Product Overview

The ABB 3BHT300055R0001, commonly identified as the CI-10, is a high-performance communication and interface circuit board engineered specifically for the UNITROL excitation system family. This module functions as a critical bridge within a Distributed Control System (DCS), facilitating the high-speed exchange of digital and serial data between the excitation controller and field instrumentation. Designed to maintain signal integrity in electrically noisy environments, the CI-10 ensures that real-time status monitoring and control commands are executed with sub-millisecond precision. Its integration supports the sophisticated regulation required for synchronous generator sets, contributing to overall grid stability and plant safety.

Technical Architecture and Hardware Specifications

• Component Designation Communication Interface / Digital I/O Board

• Model Identifier CI-10

• Order Reference 3BHT300055R0001

• Product Series UNITROL Excitation Systems

• Communication Port RS-485 Serial Connectivity

• Networking Compatible with Ethernet Router Gateways

• Unit Mass 0.4kg

• Physical Proportions 2cm x 25.5cm x 26.1cm

• Manufacturing Origin Sweden

• System Category DCS / PLC Peripheral

• Tariff Code (HS) 8537101190

• Operational Status Active

Strategic Industrial Implementations

The 3BHT300055R0001 is primarily utilized in power generation facilities, including thermal, hydroelectric, and gas turbine plants. Within these settings, the CI-10 board manages the RS-485 bus communication, allowing the UNITROL system to interface seamlessly with remote I/O modules and human-machine interfaces (HMI). Its ruggedized Swedish construction makes it ideal for installation in control cabinets located near high-voltage equipment, where it must withstand electromagnetic interference (EMI) and thermal fluctuations. By providing reliable digital I/O processing, the CI-10 allows operators to implement complex automation sequences and diagnostic routines, ensuring that the excitation system remains responsive to dynamic load demands and grid conditions.

FAQ

Q: Is the CI-10 3BHT300055R0001 a direct replacement for older CI series boards?

A: The CI-10 is a specific hardware revision within the UNITROL ecosystem. While it follows standard form factors, you should verify that your current backplane and software version support the 3BHT300055R0001 reference to ensure full protocol transparency.

Q: What are the primary benefits of the RS-485 interface on this board?

A: The RS-485 capability allows for robust, multi-drop serial communication over long distances within the plant, providing the high noise immunity necessary for reliable data transfer in power generation environments.

Q: Does the board require active cooling within the DCS cabinet?

A: The CI-10 is designed for energy-efficient operation and typically utilizes passive convection cooling. Its slim 2cm profile facilitates efficient airflow when mounted vertically in a standard UNITROL sub-rack.

Q: Can this module handle digital input and output signals simultaneously?

A: Yes, the CI-10 functions as a digital I/O interface, processing discrete signals from field devices while concurrently handling serial communication tasks for the central controller.

Q: What is the typical lead time for this Swedish-made component?

A: This product is currently in stock and ready for immediate dispatch. However, for large-scale facility upgrades involving multiple units, we recommend contacting our procurement team for a precise delivery schedule.