Product Description of ProSoft MVI56E-MNETR

MVI56E-MNETR is a remote rack optimized Modbus TCP/IP communication module specially designed by ProSoft for the Rockwell ControlLogix platform. Its core function is to achieve stable Modbus TCP client/server communication in the ControlNet/EtherNet/IP remote rack scenario while minimizing bandwidth usage. It is a simplified version of the standard MVI56E-MNET specifically for remote racks. ProSoft Technology Inc. 

I. Model Analysis

MVI56E: Enhanced single-slot module for ControlLogix platform

MNET: Modbus TCP/IP protocol

R: Remote (remote rack) + Reduced Data Block (ProSoft Technology Inc)

II. Core Hardware Specifications

Compatible platform: Rockwell ControlLogix 1756 series (local / remote rack)

Slot occupancy: Single slot (1756 standard size)

Backplane power consumption: 800mA @ 5VDC; 3mA @ 24VDC

Ethernet port: 1×10/100Mbps Adaptive RJ45 (Auto-MDIX), 2500Vrms Optical Isolation

Data buffer: 5000×16-bit Registers (0-4999 addresses, reduced design)

Status indication: OK/APP/ERR LED + 4-character alphanumeric display ProSoft Technology Inc

Operating temperature: 0°C ~ +60°C (standard); -25°C ~ +70°C (MVI56E-MNETRXT wide temperature version) ProSoft Technology Inc

Storage temperature: -40°C ~ +85°C

Humidity: 5%~95% (no condensation)

Shock/振动： 30g running shock； 50g non-running shock； 10-150Hz， 5g vibration ProSoft Technology Inc

Certifications： CE， UL， cURus， RoHS； XT version supports ATEX/IECEx Zone 2

III. Communication Performance Parameters

1. Protocols and Modes

Main protocol： Modbus TCP/IP (Client/Server concurrent dual mode)

Auxiliary functions： CIPconnect remote bridging， built-in web server， ProSoft Discovery Service ProSoft Technology Inc

2. Client (Client) Capabilities

Maximum client connections： 1 (same as standard MNET， non-multi-client) ProSoft Technology Inc

Client command queue： Supports 100 Modbus commands (polling / event triggering / priority)

Supported function codes： 1， 2， 3， 4， 5， 6， 8， 15， 16 (standard Modbus TCP function codes)

Data processing： Supports 32-bit floating-point， long integer data automatically mapped to ControlLogix tags

3. Server (Server) Capabilities

Maximum server sessions： 20 concurrent connections

Server mapping： 5000 word registers bidirectional mapping， supports SCADA/MES/DCS multi-system access

4. Remote Rack Core Optimization

Data block reduction： I/O data image minimization， significantly reduces ControlNet bandwidth occupation ProSoft Technology Inc

Remote scheduling friendliness： RSNetworx easier scheduling， reduces impact on other I/O performance of remote rack ProSoft Technology Inc

Redundancy compatibility： Supports ControlLogix processor redundant system ProSoft Technology Inc

IV. Core Features and Advantages

1. Remote Rack Exclusive Design

Designed specifically for ControlNet remote racks， addressing the pain points of limited bandwidth and low data transmission efficiency in remote sites， more suitable for distributed remote I/O scenarios than standard version ProSoft Technology Inc.

2. Minimum Bandwidth Occupancy， Efficient and Stable

5000-word reduced data buffer + simplified I/O mapping， reduces bandwidth consumption by 50%+ during remote transmission， avoids remote rack network congestion， and ensures real-time communication ProSoft Technology Inc.

3. Full Function Remote Management CIPconnect Technology: Cross-ControlNet/EtherNet/IP multi-level network remote configuration, diagnosis, firmware upgrade

Built-in Web Server: Directly access module status, diagnostic logs, configuration files through the browser. ProSoft Technology Inc.

ProSoft Discovery Service: Automatically search for modules, allocate temporary IP, simplify on-site deployment. ProSoft Technology Inc.

4. Seamless compatibility, smooth upgrade

Fully compatible with the previous version MVI56-MNETR. Direct hardware replacement without modifying PLC logic/configuration.

Support RSLogix 5000/Studio 5000. Provide AOI additional instructions, ladder diagram examples.

5. Industrial-grade reliability

Optical isolation, industrial-grade wide temperature range (XT version), full panel coating (XT version), suitable for harsh industrial environments.

Support hot swapping, maintenance without power-off shutdown.

V. Comparison between MVI56E-MNETR and similar series models

Table

Feature MVI56E-MNET (Standard Version) MVI56E-MNETR (Remote Compact Version) MVI56E-MNETC (Multi-Client) MVI56E-MNETCR (Remote Multi-Client)

Number of Clients 1 1 30 30

Data Buffer 10000 Bytes 5000 Bytes 10000 Bytes 5000 Bytes

Remote Optimization Standard ControlNet Deep Optimization Standard ControlNet Deep Optimization

Bandwidth Occupancy Standard Minimized Standard Minimized

Applicable Scenarios General Local Rack Use ControlNet Remote Rack Local Multi-Device Collection ControlNet Remote Multi-Device Collection

VI. Typical Application Scenarios

ControlNet Remote I/O Station: Remote instruments, sensors, actuators, Modbus TCP access. ProSoft Technology Inc.

Distributed Factory: Remote racks of sub-factories / workshops and main station PLC high-speed data interaction.

Long-distance Industrial Network: Remote sites in mines, metallurgy, water conservancy, pipelines communication.

Redundant Control System: ControlLogix redundant processor + remote rack mixed architecture. ProSoft Technology Inc.

Process Control: Remote SCADA data collection in chemical industry, power industry, water treatment.