Description
Detailed Parameter Table
| Parameter Name | Parameter Value |
| Product Model | ABB MB810 |
| Manufacturer | ABB |
| Product Category | Communication Interface Module |
| Compatibility | AC 800M Controller Family |
| Communication Ports | 2x RS-485 (electrically isolated) |
| Protocol Support | Modbus RTU, Modbus ASCII |
| Data Rate | Up to 115.2 kbps |
| Isolation Voltage | 1500V AC |
| Power Supply | 5V DC (backplane powered) |
| Operating Temp | -25°C to +70°C |
| Dimensions | 60 × 120 × 25 mm |
| Weight | 200g |
| Certifications | CE, UL, cUL |
ABB MB810
Product Introduction
The ABB MB810 is a rugged industrial communication module designed for seamless integration with ABB’s AC 800M process controllers. As part of ABB’s automation ecosystem, this module provides reliable Modbus RTU/ASCII connectivity for interfacing with field devices in harsh industrial environments.
Engineered for mission-critical applications, the MB810 features dual electrically isolated RS-485 ports that enable simultaneous communication with multiple slave devices. Its compact design and hot-swappable capability (when properly configured) ensure minimal downtime during maintenance or system upgrades. The module serves as a crucial link between high-level control systems and field instrumentation in industries ranging from oil & gas to water treatment.
The ABB MB810 stands out with its robust construction and advanced diagnostics, offering plant operators a dependable solution for legacy device integration while maintaining compatibility with modern automation architectures. Its plug-and-play installation simplifies engineering efforts, reducing commissioning time for complex control systems.
Core Advantages and Technical Highlights
Reliable industrial communication:
The ABB MB810 delivers exceptional noise immunity with 1500V isolation between ports and controller, ensuring stable data transmission in electrically noisy environments. Each port supports configurable baud rates from 1200 to 115200 bps, accommodating various field device requirements.
Enhanced system integration:
With dual independent RS-485 channels, the module enables simultaneous communication with different device networks. The MB810 supports both Modbus master and slave modes, providing flexibility in system architecture design. Its hardware flow control (RTS/CTS) prevents data loss during high-traffic periods.
Durability and maintenance:
Constructed with industrial-grade components, the ABB MB810 operates reliably across a wide temperature range (-25°C to +70°C). LED status indicators provide instant visual feedback for each communication port, simplifying troubleshooting. The module’s hot-swappable design (when properly implemented) allows for replacement without system shutdown.
Advanced diagnostics:
Built-in error detection mechanisms monitor communication quality, while the module’s configuration is stored persistently in flash memory. The MB810 integrates seamlessly with ABB’s Automation Builder engineering environment, offering comprehensive diagnostic tools for network analysis and optimization.
ABB MB810
Typical Application Scenarios
Process industries:
In oil refineries, the ABB MB810 connects AC 800M controllers to legacy flow meters and pressure transmitters, enabling modernization without replacing field devices. Chemical plants utilize its isolation capabilities to maintain signal integrity in areas with high electromagnetic interference.
Power generation:
The module serves as a communication gateway between turbine control systems and auxiliary equipment. Power plants leverage the MB810 to integrate protective relays and energy meters into their DCS networks, ensuring comprehensive monitoring.
Water infrastructure:
Municipal water treatment facilities employ the ABB MB810 to interface with pump station controls and water quality analyzers. Its robust design withstands humid environments while maintaining reliable Modbus communication.
Manufacturing:
Automotive production lines use the module to connect robotic cells with legacy equipment. The MB810‘s deterministic communication ensures synchronized operation across diverse automation components.
Related Model Recommendations
ABB MB820: Enhanced version with PROFIBUS DP support
ABB CI867: Ethernet/IP communication module
ABB CI871: PROFIBUS DP interface module
ABB S800 I/O: Remote I/O system for field connectivity
ABB COM620: Cybersecurity gateway for network protection
ABB UAD148AE01: Base controller unit for system integration
ABB TP854: HMI panel for local monitoring and control
Installation, Commissioning and Maintenance
Installation preparation:
Before installing the ABB MB810, ensure the controller rack is powered off and properly grounded. Verify the operating environment meets specified temperature and humidity ranges. Prepare shielded twisted-pair cables for RS-485 connections, and ensure proper termination resistors are available for network endpoints.
Maintenance suggestions:
Regularly inspect the MB810 for dust accumulation and clean using compressed air if necessary. Monitor LED indicators for abnormal status patterns. Perform annual communication tests to verify signal integrity. When replacing the module, ensure configuration backups are available and follow proper electrostatic discharge (ESD) precautions.
Service and Guarantee Commitment
ABB stands behind the MB810 with a comprehensive 36-month warranty covering manufacturing defects. Our global support network provides 24/7 technical assistance, with on-site service available for critical applications. Customers benefit from firmware updates throughout the product lifecycle and access to ABB’s extensive knowledge base. The ABB MB810 is backed by our commitment to long-term spare parts availability, ensuring system longevity for industrial automation investments.
