ABB DCS Modules: ABB Bailey, AC800M & S800 I/O Module

Core Positioning: Flexible, Reliable Automation Foundation

The core positioning of ABB industrial control modules is to build a flexible, reliable automation system capable of withstanding harsh industrial environments. This is primarily reflected in:

Distributed Architecture
System Integration & Digitalization
High Reliability & Availability
Extreme Environment Adaptability

Technical Advantages: Modularity, Intelligence, and Safety

ABB's technical strengths are embedded throughout the product design:

Broad Modular Selection
Advanced Diagnostics & Intelligence
Integrated Functional Safety
Open Communication Capabilities

Key Application Areas

Leveraging these advantages, ABB industrial control modules are widely deployed across various industrial sectors. Key application areas include:

Application Sector	Typical Scenarios
Process Industries	Valve control, process parameter regulation, and safety monitoring in oil & gas, chemical, and power generation
Manufacturing & Discrete Automation	Robotic control, material handling, and high-precision assembly in automotive, electronics, and general manufacturing
Energy & Infrastructure	Equipment monitoring in power systems, water/wastewater treatment, and signaling/equipment control in railway and transportation
Harsh/Special Environments	Marine engineering, mining, and metallurgy — applications with high temperatures, high humidity, and strong vibration

New ABB CI854BK01 3BSE069449R1 PROFIBUS DP-V1 Communication Interface Module
The ABB CI854BK01 3BSE069449R1 is a PROFIBUS DP-V1 communication interface module designed for the AC 800M controller family within the System 800xA distributed control system. It serves as the primary gateway between the controller and PROFIBUS field devices, enabling high-speed data exchange with remote I/O stations, intelligent transmitters, variable frequency drives, and valve positioners.
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New ABB ABB BC810K02 3BSE031155R1 CEX-Bus Interconnection Unit Kit
The ABB BC810K02 3BSE031155R1 is a CEX-Bus Interconnection Unit Kit designed for the AC 800M controller family within the System 800xA distributed control system. The kit supports fully redundant CPU configurations with hot-swap capability, enabling online replacement of CPU baseplates without interrupting CEX-Bus traffic.
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New ABB CI871K01 3BSE056767R1 PROFINET IO Communication Interface Module
The ABB CI871K01 (3BSE056767R1) is a PROFINET IO communication interface module designed for the AC 800M controller family within the System 800xA distributed control system. It serves as a single-channel IO-Controller (master) connecting the controller to PROFINET field devices, supporting real-time industrial Ethernet communication at speeds up to 100 Mbps.
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New ABB PM866AK02 3BSE081637R1 AC 800M Controller Redundant Processor Unit
The ABB PM866AK02 3BSE081637R1 is a redundant processor unit from the AC 800M controller family, serving as the central processing core for ABB Ability™ System 800xA distributed control systems. The controller supports full redundancy including CPU, CEX-Bus, communication interfaces, and S800 I/O, with failover time under 10 ms, making it ideal for critical process control in power generation, oil & gas, and chemical industries.
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New ABB LD 810HSE EX 3BSE091722R1 FOUNDATION Fieldbus Linking Device
The ABB LD 810HSE EX 3BSE091722R1 is a FOUNDATION Fieldbus Linking Device designed for the ABB 800xA DCS and S900 I/O systems. It serves as a gateway between FF-HSE (High Speed Ethernet) and FF-H1 (Foundation Fieldbus), enabling seamless integration of field instruments in hazardous areas.
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New ABB 3BDZ000398R1 RLM01 PROFIBUS Redundancy Link Module
The ABB 3BDZ000398R1 is the RLM01 PROFIBUS Redundancy Link Module, designed to enhance network reliability by managing redundant PROFIBUS connections in industrial automation systems. This module ensures continuous communication by automatically switching to the backup link if a failure occurs, making it ideal for mission-critical applications in power generation, oil & gas, and process industries.
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ABB DO880 3BSE028602R1 Digital Output Module HI S/R 16 ch
The ABB DO880 (3BSE028602R1) is a 16-channel high-integrity digital output module from the S800 I/O system, designed for ABB System 800xA DCS, AC 800M, and Symphony Plus controllers.
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ABB AO820 3BSE008546R1 Analog Output Module in stock
The ABB AO820 (3BSE008546R1) is a 4-channel bipolar analog output module from the S800 I/O system, designed for ABB System 800xA DCS and AC 800M controllers.The module features individual galvanic isolation per channel and built-in diagnostics, making it a reliable solution for precision control in demanding industrial environments including chemical, oil & gas, and pharmaceutical applications.
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ABB AO890 3BSC690072R1 Analog Output Module New in Stock
The ABB AO890 (3BSC690072R1) is an 8-channel intrinsically safe analog output module from the S800 I/O system, designed for ABB System 800xA DCS and AC 800M controllers. The module features integrated intrinsic safety (Ex ia) protection components on each channel, allowing direct connection to process equipment in hazardous areas (Zone 0/1/2) without requiring external safety barriers.
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ABB AO845 3BSE023676R1 Analog Output Module in stock
The ABB AO845 (3BSE023676R1) is an 8-channel analog output module from the S800 I/O system, designed for ABB System 800xA DCS and AC 800M controllers. It provides 4...20 mA current signals to control field actuators such as valves, positioners, and variable speed drives.
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ABB AO845A 3BSE045584R1 Analog Out Module in stock
The ABB AO845A (3BSE045584R1) is an 8-channel analog output module from the S800 I/O system, designed for ABB System 800xA DCS and AC 800M controllers. It provides 4...20 mA current signals to control field actuators such as valves, positioners, and variable speed drives, while integrated HART pass-through enables two-way digital communication with smart field instruments.
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ABB AO815 3BSE052605R1 Analog Out Module New in Stock
The ABB AO815 (3BSE052605R1) is an 8-channel analog output module from the S800 I/O system, designed for ABB System 800xA DCS and AC 800M controllers. It provides 4...20 mA current signals to control field actuators such as valves, positioners, and variable speed drives, while integrated HART pass-through enables two-way digital communication with smart field instruments.
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