PROSOFT Prosoft FMVI94
Core Overview
The PROSOFT MVI94 MCM is a high‑performance Modbus master/slave network interface module designed specifically for Rockwell Automation Flex I/O systems, such as the 1794 Flex series processors. It serves as a communication bridge between the Flex processor and external Modbus networks, including TCP/IP, RTU, and ASCII. The module enables seamless integration with Allen‑Bradley ControlLogix and CompactLogix controllers.
Key Specifications
• Communication Protocols: Supports Modbus TCP/IP, Modbus RTU, and Modbus ASCII. Some variants (such as MHI models) may also support EtherNet/IP, PROFINET, or DeviceNet.
• Operating Voltage: 12–24 VDC (compatible with Flex I/O power requirements).
• Operating Temperature: 0°C to 55°C (operating); -40°C to 85°C (storage).
• Form Factor: 1U single‑slot 1794 backplane compatible; DIN rail or panel mounting.
• Dimensions: Approximately 90mm x 70mm x 60mm (varies slightly by model).
• Functional Modes: Dual master/slave operation. Can actively poll Modbus devices as a master or respond to external requests as a slave.
Product Features
• High Integration and Modularity: Designed for Flex I/O systems, requiring no additional backplane and occupying minimal space (single‑slot 1794 module).
• Protocol Bridging: Converts Rockwell backplane communication (EtherNet/IP) to Modbus, solving compatibility issues in heterogeneous systems.
• Flexible Configuration: Allows user‑defined memory mapping and Modbus addressing, making it easy to adapt to complex network topologies and large numbers of I/O points.
• High Reliability: Industrial‑grade design with strong shock and interference resistance, suitable for harsh environments.
Structure and Components
• Flex I/O Backplane Card: Plugs directly into any available slot of the Flex I/O processor.
• Communication Ports: Typically includes an RJ45 Ethernet port (for Modbus TCP/IP) or a serial port (for Modbus RTU/ASCII).
• Power Management: Draws power from the Flex I/O backplane and may support external power input.
• LED Indicators: Show power and communication status for easy on‑site troubleshooting.
Application Areas
• Cross‑Brand Integration: Connects Allen‑Bradley PLCs with Modbus devices from Mitsubishi, Schneider, ABB, and other manufacturers.
• Data Acquisition and Monitoring: Integrates field sensors and instruments (with Modbus interfaces) into Rockwell control systems for centralized data management.
• Process Control: Suitable for process control networks in industries such as oil and gas, power generation, pulp and paper, and food processing.
Installation and Maintenance
• Installation: Ensure power is turned off, then insert the MVI94 MCM into any available slot of the Flex I/O processor (single‑slot 1794 module).
• Configuration: Set parameters such as IP address, baud rate, and master/slave mode using Rockwell Studio 5000 or ProSoft Configuration software.
• Maintenance: The module has no moving parts. Regular checks include verifying connection tightness and cleanliness, and monitoring LED indicators to assess communication health.

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Strengths
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Extensive InventoryWe offer a wide range of industrial automation components, including PLCs, DCS systems, HMIs, and power supplies, ensuring a diverse product selection for various industries.
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Global ReachWith an international customer base, we provide reliable cross‑continental shipping and services to clients worldwide.
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Competitive PricingBy sourcing high‑quality products at competitive prices, we deliver cost‑effective solutions that help businesses reduce operational expenses.
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Hard‑to‑Find PartsWe specialize in sourcing obsolete or discontinued components, making us a preferred supplier for rare industrial parts.
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Fast DeliveryWe ensure quick shipping options to minimize downtime for businesses needing urgent replacements or upgrades.
Q: What is your expertise?
A: We specialize in providing industrial automation components, including spare parts for PLCs, DCS systems, HMIs, power supplies, and other industrial equipment.
Q: Can you source obsolete or hard‑to‑find parts?
A: Yes, Xingruijia is known for sourcing discontinued or rare components that are difficult to find elsewhere.
Q: Do you offer international shipping?
A: Yes, we provide global shipping services to ensure customers around the world can access our products.
Q: How do you ensure product quality?
A: We perform strict quality assurance checks on all products to ensure they meet industry standards and operate reliably in demanding environments.
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