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ABB CI858A PLC Module – High-Performance Communication Interface

Part Number:CI858A
Input voltage: 230 V AC ± 10 %, 50/60 Hz
Output voltage: 24 V DC ± 10 %
Output current: 2 A
Output power: 48 W
Protection class: IP20
Dimensions: 100 x 70 x 50 mm
Weight: 0.5 kg

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ABB CI858A is a communication interface module for ABB AC 800M series controllers. It enables communication with external devices, such as drives, instruments, and other controllers.

Key Features

  • High-speed communication: ABB CI858A supports various protocols, including Ethernet/IP, Modbus TCP, and PROFINET IO.
  • Flexible configuration: Users can customize the module for their specific needs, such as adding or removing communication channels and configuring network settings.
  • Redundancy support: ABB CI858A supports redundancy with two independent communication channels for high availability and reliability.
  • Easy integration: ABB CI858A is easy to integrate into existing systems with a simple plug-and-play design and compatibility with various automation systems.


  • Improved system performance: ABB CI858A’s high-speed communication reduces communication delays and improves system performance.
  • Increased system availability: ABB CI858A’s redundancy ensures that communication channels are always available, even in the event of a failure.
  • Reduced installation and maintenance costs: ABB CI858A is easy to install and maintain, reducing downtime and minimizing costs.
  • Increased flexibility: ABB CI858A’s flexible configuration allows users to customize the module to meet their specific needs.
  • Simplified integration: ABB CI858A’s plug-and-play design and compatibility with various automation systems simplify integration and reduce costs.


ABB CI858A is a versatile communication interface module that enables high-speed communication between ABB AC 800M controllers and external devices. Its flexible configuration, redundancy support, and easy integration make it an ideal solution for various applications, including manufacturing, energy, and transportation. With its high-performance communication capabilities and numerous benefits, ABB CI858A is an excellent choice for anyone looking to improve their system’s performance and reliability.

Q: What are the benefits of using the ABB CI858A?

A:The ABB CI858A is a versatile and reliable power supply that can be used in a variety of applications. It is compact and lightweight, making it easy to install and transport. The CI858A also features a wide input voltage range, making it compatible with a variety of power sources.

Q: What are the applications of the ABB CI858A?

A:The ABB CI858A can be used in a variety of applications, including:

  • Industrial automation
  • Security systems
  • Telecommunications
  • Medical equipment
  • Data centers

Q: How do I purchase the ABB CI858A?

A:The ABB CI858A is available for purchase from authorized ABB distributors.




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