The CI854BK01 (part of the CI854B series) is a high-performance PROFIBUS DP communication interface module manufactured by ABB. It is designed to act as a bridge between the ABB 800xA control system (AC 800M controller) and PROFIBUS DP field devices such as drives, sensors, and actuators. This module ensures high-speed, deterministic data exchange, making it a critical component in complex process automation and manufacturing environments.

 

Technical Specifications

• 📋 Model Name: CI854B / CI854BK01
• 🏷️ Part Number: 3BSE034259R1
• 🏢 Manufacturer: ABB (Asea Brown Boveri)
• ⚖️ Weight: Approximately 0.3 kg
• 📏 Dimensions: 115mm x 119mm x 30mm (Compact S800 I/O form factor)
• 🌏 Origin: Sweden / Germany
• ⚡ Power Consumption: Typically 3W from the DC supply
• 🔌 Communication Interface: PROFIBUS DP-V1 (Master)
• 🛡️ Environmental: Designed for harsh industrial conditions, IP20 rated

 

Frequently Asked Questions (Q&A)

What is the function of the CI854BK01 module in an ABB system? It acts as a PROFIBUS DP master. It manages communication tasks between the AC 800M controller and all connected PROFIBUS-compliant field devices, handling cyclic and acyclic data traffic to ensure real-time process control.

How is this module different from the standard CI854A? The CI854B series offers improved performance and enhanced diagnostic features over the older “A” series. It is fully backward compatible in most existing 800xA configurations, provided the software/firmware matches the requirements of the specific controller version.

What does the “K” in the part number indicate? The “K” often denotes that the module is supplied as a “Kit” or a specific verified spare part version that includes the necessary accessories (such as the connector or terminal base) for immediate replacement in an industrial cabinet.

What should I check if the module reports a communication fault? First, check the status of the PROFIBUS bus connector to ensure it is seated correctly and that the bus is terminated at both ends (using 120-ohm resistors). Second, check the diagnostic LEDs on the front face of the module; a “BF” (Bus Fault) LED typically indicates a loss of communication with one or more slave devices.

Is it possible to hot-swap this module? Yes, the CI854B series is designed to be hot-swappable in a running system when installed on an ABB S800 I/O baseplate, allowing for maintenance without requiring a full system shutdown.

 

Recommended Series and Related Models

The following modules are frequently used within the ABB 800xA and S800 I/O family to support integrated control systems:

• CI850: PROFIBUS DP Communication Interface (Legacy)
• CI858: PROFINET IO Communication Interface
• CI860: MB300 (MasterBus 300) Interface
• CI867: Modbus TCP Communication Interface
• PM864AK01: Central Processing Unit (AC 800M)
• TB840: S800 I/O Cluster Modem (Fibre Optic)
• AI810: Analog Input Module
• DI810: Digital Input Module
• DO810: Digital Output Module
• TU810: Compact Terminal Unit