ABB CI840/CI840A

As of my knowledge cutoff in October 2023,ABB does not have a publicly documented product named”ABBCI801″in its official line of industrial automation devices.It is possible that the model number is a typo,a regional variant,or a custom solution not listed in standard product literature.

If you are referring to ABB’s CI840/CI840A communication interface module(commonly paired with the TU847 terminal unit),here is a generalized English overview based on similar ABB products:

ABB CI840/CI840A Communication Interface Module

The ABB CI840/CI840A is a high-reliability communication interface module designed for industrial automation systems.It serves as a redundant communication bridge between control systems(e.g.,DCS,PLC)and field devices,enabling seamless integration with PROFIBUS DP and ABB ModuleBus protocols.

Key Features

Redundant Communication:Supports dual PROFIBUS DP channels for fail-safe data transmission in safety-critical applications.

Protocol Compatibility:Interface for both electrical and fiberoptical bus systems(via TB840 modems).

Power Management:operations with 24 V DC power supply,ensuring stable performance.

Environmental Resilience:Certified for use in hazardous areas(e.g.,ATEX Zone 2)and wide temperature ranges.

Applications

Redundant I/O configurations in chemical plants,power stations,and process industries.

Integration with ABB’s modular terminal units(e.g.,TU847)for distributed control systems.

The company mainly imports PLC modules, programmable controllers, servo control systems and DCS spare parts, such as: ABB, AB (Rockwell), GE (General Electric), Bentley, Honeywell, Emerson, Motorola, Invensys, Westinghouse, etc. The company has established close cooperative relations with many world-renowned PLC and DCS product maintenance service providers, and can directly purchase from abroad, providing equipment and spare parts from different countries and manufacturers.

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