MVI56-MNETC PROSOFT

MVI56-MNETC PROSOFT Multi-Function Processor Module

Product  Description：

The ProSoft MVI56-MNETC is a Modbus TCP/IP Client/Server Communication Module designed for the Rockwell Automation ControlLogix platform. This module allows the ControlLogix processor to seamlessly communicate with other devices using the ubiquitous Modbus TCP/IP protocol over an Ethernet network. It acts as both a Client (Master) to poll data from Modbus devices and a Server (Slave) to exchange data with supervisory systems or HMIs.

Product Specifications

• Platform Compatibility: Single-slot, 1756 ControlLogix backplane compatible.

• Protocol: Modbus TCP/IP on an Ethernet network.

• Communication Port: Features one RJ45 10/100 Mbps Ethernet port for network connection.

• Client Functionality: Allows the ControlLogix processor to communicate with up to 30 Modbus TCP/IP Server devices. It supports the execution of 10,000 commands for reading and writing Modbus data.

• Server Functionality: Allows up to 10 Modbus TCP/IP Client devices (like HMIs or SCADA systems) to access ControlLogix data.

• Data Handling: Uses a dedicated memory image to exchange data with the ControlLogix processor via the backplane, offloading the processor from network communication tasks.

• Isolation: Provides 500V optical isolation from the backplane.

• Backplane Current Load: Typically $800 \text{ mA}$ at $5 \text{ VDC}$ and $3 \text{ mA}$ at $24 \text{ VDC}$.

• Diagnostics: Includes LEDs for Module Status (OK), Application Status (APP), and Ethernet Link/Activity. (Note: The MVI56E-MNETC, the enhanced version, offers a scrolling alphanumeric display for detailed diagnostics.)

Product Advantages

• Dual Modbus Role: It functions simultaneously as a Client (Master) to acquire data from field devices and as a Server (Slave) to provide data to plant-level supervisory systems, consolidating communication.

• High Performance: The dedicated communication processor handles all Modbus TCP/IP network traffic and protocol conversion, which offloads significant processing time from the ControlLogix PAC, improving overall control system performance.

• ControlLogix Integration: It uses licensed backplane technology, presenting itself as a standard I/O module in Studio 5000, simplifying configuration and data mapping via sample ladder logic or Add-On Instructions (AOIs).

• Extensive Client Capacity: The ability to handle up to 30 Server devices and 10,000 commands provides the flexibility needed for large and complex industrial networks.

Important Considerations (Precautions)

• Discontinued Status: The MVI56-MNETC is a discontinued/legacy product and has been replaced by the enhanced version, MVI56E-MNETC. Users should migrate to the newer 'E' series for better diagnostics, support, and enhanced features.

• IP Addressing: Proper network configuration is crucial. Ensure the module is assigned a unique and correct IP address, subnet mask, and gateway that aligns with the plant's Ethernet network structure.

• Network Performance: While the module is dedicated, network congestion, latency, or poor infrastructure can still affect Modbus TCP/IP communication performance. Quality of Service (QoS) may need to be addressed on the network switches.

• Power Down Warning: In hazardous environments (e.g., Class I, Division 2), power must be turned off before installation, removal, or wiring to prevent explosion hazards.

• Configuration Tools: The module requires a specific ProSoft Configuration Builder (PCB) utility to define the Modbus Client command lists and Server data mapping, which is separate from the ControlLogix programming environment.

Product Applications

The MVI56-MNETC module is widely used in industrial environments that leverage the ControlLogix platform but need to integrate devices communicating over the standard Modbus TCP/IP protocol.

• Process Skids and Equipment: Integrating packaged units like compressors, flow meters, pumps, and specialized burners that use Modbus TCP/IP for their control and monitoring interfaces.

• Energy Management Systems: Communicating with power meters, protective relays, and uninterruptible power supplies (UPS) to gather energy consumption and electrical status data.

• Building Management Systems (BMS): Interfacing the ControlLogix with HVAC units, lighting controls, and other facilities equipment that uses Modbus TCP/IP.

• Distributed Control Systems (DCS) Integration: Allowing the ControlLogix to exchange large blocks of data with a superior DCS or SCADA system acting as a Modbus Client.

The structure and details of the product：

Our services：

Shipping Port:  China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

Warranty: one year

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