DSPU131 3BSE000355R1 AT Bus Communication Interface Module

Model: DSPU131 3BSE000355R1 

Brand: ABB

Core Function:AT Bus Communication Interface Module

Condition: New Original (New Surplus) / Factory Sealed

Origin: USA

Delivery time: 3 days

Category: SKU: DSPU131 3BSE000355R1

Description

DSPU131 3BSE000355R1

ABB DSPU131 AT Bus Communication Interface Module

Product Features

The DSPU131 3BSE000355R1 is a dedicated communication interface module developed by ABB for Advant OCS control systems. It serves as an essential data forwarding medium on the AT bus, realizing reliable information interaction between the main control unit and field peripheral boards. Optimized for process control and power automation scenarios, this unit delivers stable bus signal transmission, standardized data scheduling and comprehensive operating status monitoring. Strict industrial verification guarantees consistent coordination with other system hardware, laying a solid foundation for continuous operation of distributed control platforms.
  1. Specialized AT Bus Data Transmission

    Designed to match the AT bus architecture of ABB Advant OCS systems. It processes bus protocol parsing, signal framing and data forwarding tasks, ensuring low-latency bidirectional communication between master control hardware and slave modules, and effectively avoiding data packet loss and transmission delay.

  2. Stable Signal Transmission & Anti-interference Design

    Equipped with built-in signal filtering and electromagnetic shielding circuits, complying with industrial EMC specifications. It suppresses electromagnetic clutter, static interference and voltage burrs generated in industrial cabinets, maintaining reliable communication quality under complex electromagnetic environments.

  3. Complete Onboard Status Diagnosis

    Multiple LED indicators display power supply status, bus activity and fault alarms in real time. The module continuously monitors bus communication quality and internal circuit conditions. Once abnormal communication or hardware faults occur, visible alarms will be triggered to support rapid fault location.

  4. High System Compatibility

    Perfectly matched with Advant OCS with Master SW platform. It supports collaborative work with various peripheral interface boards, protection system hardware and signal acquisition modules, facilitating hardware expansion and system reconstruction of existing control cabinets.

  5. Robust Industrial Hardware Design

    The circuit board adopts conformal coating protection against humidity, dust and corrosive gas. Selected industrial-grade components enable long-duration continuous operation, adapting to the operating environment of power plant control rooms and chemical automation workshops.

  6. Standardized Rack-mounted Layout

    Adopts unified cabinet plug-in structure. Simple installation and disassembly without complicated auxiliary wiring. It supports direct replacement during equipment maintenance, shortening system overhaul time and reducing production downtime.

  7. Multi-layer Electrical Protection Mechanism

    Integrated overvoltage, surge and reverse polarity protection circuits. It can resist transient electrical impact on the bus loop, prevent internal chip damage caused by grid fluctuations and wiring errors, and improve overall system security.

  8. Low Power Consumption Continuous Operation

    Optimized circuit layout reduces heat generation during operation. Suitable for 24/7 unattended running mode of key industrial control systems, lowering the risk of equipment failure caused by long-term heat accumulation.

    DSPU131-3BSE000355R1

Product Parameters

Parameter Item Technical Specification
Product Model DSPU131 3BSE000355R1
Brand ABB
Product Type AT Bus Communication Interface Module
Applicable System ABB Advant OCS Distributed Control System
Core Function AT bus protocol processing, data transmission, communication status monitoring, system signal interaction
Communication Bus AT dedicated control bus
Diagnostic Mode LED status indication, real-time communication link detection
Built-in Protection Overvoltage protection, surge suppression, reverse polarity protection
Electromagnetic Standard Meet industrial EMC anti-interference requirements
Cooling Method Natural convection cooling
Working Temperature -20℃ ~ +65℃
Storage Temperature -40℃ ~ +85℃
Working Humidity 5% – 95% RH (non-condensing)
Surface Protection Conformal coating against moisture and corrosion
Installation Mode Standard control cabinet rack plug-in mounting
Operating Mode Support 24/7 long-term uninterrupted operation

Product Usage Method

  1. Pre-installation Inspection

    Check the module housing, connector terminals and circuit board for deformation, oxidation or abrasion. Confirm the model DSPU131 3BSE000355R1 matches the on-site Advant OCS system to ensure hardware compatibility.

  2. Static Protection Preparation

    Cut off the whole cabinet power supply before installation. Wear anti-static wrist strap and gloves to prevent static discharge from damaging precision communication chips on the board. Operate in dry and ventilated cabinet environment.

  3. Module Installation and Fixing

    Align the module with the designated cabinet slot, insert horizontally and lock the fastening device. Ensure tight contact between the backplane connector and the module to avoid communication interruption caused by mechanical vibration.

  4. Bus Wiring and Grounding

    Complete AT bus wiring and protective grounding strictly following official wiring diagrams. Separate communication cables from power cables to reduce signal crosstalk; ensure reliable grounding to improve anti-interference performance.

  5. System Hardware Configuration

    After wiring is completed, enter system configuration software to register the module, set bus address and communication parameters. Confirm the communication topology matches the actual cabinet hardware layout.

  6. Segment Power-on & Communication Test

    Carry out graded power-on inspection. Observe module indicator status. Verify normal data exchange between the main control unit and peripheral boards via the AT bus, and check whether communication alarms appear.

  7. Routine Operation & Maintenance

    After commissioning acceptance, the module can be formally put into service. Regularly check operating temperature, connector tightness and system communication logs. Clear surface dust periodically to guarantee long-term stable bus communication.

Product Application Fields

  1. Thermal Power Generation Industry

    Deployed in Advant OCS control cabinets of thermal power units. Responsible for internal bus communication of turbine control and generator protection systems, ensuring real-time data interaction among control hardware.

  2. Hydropower Station Automation

    Applied in unit monitoring and control systems of hydropower plants. Adapt to humid workshop environment, realizing stable communication between master control equipment and on-site signal acquisition boards.

  3. Petrochemical Process Control

    Used in distributed control systems of refineries and chemical plants. Support data transmission of production monitoring loops, guaranteeing continuous and stable operation of chemical automated production.

  4. Industrial Self-owned Power Plants & Cogeneration Units

    Suitable for power control systems of industrial enterprises with self-generation equipment, providing reliable bus communication support for unit monitoring and safety interlock.

  5. Control System Renovation & Upgrade Projects

    Ideal for hardware replacement and cabinet reconstruction of existing ABB Advant OCS platforms. Good compatibility minimizes modification workload of original wiring and control logic.