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Product Overview
The ABB CI873AK01 (CI873A) 3BSE092695R1 is a high-performance PROFIBUS DP-V1 communication interface module specifically developed for use within ABB’s AC 800M control system. As part of the S800 I/O family, it enables seamless, efficient communication between the controller and external devices over a PROFIBUS network, supporting both cyclic and acyclic data exchange. This module plays a vital role in achieving reliable fieldbus connectivity in large, complex automation systems.
The CI873AK01 supports DP-V1 protocol, allowing it to communicate with intelligent field devices, such as sensors, actuators, drives, and remote I/O systems. It supports master functionality and is capable of managing up to 124 PROFIBUS slaves. The module offers advanced diagnostic capabilities, redundant communication support, and compliance with harsh industrial environment requirements, making it a preferred solution for critical process applications.
Technical Specifications
| Parameter | Value |
|---|---|
| Model | CI873AK01 (CI873A) |
| System Compatibility | AC 800M / S800 I/O |
| Communication Protocol | PROFIBUS DP-V1 |
| PROFIBUS Specification | IEC 61158/IEC 61784 |
| Baud Rate | 9.6 kbps to 12 Mbps (auto-detect) |
| Supported Slaves | Up to 124 |
| Connector Type | 9-pin D-sub female (RS485 standard) |
| Redundancy Support | Yes (Controller and communication redundancy) |
| Configuration Tool | Control Builder M |
| Address Assignment | DIP switch or via configuration |
| Diagnostic Features | Extended DP-V1 diagnostics, LED indicators |
| Power Supply | Supplied via I/O backplane |
| Mounting Type | DIN rail |
| Operating Temperature | 0°C to +55°C |
| Storage Temperature | -40°C to +70°C |
| Relative Humidity | 5% to 95% (non-condensing) |
| Dimensions | 59 × 186 × 127.5 mm |
| Weight | 0.7 kg |
| Housing Material | Industrial-grade polycarbonate |
| Certifications | CE, UL, RoHS, DNV/GL Marine |
Applications
The ABB CI873AK01 interface module is deployed across various industrial sectors for connecting AC 800M controllers with PROFIBUS field devices, including:
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Power Generation – Integration of protection relays, motor drives, and switchgear in turbine and substation control systems.
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Oil & Gas – Monitoring and control of compressors, flow meters, and pressure transmitters in upstream and downstream operations.
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Chemical & Pharmaceutical – Real-time data acquisition and command delivery to batch reactors, pumps, and dosing systems.
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Pulp & Paper – Supervisory control of process machines like refiners, washers, and dryers.
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Water & Wastewater – Distributed I/O integration for pump stations, filter beds, and chemical dosing plants.
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Mining & Metals – Control of conveyor belts, crushers, and smelters via distributed PROFIBUS devices.
Key Advantages
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DP-V1 Functionality: Supports both cyclic (real-time control) and acyclic (diagnostics/configuration) PROFIBUS communication.
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High Device Capacity: Manages communication with up to 124 slave devices on a single bus.
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Integrated Diagnostics: Provides comprehensive diagnostics through onboard LEDs and DP-V1 features, enhancing troubleshooting speed.
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Flexible Integration: Configurable through ABB’s Control Builder M, simplifying network setup and maintenance.
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Redundant Ready: Compatible with redundant AC 800M controllers for high-availability applications.
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Broad Compatibility: Connects with a wide range of PROFIBUS DP devices from ABB and third-party manufacturers.
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Compact Design: Small footprint allows for space-efficient control panel layouts.
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Industry-Proven: Designed to withstand industrial-grade EMI, temperature variation, and environmental stress.
Frequently Asked Questions (FAQ)
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What is the main purpose of the CI873AK01 module?
It enables PROFIBUS DP-V1 communication between the AC 800M controller and field devices. -
How many devices can be connected to one CI873 module?
The module supports up to 124 PROFIBUS slave devices. -
Does this module support redundant communication?
Yes, it supports both controller redundancy and PROFIBUS network redundancy. -
What types of devices can be connected via PROFIBUS?
Devices like intelligent sensors, actuators, drives, HMIs, and remote I/O modules. -
Can it be used in marine environments?
Yes, it has DNV/GL certification for use in marine and offshore installations. -
Is the module hot-swappable?
Yes, it can be replaced while the system is powered on, minimizing downtime. -
How is the module configured?
Using ABB’s Control Builder M configuration software. -
What physical interface does the module use?
A standard 9-pin D-sub connector for PROFIBUS DP (RS485). -
Does the module include diagnostic LEDs?
Yes, for power, communication status, and fault indicators. -
What baud rates are supported?
All standard PROFIBUS rates from 9.6 kbps to 12 Mbps, with auto-detection.
Recommended Related or Series Models
| Model | Description |
|---|---|
| CI854AK01 | PROFIBUS DP interface for AC 800M (non-DP-V1) |
| CI870K01 | FOUNDATION Fieldbus interface for AC 800M |
| CI871AK01 | PROFINET IO interface module for Ethernet-based systems |
| CI862 | Communication interface for redundant systems |
| CI820V1 | CEX-bus interface for S800 I/O module expansion |
| BC810K02 | Basic CEX bus interconnection unit |
Popular ABB Models
| Model | Description |
|---|---|
| CI851K01 | PROFINET interface module for AC 800M systems |
| CI852K01 | MasterBus 300 interface for connecting I/O units |
| CI853 | S100 I/O interface module for AC 800M |
| CI860K01 | Redundant communication module for S800 I/O |
| CI861 | Communication interface for third-party integration |
| CI862K01 | Control network interface supporting IEC protocols |
