ABB High-Speed 8 Mbit/s Communication Module CI858

ABB CI858: High-Speed DriveBus Communication Interface

• Express Shipping via FedEx, UPS, or DHL
• 12-Month Warranty Included
• Ready for Immediate Deployment

Product Overview

• The CI858 connects AC 800M controllers to ABB drives and special I/O
• This communication interface enables 8 Mbit/s high-speed data transfer
• Perfect for rolling mill drives and paper machine control systems
• Hot-swap capability allows maintenance without system downtime

Technical Specifications

• Product ID: 3BSE018135R1
• Brand & Model: ABB CI858
• Interface Type: DriveBus Communication Master
• Data Speed: 8 Mbit/s Transmission Rate
• Power Consumption: 200 mA Typical at 24V
• Max Drives per Unit: 24 ABB Drives Maximum
• Max Units per Controller: 2 CI858 Modules
• Connection Type: Optical Connector
• Operating Temperature: +5°C to +55°C
• Storage Temperature: -40°C to +70°C
• Unit Dimensions: 59mm W × 185mm H × 127.5mm D
• Product Weight: 700 grams Complete Unit
• Protection Class: IP20 Enclosure Rating

System Configuration

• Connect up to 24 drives to one CI858 interface
• Use NDBU branching units for multiple drive connections
• Create star topology networks with chained branching units
• Powered directly through CEX-Bus from processor unit
• No external power supply required for operation

Key Features

• Hot-Swap Capability for Continuous Operation
• Optical Connection for Noise Immunity
• DriveBus Protocol Optimization
• Industrial-Grade Construction
• CEX-Bus Power Supply
• Sectional Drive Application Support

Package Contents

• CI858 DriveBus Communication Interface Unit
• Installation Baseplate Assembly
• Mounting Hardware and Components
• Technical Documentation Set

Installation Guide

• Mount the unit in compatible AC 800M controller rack
• Connect optical DriveBus cables securely
• Use NDBU branching units for multiple drives
• Verify all optical connections are clean and proper
• Check system recognition after installation

Environmental Compliance

• IP20 Protection Against Solid Objects
• G3 Corrosion Protection per ISA 71.04
• Marine Certifications from Major Classification Societies
• RoHS and WEEE Environmental Directives
• CE Marked for European Operations

Frequently Asked Questions

How many drives can I connect to one CI858 unit?

Each CI858 supports up to 24 ABB drives. Use NDBU branching units to create the necessary network topology.

What type of cable does this interface use?

The unit features optical connectors for maximum noise immunity. These specialized cables ensure reliable data transmission.

Can I replace the unit without stopping the system?

Yes, the hot-swap capability allows you to remove and replace the CI858 while the controller remains operational.

Do I need an external power supply for this unit?

No, the interface draws power directly from the CEX-Bus. The processor unit provides all necessary operating power.

What applications benefit most from this interface?

Rolling mill drives and paper machine controls see the greatest benefit. These applications require precise, high-speed drive communication.