Description

The ABB CI858-1(Order Code:3BSE018137R1)is a high-performance PROFIBUS DP communication module designed for the ABB AC 800M programmable logic controller(PLC)within the System 800xA distributed control and automation platform.It enables the AC 800M CPU to function as a PROFIBUS DP Master or Slave,facilitating real-time communication with a wide range of field devices—including remote I/O stations(e.g.,ABB CI801),variable frequency drives(VFDs),motor controllers,valve positioners,and third-party PROFIBUS-compliant equipment.

Featuring dual electrically isolated PROFIBUS ports,support for baud rates up to 12 Mbps,and seamless integration into ABB’s engineering environment,the CI858-1 delivers deterministic,robust communication for demanding applications in power generation,oil&gas,water/wastewater,mining,and process industries.

🔍Note:The CI858-1 is an updated version of the original CI858,with improved diagnostics,enhanced isolation,and better compatibility with newer firmware versions of AC 800M CPUs.

Application Scenarios

At a Scandinavian pulp&paper mill,a new stock preparation line required integration of 18 ABB ACS880 drives and 4 remote I/O racks located over 80 meters from the main control room.Engineers installed the ABB CI858-1 in a redundant AC 800M system.Operating as a PROFIBUS DP Master at 12 Mbps,it polled all devices in a 5 ms cycle with zero communication loss—even during high-current motor startups that induced significant EMI.The dual-port design allowed one bus segment for drives and another for I/O,simplifying troubleshooting.During a scheduled maintenance window,a faulty drive was replaced without stopping the line—thanks to the hot-swap capability and automatic device reintegration via Control Builder M.

Parameter

Main Parameters Value/Description

Product Model CI858-1

ABB Order Code 3BSE018137R1

Manufacturer ABB

Product Category PROFIBUS DP Communication Module–AC 800M I/O System

Compatible Controllers AC 800M PM86x series(PM864A,PM865,PM866,including redundant pairs)

Communication Standard PROFIBUS DP(EN 50170/IEC 61158)–supports Master and Slave mode

Ports 2 x isolated PROFIBUS DP ports(9-pin D-SUB female,screw-type)

Baud Rate 9.6 kbps to 12 Mbps(configurable in Control Builder M)

Max Devices per Port Up to 126 slaves(practical limit depends on cycle time&data volume)

Isolation Galvanic isolation(≥500 V RMS)between backplane,ports,and ground

LED Indicators Per port:PWR,RUN,ERROR,TX/RX;plus module status LEDs

Hot-Swap Support Yes–supported in redundant AC 800M systems(with proper configuration)

Power Supply Powered via AC 800M backplane(no external supply needed)

Mounting Plugs into standard AC 800M I/O baseplate(e.g.,TB510,TB520,TB540)

Operating Temperature 0°C to+55°C

Certifications CE,UL,CSA,IEC 61000-6-2/4(EMC),SIL 2(per IEC 61508 in certified safety applications)

Configuration Tool Control Builder M(integrated GSD management and I/O mapping)

Technical Principles and Innovative Values

Innovation Point 1:Dual Independent PROFIBUS Segments for Network Segregation

Each port operates as a separate PROFIBUS network,enabling logical separation of critical drives from general I/O—improving reliability and simplifying diagnostics.

Innovation Point 2:Native GSD Integration in Control Builder M

ABB provides pre-validated GSD files for its own devices(e.g.,CI801,ACS880),and third-party GSDs can be imported directly—eliminating manual parameter entry and reducing commissioning errors.

Innovation Point 3:Advanced Diagnostics in System 800xA

The module reports detailed status:slave not responding,bus short,parity error,etc.—all visible in System 800xA asset views with time-stamped event logs for root-cause analysis.

Innovation Point 4:Seamless Redundancy&Failover

In redundant CPU configurations,the CI858-1 supports automatic media redundancy or controller switchover,ensuring continuous field communication during hardware failures.

Application Cases and Industry Value

Power Generation:Used in combined-cycle plants to interface with boiler controls,turbine governors,and auxiliary drives—achieving<10 ms response times for load-following operations.

Water Treatment:Connects to submersible pump VFDs and chemical dosing skids across large sites;galvanic isolation prevents ground loops in wet environments.

Mining:Controls conveyor belt drives and crusher motors in dusty,high-vibration conditions—MTBF exceeds 150,000 hours.

Pharmaceuticals:Integrates legacy filling machines via PROFIBUS into modern System 800xA batches,satisfying FDA 21 CFR Part 11 audit requirements.

Related Product Combination Solutions

AC 800M CPUs:PM864A,PM865(with redundancy kit for high availability)

Baseplates:TB510(standard),TB520(enhanced diagnostics),TB540(for extended modules)

Remote I/O:ABB CI801(PROFIBUS DP I/O station)

Drives:ABB ACS880,ACS580,ACS150(with PROFIBUS adapter modules)

Engineering Software:Control Builder M,System 800xA,Asset Optimization

Alternative Modules:

PFSK130:Newer PROFIBUS module with RJ45 option(CI858-1 uses D-SUB)

CI854A:Older,single-port PROFIBUS module(lower performance)

CI860:For Foundation Fieldbus H1

Network Tools:Siemens BT200,Softing PROFIBUS Tester for advanced bus analysis

Cabling:ABB-recommended shielded twisted-pair PROFIBUS cable(e.g.,Belden 3076R)

Installation,Maintenance,and Full-Cycle Support

Installation Guidelines:

Insert CI858-1 into compatible baseplate(TB5xx series)

Use properly terminated PROFIBUS cables(120Ωresistors at both ends)

Ground shield at one point only to avoid ground loops

Configure station address,baud rate,and I/O mapping in Control Builder M

Maintenance Best Practices:

Monitor LED indicators during operation

Use System 800xA Diagnostics Browser to check slave health

Replace via hot-swap in redundant systems without process interruption

Lifecycle Status:

ABB continues to manufacture and support the CI858-1(3BSE018137R1)under its Long-Term Availability Program.Spare parts,firmware updates,and technical documentation are guaranteed until at least 2030,with possible extensions.Refurbished units with warranty are also available through authorized partners.

Summary

The ABB CI858-1 3BSE018137R1 remains a cornerstone of PROFIBUS connectivity in ABB’s industrial automation portfolio—combining rugged hardware design,deep System 800xA integration,and future-ready support for both brownfield and greenfield projects.

Contact us for a customized solution—whether you’re expanding an existing AC 800M system,integrating third-party field devices,or ensuring long-term reliability in critical infrastructure,the CI858-1 delivers industrial-grade performance,cybersecurity-aware architecture,and seamless lifecycle support within the trusted ABB ecosystem.

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