic interference, the redundant channels can seamlessly take over and continue to regulate the reaction temperature in accordance with the preset temperature control strategy to avoid uncontrolled reaction.

Power supply redundancy: may be equipped with redundant power input interface, support dual power supply. This allows the other power source to continue to supply power to the equipment when one power source fails, ensuring the normal operation of the equipment. For example, in power system automation control, even if the external power supply line fails, the backup power supply can maintain the normal operation of NTU-7G7, thus guaranteeing the stable operation of the whole substation automation system.

Communication redundancy: In communication, redundant communication links are supported. Multiple communication networks can be connected at the same time or different communication protocols can be used for backup, such as both Ethernet and optical fibre communication interfaces, and it can automatically switch to the backup link when the main communication link fails to ensure uninterrupted transmission of control signals and data.

Isolation control function

Electrical isolation: Provide electrical isolation between the input and output of control signals, effectively preventing external interference signals from entering the control system, and also avoiding internal fault signals from affecting external equipment. The isolation voltage level is high, generally can reach thousands of volts, for example, in the presence of high-voltage equipment in the industrial environment, such as high-voltage substations, this electrical isolation can ensure the safety of operators and other equipment.

Functional isolation: the ability to isolate different control functions, so that the various functional modules operate independently of each other. For example, in a complex industrial automation system, the isolation of motor control function and valve control function, even if the motor control part of the failure, will not affect the normal control of the valve, improve the overall reliability of the system.

Fault detection and switching function

Automatic fault detection: Real-time monitoring of the operating status of each redundant channel, power supply, communication link and internal function module enables fast and accurate detection of fault points. Through the built-in diagnostic algorithms and hardware detection circuits, it identifies various fault conditions such as signal abnormality, voltage fluctuation and communication interruption.

Automatic switching mechanism: Once a fault is detected, it can automatically switch to the alternate channel, power supply or communication link. The switching process is fast and smooth, and does not cause large fluctuations in the system. For example, when the communication link is switched, the data integrity and real-time can be ensured, so that the control system can uninterruptedly receive and send control commands.

Technical parameters

Electrical parameters

Operating voltage range: usually support a wide range of operating voltage, such as 18V - 30V DC dual power input, in order to adapt to different power supply conditions in the industrial field, and in the event of a single power supply failure, the other power supply is able to stabilise the power supply within this voltage range.

Isolation Voltage Level: The electrical isolation voltage is generally between 1500V - 3000V AC, the specific value depends on the product design and application scenarios, this high isolation voltage can effectively isolate signals with different potentials and prevent the propagation of electrical faults.

Power consumption: power consumption is relatively low, taking into account the redundancy design may increase a certain amount of energy consumption, but the overall is still within a reasonable range, generally between 10W - 30W, the specific power consumption depends on the working status of the equipment and load conditions.

Performance Parameters

Switching time: When redundant channels, power supplies or communication links are switched over, the switching time is very short, generally in the milliseconds, for example, the switching time may be between 10ms - 50ms, such a short switching time ensures the continuity of the system and reduces the impact on the industrial process.

Number and type of control channels: Multiple control channels, the number of which may vary according to the specific product configuration, generally between 2 - 4, these channels can be digital or analogue signal channels to meet different control requirements.

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