Product Description of ProSoft MVI56-MNET

MVI56-MNET is a standard Modbus TCP/IP client/server communication module specially designed by ProSoft for the Rockwell ControlLogix platform. As a universal Ethernet gateway for the ControlLogix system, it enables high-speed data interaction with various Modbus TCP/IP devices. It is the predecessor classic standard version of the MVI56E series enhanced modules. 

I. Model Analysis

MVI56: Special communication module for ControlLogix platform (non-enhanced E series)

MNET: Modbus TCP/IP protocol

II. Core Hardware Specifications

Compatible Platform: Rockwell ControlLogix 1756 series (local rack)

Slot Occupancy: Single slot (standard 1756 size)

Backplane Power Consumption: 800mA @ 5VDC

Ethernet Ports: 1×10/100Mbps Adaptive RJ45 (Auto-MDIX)

Data Buffer: 10000×16-bit Registers (0~9999 addresses)

Status Indicators: OK/APP/ERR Three-color LED Indicators

Operating Temperature: 0°C ~ +60°C

Storage Temperature: -40°C ~ +85°C

Humidity: 5% ~ 95% (No Condensation)

Certifications: CE, UL, cURus, RoHS

III. Communication Performance Parameters

1. Protocols and Modes

Main Protocol: Modbus TCP/IP (Client/Server Concurrent Dual Mode)

Network Function: Supports EtherNet/IP Bridging, Basic Remote Diagnostics

2. Client (Client) Capabilities

Maximum Client Connections: 1 (Single Client Master Station)

Client Command Queue: Supports 100 Modbus Commands (Polling/Event Trigger)

Supported Function Codes: 1, 2, 3, 4, 5, 6, 8, 15, 16, etc. Standard Modbus TCP Function Codes

Data Processing: Supports 32-bit Floating Point, Long Integer Data Parsing and Mapping

3. Server (Server) Capabilities

Maximum Server Sessions: 20 Concurrent Connections

Server Mapping: 10000 Word Registers Bidirectional Mapping, Supports SCADA, DCS System Access

IV. Core Features and Advantages

1. Classic General Architecture

Classic standard solution for Modbus TCP/IP communication on ControlLogix platform, suitable for most local rack integration scenarios, with long-term industrial verification of compatibility and stability.

2. Large Capacity Data Buffer

10000 Word Register Space, meeting the storage requirements for multi-device data acquisition, status monitoring, and command issuance in medium and large-scale projects, with high flexibility in data mapping.

3. Seamless PLC Integration

Directly inserted into 1756 backplane, no additional power supply or wiring required

Provides RSLogix 5000 AOI Add-On Instructions, Ladder Diagram Examples, simplifying programming

Register data automatically mapped to controller labels, no complex data processing required

4. Industrial-grade Reliability

Standard industrial-grade design, anti-interference, wide temperature range, high stability

Supports hot swapping, maintenance without power-off shutdown

Fully compatible with subsequent MVI56E-MNET Enhanced Edition, can be directly hardware replaced, program seamlessly migrated

5. Basic Remote Management

Supports basic remote diagnostics, status monitoring

Compatible with ProSoft Discovery Service software, automatically searches modules, assigns IP

Provides basic configuration tools, easy on-site deployment

V. Comparison with Series Models

Table

Feature MVI56-MNET (Standard Edition) MVI56E-MNET (Enhanced Edition) MVI56-MNETR (Remote Compact Edition)

Platform Generation Previous Standard Type E Series Enhanced Type Remote Specific Type

Client Number 1 1 1

Data Buffer 10000 Words 10000 Words 5000 Words Remote Optimization No Supports CIPconnect ControlNet Deep Optimization

Web Server No Built-in Built-in

Application Scenarios General for Local Rack Local/Remote Enhancement ControlNet Remote Rack

Six. Typical Application Scenarios

Manufacturing Automation: Factory production line integration of Modbus TCP instruments, frequency converters, servo systems

Material Handling: Warehouse logistics, conveyor lines Modbus TCP equipment control

Food/Packaging: Packaging machinery, filling equipment data acquisition and monitoring

Water Treatment: Water plant pumps, valves, instruments Modbus TCP access

Small SCADA System: Local site data collection and upper computer communication

Seven. Summary

MVI56-MNET is the classic basic solution for Modbus TCP/IP communication in the ControlLogix system. With the core advantages of single client, 10,000-word large-capacity registers, local rack optimization, and high compatibility, it is suitable for most standard industrial integration scenarios. It is a stable and reliable traditional Modbus TCP gateway that can be smoothly upgraded to the enhanced MVI56E series.