Description
PROSOFT MVI46-MNET — Modbus Communication Module for PLC System Expansion
PROSOFT MVI46-MNET is a high-performance Modbus communication module developed by ProSoft Technology, a trusted leader in industrial automation connectivity solutions. Specifically engineered for PLC system expansion, the PROSOFT MVI46-MNET enables seamless integration of Modbus networks with Allen-Bradley ControlLogix PLCs, delivering reliable data exchange between Modbus RTU/TCP devices and PLC controllers. With its robust design, flexible configuration, and deep PLC compatibility, the PROSOFT MVI46-MNET has become a go-to solution for industries requiring extended Modbus connectivity, ensuring smooth collaboration between legacy devices, sensors, and modern PLC control systems.
Product Description
PROSOFT MVI46-MNET is a plug-in communication module designed exclusively for Allen-Bradley ControlLogix PLC chassis, providing native Modbus RTU and Modbus TCP communication capabilities. The product PROSOFT MVI46-MNET acts as an interface between ControlLogix PLCs and Modbus-enabled devices (such as meters, sensors, actuators, and HMIs), supporting bidirectional data transfer for real-time monitoring and control. Equipped with 2 x RS485 ports (for Modbus RTU) and 1 x Ethernet port (for Modbus TCP), the PROSOFT MVI46-MNET can simultaneously communicate with up to 32 Modbus RTU slaves and unlimited Modbus TCP clients/server, making it ideal for large-scale PLC systems with multiple Modbus devices. The module is configured via ProSoft Configuration Builder software, which offers intuitive tools for register mapping, communication scheduling, and diagnostics, allowing seamless integration with PLC logic without complex programming. As a chassis-mounted module, the PROSOFT MVI46-MNET integrates directly into ControlLogix racks, saving space and ensuring reliable signal transmission through the PLC backplane. Its industrial-grade components and wide operating temperature range make the PROSOFT MVI46-MNET suitable for harsh industrial environments, including manufacturing plants, energy facilities, and process control systems.
Technical Specifications
- Brand: ProSoft Technology
- Model: PROSOFT MVI46-MNET
- Device Type: Modbus Communication Module (for Allen-Bradley ControlLogix PLC)
- Supported Protocols: Modbus RTU (RS485), Modbus TCP/IP (Client/Server)
- Communication Ports: 2 x RS485 (half-duplex, 9600-115200 bps), 1 x 10/100 Mbps Ethernet (RJ45)
- Maximum Nodes: 32 Modbus RTU slaves, Unlimited Modbus TCP clients (based on bandwidth)
- PLC Compatibility: Allen-Bradley ControlLogix L6x/L7x PLC chassis (1756 chassis)
- Data Memory: 8 KB shared memory for PLC-Modbus data exchange
- Operating Voltage: Powered via ControlLogix chassis backplane (5 VDC)
- Power Consumption: Maximum 3.5 W
- Operating Temperature: 0 °C to +60 °C
- Storage Temperature: -40 °C to +85 °C
- Relative Humidity: 5% to 95% (non-condensing)
- Protection Rating: IP20 (chassis-mounted)
- Dimensions (W x H x D): 130 mm x 80 mm x 160 mm (ControlLogix chassis compatible)
- Certifications: CE, UL, CSA, FCC Class A
Advantages and Features
- Native PLC Integration: The PROSOFT MVI46-MNET plugs directly into Allen-Bradley ControlLogix chassis, leveraging the PLC backplane for stable data transmission and eliminating the need for external wiring between the module and PLC.
- Dual Modbus Protocol Support: Simultaneously handles Modbus RTU (via RS485) and Modbus TCP (via Ethernet), providing flexible connectivity for both wired and networked Modbus devices in PLC systems.
- High Scalability: Supports up to 32 Modbus RTU slaves and unlimited Modbus TCP clients/server, enabling expansion of PLC systems with additional Modbus devices without compromising performance.
- Easy Configuration: ProSoft Configuration Builder software offers user-friendly tools for register mapping, communication setup, and real-time diagnostics, reducing PLC integration time and complexity.
- Robust Reliability: Built with industrial-grade components, the PROSOFT MVI46-MNET withstands harsh operating conditions (temperature fluctuations, electromagnetic interference) to ensure uninterrupted communication for critical PLC applications.
