ABB UFC921A101 3BHE024855R0101

Description

Product Description

The ABB UFC921A101 3BHE024855R0101 is a high-performance fieldbus communication module for ABB’s System 800xA and AC 800M controller platform. This module serves as a dedicated PROFIBUS DP-V1 master interface, enabling the AC 800M controller to act as the central master on a PROFIBUS network. The ABB UFC921A101 3BHE024855R0101 manages communication with a wide array of slave devices, including remote I/O stations, variable frequency drives (VFDs), motor starters, and intelligent field instruments. Its design ensures reliable, deterministic, and high-speed data exchange, which is critical for real-time control and monitoring in industrial automation. The module integrates seamlessly into the AC 800M rack, providing a robust and certified communication path to one of the world’s most widely deployed industrial fieldbus networks. Integrating the ABB UFC921A101 3BHE024855R0101 (https://www.example-link-abb-product.com) is a strategic step for connecting AC 800M-based systems to extensive existing PROFIBUS infrastructures. The specific hardware and firmware combination defined by the full part number ensures optimal performance and compatibility.

Product Parameters / Technical Specifications

• Manufacturer: ABB
• Product Family: System 800xA, AC 800M Controller Communication Modules
• Module Type: PROFIBUS DP-V1 Master Communication Interface
• Hardware Code / Version: UFC921A101
• Order Code / Article Number: 3BHE024855R0101
• Communication Protocol: PROFIBUS DP (Decentralized Periphery) conforming to EN 50170, supporting cyclic and acyclic (V1) data exchange.
• Role: Operates as a Class 1 Master.
• Data Transfer Rates: Configurable from 9.6 kbps up to 12 Mbps, with auto-baud detection capability.
• Physical Interface: 9-pin D-Sub female connector (RS-485) for the PROFIBUS network segment.
• Number of Slaves Supported: Capable of managing a configurable number of slaves, limited by the controller’s memory and configuration.
• Diagnostics: Comprehensive diagnostic capabilities for the module itself and the connected PROFIBUS network, including slave status, cable break detection, and parameterization errors.
• Configuration: Configured using ABB’s Control Builder M engineering software within System 800xA. Requires GSD (Generic Station Description) files for each type of slave device.
• Power Supply: Powered from the AC 800M controller backplane.

Advantages and Key Features

• Seamless PROFIBUS Integration: The ABB UFC921A101 3BHE024855R0101 provides native, high-performance PROFIBUS DP master capability for the AC 800M, a critical requirement for integrating with vast installed bases of PROFIBUS devices.
• High Performance & Determinism: Supports the full range of PROFIBUS speeds, ensuring fast and predictable data exchange necessary for real-time control applications.
• Robust Diagnostics and Troubleshooting: Offers extensive diagnostic tools that simplify network setup, maintenance, and fault finding, reducing system downtime.
• Engineering Efficiency: Fully integrated into the Control Builder M engineering environment, allowing for centralized configuration of the entire system, including the PROFIBUS network and all its slaves.
• Industrial Reliability: Designed for continuous operation in demanding industrial environments, ensuring long-term communication stability.

Application Cases in Various Fields

• Automotive Manufacturing: Connecting an AC 800M controller to PROFIBUS remote I/O and drives across a paint shop or assembly line.
• Chemical Processing: Integrating a reactor control system with distributed I/O, analytical instruments, and pump drives via PROFIBUS.
• Water & Wastewater Treatment: Enabling communication between a central SCADA controller and remote PLCs or smart instrumentation at pump stations.
• Pharmaceutical Production: Linking process skid controllers with motor control centers (MCCs) and batch management systems.
• Material Handling: Controlling a network of conveyors, sorters, and palletizers via PROFIBUS-connected motor starters and sensors.

Comparison with Competing Products

The ABB UFC921A101 3BHE024855R0101 competes with PROFIBUS master modules from other DCS/PLC manufacturers, such as the Siemens CP 342-5 (for S7-300/400) or the Emerson DeltaV PROFIBUS DP Interface. Its primary advantage is its optimized, trouble-free integration within the ABB System 800xA and AC 800M ecosystem. Compared to using a third-party protocol gateway, the UFC921A101 offers superior performance, direct engineering tool support, and unified diagnostics. It is the manufacturer-recommended solution for adding robust PROFIBUS DP master functionality to an AC 800M controller.

Selection Suggestions and Precautions

• Selection Advice: Select the ABB UFC921A101 3BHE024855R0101 when you need to connect an AC 800M controller as a master to a PROFIBUS DP network. It is essential for new projects or expansions within plants that utilize PROFIBUS as a primary fieldbus. Verify that the required number of slaves and data throughput are within the module’s capabilities.
• Precautions:
  1. Network Design: Proper PROFIBUS network design is crucial. This includes correct cable type, termination (active terminators at both ends), and adherence to maximum segment lengths for the chosen baud rate.
  2. GSD File Management: Ensure you have the correct and latest GSD file for every slave device on the network. Missing or incorrect GSD files will prevent proper configuration and commissioning.
  3. Address Configuration: Every slave device on the PROFIBUS network must have a unique station address (1-126). Duplicate addresses will cause communication failure.
  4. Grounding and Shielding: Follow strict guidelines for grounding the shield of the PROFIBUS cable at the controller end only to prevent ground loops, which are a common source of communication errors.
  5. Firmware Compatibility: Ensure the firmware version of the UFC921A101 module is compatible with your version of Control Builder M and the AC 800M controller’s firmware.

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