ABB CI801 Overview

Product Positioning:
The ABB CI801 is a fieldbus communication interface module within the ABB S800 I/O system. It serves as a key bridge between I/O modules and upper-level controllers (such as PLCs or DCS systems), enabling real-time data transmission and interaction via various fieldbus networks.

Supported Communication Protocols:

PROFIBUS DP / DP-V1 (standard fieldbus communication)

CAN, Modbus RTU, IEC 60870-5-101/104, DNP3, and other multi-protocol options

Multiple interface types: Ethernet, USB, RS-232 / RS-422 / RS-485

Core Functions:

Signal processing (filtering, scaling, linearization)

OSP (Online Set Parameters) handling and hot configuration operation

HART pass-through capability

Provides isolated power supply to connected I/O modules

Built-in diagnostics and self-testing functions for easy field maintenance

Main Technical Specifications (Model 3BSE022366R1):

Processor: 800 MHz CPU, 256 MB RAM, 512 MB Flash

Power Supply: 24 V DC, typical power consumption ≈ 5 W (some variants < 10 W)

Dimensions / Weight: Approx. 125 mm × 100 mm × 30 mm, 0.3 kg; another version 88 mm × 12 mm × 64 mm, 70 g

I/O Channels: 8 digital inputs, 6 transistor outputs, 12-bit resolution, program capacity 2 K steps

Communication Channels: Up to 12 channels, maximum baud rate 115,200 bps

Typical Applications:

Robotic control and industrial automation production lines

Traffic signal and intelligent building control systems

Power plants, boiler control, and circulating water systems in energy and chemical process monitoring

Integrated process control solutions when used in combination with other ABB S800 I/O modules (AI, AO, DI, DO series)