Description

The ABB COM0003 2RAA005844A0006A, more commonly known in the industry as the CI871K, is a highly specialized communication interface module designed for the ABB 800xA extended automation system. This module acts as a critical gateway, enabling seamless and reliable data exchange between the powerful 800xA control environment and external devices operating on the PROFIBUS DP network. Its core function is to serve as a PROFIBUS DP Slave, allowing the 800xA system to act as a node on a larger PROFIBUS network managed by a higher-level master controller, such as a Siemens PLC or a third-party DCS. This capability is essential for integrating diverse equipment like motor starters, variable frequency drives, sensors, and other field instruments that use the PROFIBUS protocol into the unified ABB 800xA engineering and operator interface.

As part of the renowned S800 I/O family, the ABB COM0003 2RAA005844A0006A embodies the robustness and reliability that ABB is known for. It is typically installed in a dedicated communication node or directly in an S800 I/O station, extending the reach of the control system without compromising performance. The value of the ABB COM0003 2RAA005844A0006A lies in its ability to break down communication barriers, facilitating plant-wide integration and providing a single window for operators to monitor and control processes that span multiple vendor systems. By implementing the ABB COM0003 2RAA005844A0006A, engineers can achieve a truly unified automation architecture, reducing engineering complexity, simplifying diagnostics, and enhancing overall operational efficiency.

ABB COM0003 2RAA005844A0006A

Technical Specifications

Main Features and Advantages

The primary feature of the ABB COM0003 2RAA005844A0006A is its robust PROFIBUS DP-V1 slave functionality. This allows the entire ABB 800xA system, or a segment of it, to appear as a single, cohesive node on a PROFIBUS DP network. It supports both cyclic and acyclic data exchange, enabling not only real-time process data transfer but also parameter configuration and diagnostic reading from the master. This deep level of integration ensures that data from ABB controllers and I/O modules are seamlessly mapped to the PROFIBUS master’s process image.

Ease of configuration and diagnostics: A significant advantage of the ABB COM0003 2RAA005844A0006A is its straightforward setup. The module’s PROFIBUS address is easily configured using the intuitive rotary switches on its front panel, eliminating the need for complex software tools for this basic step. Furthermore, comprehensive status indication through a multi-LED display provides instant visual feedback on the module’s operational state, network activity, and any fault conditions, enabling rapid troubleshooting and minimizing system downtime.

High reliability and seamless 800xA integration: Built to industrial standards, the ABB COM0003 2RAA005844A0006A is designed for continuous operation in demanding environments. Its integration with the ABB 800xA system is native; it is fully configurable and manageable within the 800xA engineering environment, ensuring a consistent and efficient workflow. This tight integration guarantees that data passing through the ABB COM0003 2RAA005844A0006A is treated with the same security, historization, and alarm management as any other data point within the 800xA system, providing a unified and secure operational experience.

Application Field

The ABB COM0003 2RAA005844A0006A is deployed in hybrid automation environments where integration between an ABB 800xA DCS and third-party PROFIBUS equipment is required. In large process industries like oil and gas refineries, it is used to connect packaged units or skids supplied by different vendors, which often come with their own PROFIBUS-controlled subsystems, into the central 800xA operator station. This allows for centralized monitoring and control of the entire plant.

In the water and wastewater treatment sector, the ABB COM0003 2RAA005844A0006A facilitates the integration of specialized equipment such as sludge dewatering presses, chemical dosing systems, or filter controls that communicate via PROFIBUS into the main ABB control system. Similarly, in the mining and minerals industry, it can connect conveyor drive systems or crusher controls to the 800xA platform. Its role is crucial in manufacturing plants that have undergone expansion or modernization, where new ABB 800xA systems need to communicate with legacy machinery on a PROFIBUS network, ensuring a smooth and cost-effective technological transition without the need for a complete rip-and-replace upgrade.

ABB COM0003 2RAA005844A0006A

Related Products

ABB CI867: An Ethernet/IP communication interface module for the 800xA system, used for connecting to Allen-Bradley controls and other Ethernet/IP devices.

ABB CI868: A PROFIBUS DP Master module, which allows the 800xA system to act as the master and control PROFIBUS slave devices directly.

ABB CI856: A MODBUS TCP communication interface module.

ABB S800 I/O Modules: The various analog and digital I/O modules (e.g., AI825, DI810, DO820) that the COM0003 module can help integrate into a larger network.

ABB TU847: An S800 I/O station baseplate where the ABB COM0003 2RAA005844A0006A module can be installed.

ABB AC800M Controller: The high-level controller (e.g., PM863 or PM864) that the COM0003 module ultimately communicates with via the S800 I/O bus.