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ABB 1MRK004816-AB

Technical Specifications

  • Weight and Dimensions: It weighs 0.3 kg, with compact dimensions of 15cm x 2.5cm x 20.3cm, which is easy to handle and install, and can be installed in narrow spaces.
  • Digital I/O: It supports up to 20 digital inputs and 11 digital outputs, which can be connected to various field devices to realize signal collection and control commands issuance.
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Function Features2

  • Diverse Protection Functions: It integrates various control and protection functions, such as over – current, under – voltage, over – voltage, and ground fault protection. It can provide reliable protection for electrical systems, preventing damage caused by phase faults, such as phase loss, phase sequence error, over – voltage, and under – voltage.
  • Control Functions: It can realize the switching operation of the power system, as well as functions such as automatic reclosing and load shedding, which is helpful to ensure the stable operation of the power system.
  • Monitoring Functions: It can monitor the operating status of the power system in real – time, ensure that it operates within a safe range, and provide functions for diagnosing, recording, and analyzing the operating status of the power system.
  • Intelligent Remote Control: It supports remote monitoring and management, and can communicate with monitoring systems, SCADA systems, or other automation devices, realizing intelligent control of power equipment.

Application Scenarios3

  • Generator Protection: In power plants, it can be used to protect generators, monitor and control generator over – current, over – frequency, over – voltage, etc.
  • Transformer Protection: It is used for differential protection and over – current protection of transformers to ensure the safe operation of transformers.
  • Cable and Line Protection: It can be applied to the protection of cables and transmission lines to prevent short – circuits, over – loads, and other electrical faults.
  • General Power System Protection: It is suitable for the protection, monitoring, and control of electrical equipment and lines in power systems, and can be used for the protection of generators, transformers, cables, and lines in power systems, such as over – current, over – load, and short – circuit protection.

Supported Industrial Protocols2

  • IEC 61850: This protocol is supported, which is beneficial to realizing digital communication in substations, and is suitable for the communication between intelligent electronic devices in power systems.
  • Modbus: It supports Modbus protocol, which can communicate with other devices such as PLCs and HMIs, facilitating data exchange and system integration.
  • DNP3.0: It supports DNP3.0 protocol, which is suitable for communication between power system devices and can realize remote monitoring and control.

Expandability

Although there is no specific public information about its expansion – related content, referring to similar products, it may have the following expansion capabilities:

 

  • I/O Expansion: With a certain number of digital input and output interfaces, it may be possible to expand more I/O modules according to actual needs to meet the requirements of different scale systems, similar to the expansion method of some control relays that can be connected to expansion modules to increase the number of I/O points.
  • System Integration Expansion: It can communicate with monitoring systems and SCADA systems, and may be able to be further integrated with more complex industrial automation systems, such as being integrated into ABB’s System 800xA through relevant technologies, realizing the integration of industrial IT and traditional control systems, just like ABB’s other related products6.

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