Evaluating the ABB CI845 for Your Automation Needs

When selecting an Ethernet Fieldbus Communication Interface Module for the ABB Ability System 800xA platform, the CI845 offers a robust solution for connecting S800 I/O or Select I/O to AC 800M controllers. This buyer's guide helps you assess its technical specifications, application fit, and operational benefits.

Key Technical Specifications of the CI845

The CI845 operates with an input voltage range of 19.2 to 30 V and dissipates 5 W of power. It provides galvanic isolation between the power supply and I/O modules, ensuring signal integrity in industrial environments.

With an operating temperature range of -40 °C to +70 °C and IP20 protection, the module suits harsh conditions. It supports redundancy, hot swap, and Sequence of Events (SOE) for high-availability systems.

Application Scenarios for the CI845

In process industries like oil and gas, the CI845 enables reliable communication between field devices and controllers. Its support for HART pass-through allows access to device diagnostics, improving maintenance planning.

For manufacturing facilities, the module's built-in diagnostics and cabinet temperature supervision help prevent downtime. The ability to use single or redundant 24 V power supplies adds flexibility for critical applications.

Compatibility and Integration

The CI845 is designed for the ABB System 800xA ecosystem and works with both S800 I/O and Select I/O modules. It supports up to 12 single or 12 redundant S800 I/O modules and up to 192 Select I/O channels.

For redundant configurations, two CI845 units are installed in TU860 or TU865 MTUs. The module also includes mechanical keying and a locking slider that disconnects power before removal, enhancing safety during maintenance.

Frequently Asked Questions About the CI845

What is the power dissipation of the CI845?

The CI845 has a power dissipation of 5 W, as specified in the technical data.

Can the CI845 be used in hazardous areas?

Yes, the CI845 is certified for hazardous locations with ATEX II 3G, IECEx, and cULus approvals for Zone 2 and Division 2 environments.

Does the CI845 support HART communication?

Yes, the module supports HART v7 with HART pass-through and HART variables to the application when used with Select I/O.

Conclusion and Supply Assurance

The ABB CI845 Ethernet FCI Module delivers reliable communication and diagnostics for System 800xA. PetroPartsOnline offers this module with expert support to help you integrate it into your automation projects.