- Seamless Data Exchange: Shared memory interface with ControlLogix PLCs allows direct access to Modbus data via PLC logic, enabling real-time monitoring and control of Modbus devices from the PLC controller.
Application Fields and Use Cases
- Manufacturing Automation: In an automotive production line, the PROSOFT MVI46-MNET integrates Modbus-based temperature sensors and pressure gauges with Allen-Bradley ControlLogix PLCs, enabling real-time monitoring of assembly line conditions and automated adjustments to ensure product quality.
- Energy Management: In a power plant, the module connects Modbus TCP-enabled energy meters and Modbus RTU circuit breakers to ControlLogix PLCs, facilitating data collection for energy consumption analysis and load balancing.
- Process Control: In a chemical processing facility, the PROSOFT MVI46-MNET links Modbus RTU actuators and valves to PLC systems, allowing precise control of process parameters (flow rate, pressure, pH level) and ensuring compliance with safety standards.
- Water/Wastewater Treatment: The module integrates Modbus-enabled level sensors and pump controllers with ControlLogix PLCs, enabling automated control of water treatment processes (filtration, disinfection) and remote monitoring of system status.
- Food and Beverage Production: In a bottling plant, the PROSOFT MVI46-MNET connects Modbus TCP HMIs and Modbus RTU conveyor speed sensors to PLCs, supporting real-time production monitoring and adjustment of line speed to optimize efficiency.
Comparison with Competitors
| Parameter | PROSOFT MVI46-MNET | Competitor Product (e.g., Allen-Bradley 1756-MODULE) | ProSoft Advantage |
|---|---|---|---|
| PLC Compatibility | Exclusive to Allen-Bradley ControlLogix (native chassis integration) | Limited to specific PLC models (external wiring required) | Direct chassis mounting for stable backplane communication |
| Modbus Protocol Support | Modbus RTU (2 x RS485) + Modbus TCP (1 x Ethernet) | Only Modbus RTU or Modbus TCP (single protocol) | Dual protocol support for mixed Modbus networks |
| Maximum Slaves/Clients | 32 Modbus RTU slaves, unlimited Modbus TCP clients | Up to 16 Modbus RTU slaves, limited TCP clients | Higher scalability for large-scale PLC systems |
| Configuration Tools | ProSoft Configuration Builder (intuitive register mapping, diagnostics) | Basic software (limited customization) | More flexible and user-friendly configuration for complex PLC integration |
| Power Consumption | 3.5 W (powered via PLC chassis) | 5 W (external power required) | Lower power consumption and no need for external power supply |
Selection Recommendations and Precautions
- Selection Recommendations: Choose the PROSOFT MVI46-MNET if you are using Allen-Bradley ControlLogix PLCs and require dual Modbus RTU/TCP connectivity. Verify compatibility with your PLC chassis model (1756 series) and ensure the module’s maximum node count meets your system’s Modbus device requirements.
- Installation Precautions: Install the PROSOFT MVI46-MNET in a clean, dry ControlLogix chassis to prevent dust or moisture damage. Ensure proper alignment with the chassis backplane to avoid communication issues between the module and PLC.
- Configuration Tips: Use ProSoft Configuration Builder to test Modbus communication before deploying to production, verifying register mapping accuracy and communication speed. Back up configuration files regularly to facilitate quick recovery in case of module failure.
- Maintenance: Periodically check for firmware updates on ProSoft’s official website to enhance module performance and security. Monitor communication status via PLC diagnostics or ProSoft software to identify and resolve issues (e.g., disconnected devices, signal interference) promptly.
- Environmental Considerations: Avoid operating the module in extreme temperature or humidity conditions beyond specified limits. Use shielded RS485/Ethernet cables to minimize electromagnetic interference in industrial PLC environments.
PROSOFT MVI46-MNET is a reliable and high-performance Modbus communication module that simplifies Modbus integration with Allen-Bradley ControlLogix PLCs. Its native chassis integration, dual protocol support, and robust design make it an essential component for expanding PLC system connectivity, ensuring seamless data exchange between Modbus devices and modern control systems in industrial automation applications.
MVI46-MNET
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