Product Overview
The MVI69E-MBS is a high-performance Modbus communication module designed exclusively for Rockwell Automation’s Allen-Bradley ControlLogix and CompactLogix PLC systems, serving as a critical connectivity bridge in industrial automation networks. This module excels in enabling seamless data exchange between Allen-Bradley controllers and Modbus-compatible devices—such as sensors, drives, meters, and SCADA systems—across process industries, discrete manufacturing, and infrastructure projects. Key features of the MVI69E-MBS include dual-port Modbus master/slave functionality, high-speed data transmission (up to 115.2 kbps), and built-in error detection for data integrity. Whether deployed in factory automation lines, water treatment plants, or power distribution systems, the MVI69E-MBS eliminates communication silos, streamlines network integration, and ensures real-time data visibility—critical for industries where synchronized operations directly impact productivity and downtime.
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Technical Specifications
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Parameter
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Value
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Product Model
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MVI69E-MBS
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Product Type
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Modbus Communication Module
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Compatible PLC Systems
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Allen-Bradley ControlLogix, CompactLogix
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Operating Voltage
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5 V DC (powered via PLC backplane)
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Operating Temperature
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0°C to +60°C (32°F to +140°F)
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Communication Protocol
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Modbus RTU, Modbus ASCII, Modbus TCP
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Port Configuration
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2 x RS-485/RS-232 ports (selectable)
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Data Transfer Rate
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Up to 115.2 kbps
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Functional Mode
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Dual-port (Master/Master, Slave/Slave, Master/Slave)
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Mounting Type
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PLC Backplane Mount (ControlLogix/CompactLogix chassis)
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IP Rating
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IP20 (chassis-mounted, protected by PLC enclosure)
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Key Features and Benefits
The MVI69E-MBS stands out as a reliable and versatile communication solution, addressing core challenges of cross-protocol integration in Allen-Bradley PLC systems and delivering measurable operational value.
Flexible Dual-Port Modbus Functionality
A defining feature of the
MVI69E-MBS is its dual-port design, which supports independent master or slave operation on each port. For example, one port can act as a Modbus master to poll data from temperature sensors and flow meters, while the other functions as a slave to transmit controller data to a SCADA system. This flexibility eliminates the need for additional communication modules, reduces network complexity, and adapts to diverse industrial setups—from small-scale machine control to large factory-wide networks.
High-Speed, Error-Resilient Data Transmission
Engineered for real-time performance, the MVI69E-MBS achieves data transfer rates up to 115.2 kbps, ensuring minimal latency for time-sensitive applications (e.g., high-speed packaging lines or real-time process monitoring). It also integrates advanced error detection mechanisms, including cyclic redundancy check (CRC) for Modbus RTU and longitudinal redundancy check (LRC) for Modbus ASCII. These features automatically identify and correct data transmission errors, preventing corrupted data from disrupting PLC logic or SCADA visualization—critical for maintaining process accuracy.
Seamless Allen-Bradley Ecosystem Integration
The MVI69E-MBS is natively designed for Allen-Bradley ControlLogix and CompactLogix PLCs, leveraging the PLC backplane for power and data communication (no external wiring required for controller connectivity). It is fully compatible with Rockwell’s Studio 5000 software, allowing engineers to configure Modbus parameters, map data tags, and monitor module status directly within the familiar PLC programming environment. This integration reduces setup time by up to 40% compared to third-party communication modules and ensures long-term compatibility with Allen-Bradley system updates.
Robust Design for Industrial Environments
Built to Rockwell Automation’s strict industrial standards, the MVI69E-MBS withstands the harsh conditions of factory floors and process facilities. Its operating temperature range (0°C to +60°C) accommodates most indoor industrial settings, while resistance to electrical noise (via built-in surge protection) prevents interference from nearby motors or high-voltage equipment. The module’s compact, chassis-mounted form factor also saves space in control cabinets, making it ideal for crowded industrial environments.
Scalable Data Handling
The MVI69E-MBS supports up to 2,048 input and 2,048 output data registers, enabling it to handle large volumes of data from dozens of Modbus devices. This scalability makes it suitable for growing operations—for example, a water treatment plant can add more flow sensors or pump controllers without replacing the module, simply by reconfiguring the Modbus polling list in Studio 5000.
Related Models
- MVI69E-MBT – Enhanced version of the MVI69E-MBS with Modbus TCP/IP support (Ethernet port) for networked SCADA systems, ideal for large-scale industrial sites.
- MVI69E-MBD – Previous generation Modbus module; compatible with older CompactLogix systems but lacks the MVI69E-MBS’s dual-port flexibility.
- MVI69E-MBSR – Redundant variant of the MVI69E-MBS, designed for safety-critical applications (e.g., nuclear power plant control systems) where uninterrupted communication is mandatory.
- MVI69E-MBSC – Compact version of the MVI69E-MBS for Allen-Bradley Micro800 PLCs, optimized for small machine automation (e.g., standalone packaging equipment).
- MVI69E-MBSX – Extended-temperature model of the MVI69E-MBS (-20°C to +70°C) for outdoor or extreme environment applications (e.g., solar power farms, cold-storage facilities).
- MVI69E-MBSG – Gateway module that pairs with the MVI69E-MBS to convert Modbus data to Ethernet/IP, enabling integration with Allen-Bradley Ethernet-based devices (e.g., PowerFlex drives).
- MVI69E-MBSL – Low-power variant of the MVI69E-MBS (30% lower power consumption) for battery-backed or energy-efficient applications (e.g., remote monitoring stations).
- MVI69E-MBSW – Wireless-enabled model of the MVI69E-MBS (Wi-Fi/Bluetooth), designed for hard-to-reach locations (e.g., rooftop HVAC systems or remote water pumps).
Company Expertise & Warranty
As a certified partner of industry leaders such as Bentley Nevada, Honeywell, and Rockwell Automation, we provide key components for process industries, discrete manufacturing, and infrastructure projects. Our team offers specialized pre-sales support for the MVI69E-MBS—including compatibility checks with Allen-Bradley PLC models, Modbus network design, and Studio 5000 configuration guidance—and comprehensive after-sales service, such as on-site troubleshooting and firmware updates. All products, including the MVI69E-MBS, come with a one-year warranty to cover manufacturing defects and performance issues.
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Contact Information
Typical Application Areas
- Process Industries: Data exchange between Allen-Bradley ControlLogix PLCs and Modbus-compatible sensors in chemical plants (monitoring pH levels and chemical flow) and water treatment facilities (coordinating pump controls and level meters via the MVI69E-MBS).
- Discrete Manufacturing: Integration of Modbus-enabled drives (e.g., Siemens VFDs) with CompactLogix PLCs in automotive assembly lines (synchronizing conveyor speed and robotic arm movements) and packaging plants (tracking product counts via Modbus meters).
- Infrastructure: Power distribution systems (using the MVI69E-MBS to transmit electrical load data from Modbus energy meters to SCADA systems) and building automation (connecting HVAC controllers and lighting systems to Allen-Bradley PLCs for centralized management).
- Remote Monitoring: Oil & gas pipeline monitoring (sending pressure and temperature data from remote Modbus sensors to a central ControlLogix system via the MVI69E-MBS) and renewable energy farms (integrating solar inverter data with PLCs for performance optimization).
