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Overview
The ProSoft Technology MVI56-MBP is a specialized communication module designed to integrate Modbus TCP/IP protocol into Allen-Bradley's ControlLogix platform seamlessly. By residing directly in the ControlLogix chassis, it operates as a co-processor, offloading protocol conversion tasks from the main processor and providing high-speed, deterministic data exchange with Modbus TCP/IP clients and servers.

Key Features & Benefits:

• Native ControlLogix Integration: Plugs into any 1756 series chassis slot and appears as a standard I/O module in Rockwell Automation's Studio 5000 Logix Designer, simplifying configuration and diagnostics.

• Dual-Role Functionality: Can be configured to act as a Modbus TCP Server (Slave) to serve data to client devices (like HMIs or SCADA systems), or as a Modbus TCP Client (Master) to initiate requests and poll data from server devices (like drives, meters, or other PLCs).

• High-Performance Backplane Access: Communicates with the ControlLogix processor at backplane speeds, minimizing latency and ensuring efficient data transfer for critical applications.

• Flexible Data Handling: Supports the mapping of Modbus holding registers, input registers, coils, and discrete inputs to/from ControlLogix tags, providing maximum application flexibility.

• Simplified Configuration: Uses ProSoft's Configuration Builder Software (CBS) for easy setup of connection parameters and data mapping, streamlining the integration process.

Technical Specifications:

• Host Platform: Allen-Bradley ControlLogix (1756 Backplane)

• Network Protocol: Modbus TCP/IP (Client/Master and Server/Slave)

• Ethernet Port: One or more 10/100 Mbps RJ45 ports (dependent on hardware version).

• Power: Powered directly from the 1756 backplane.

Typical Applications:
This module is essential for integrating ControlLogix systems into multi-vendor environments using Modbus TCP as a standard protocol. Common use cases include:

• Allowing a third-party HMI or SCADA system (e.g., Ignition, Wonderware) to read from and write to a ControlLogix PLC via Modbus TCP.

• Enabling a ControlLogix processor to act as a master to poll data from a network of Modbus TCP-enabled devices such as VFDs, energy meters, or smart sensors.

• Connecting legacy systems that have been upgraded with Modbus TCP gateway interfaces to a modern ControlLogix control system.