Communication Protocol:Modbus TCP/IP, Ethernet/IP, PROFINET
Operating Voltage:24V DC
Data Transfer Rate:10/100 Mbps
Operating Temperature Range:-40°C to +70°C
Storage Temperature Range:-40°C to +85°C
Humidity Range:5% to 95%, non-condensing
Power Consumption:Max 2 W
Dimensions:120 mm x 100 mm x 45 mm
Weight:0.3 kg
The ABB CI855-1 Ethernet module is a key component in modern industrial automation setups. Designed specifically for Compact I/O systems, this module provides reliable Ethernet connectivity, enabling efficient data transfer and communication between field devices and higher-level control systems.
Built with robust engineering standards, the CI855-1 module ensures high performance even in harsh industrial environments. With a wide operating temperature range from -40°C to +70°C and humidity tolerance up to 95%, this module can withstand challenging conditions without compromising functionality.
The module supports a data transfer rate of up to 10/100 Mbps, allowing for quick and reliable data exchanges. Its compact size of 110mm x 80mm x 55mm makes it easy to integrate into existing or new installations, minimizing space requirements.
Installation of the ABB CI855-1 is straightforward and can be done by following the detailed instructions provided in the user manual. This module is equipped with LED indicators for status monitoring, simplifying troubleshooting and maintenance processes.
With its reliable performance and ease of integration, the ABB CI855-1 Ethernet module is a perfect choice for industries looking to enhance their automation capabilities. Whether you’re in manufacturing, energy, or any other sector requiring advanced control systems, this module offers a robust solution.



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