ProSoft MVI56E-MNETCR Remote Rack Multi-Client Modbus TCP/IP Module

The MVI56E-MNETCR is a multi-client Modbus TCP/IP enhanced communication module specifically optimized by ProSoft for ControlLogix remote chassis. It is based on the MVI56E-MNETC architecture and is designed for distributed remote I/O chassis scenarios, addressing the high-speed and large-capacity Modbus TCP interconnection requirements of remote chassis.

I. Model Code Interpretation

MVI56E: Enhanced single-slot module for ControlLogix platform

MNETC: Modbus TCP/IP Multi-Client

R: Remote Chassis (optimized for remote chassis)

II. Core Technical Parameters

(1) Hardware Specifications

Compatible platforms: Rockwell ControlLogix 1756 series (local / remote chassis)

Slot occupancy: Single slot (1756 standard size)

Power consumption of backplane: 800mA @ 5VDC; 3mA @ 24VDC

Ethernet port:

1 10/100 Mbps adaptive RJ45 (Auto-MDIX)

Optical isolation: 2500Vrms

Data buffer: 5,000 bytes (16 bits) configurable user database

Status indicator: OK/APP/ERR LED + 4-character LED display

Environmental indicators:

Operating temperature: 0°C ~ +60°C

Storage temperature: -40°C ~ +85°C

Humidity: 5% ~ 95% (no condensation)

Certifications: CE, UL, cURus, RoHS

(II) Communication performance (core)

Protocol: Modbus TCP/IP

Working mode: Client (Client) + Server (Server) concurrent

Client connection: Up to 30 independent Modbus TCP clients

Server connection: Up to 20 concurrent server sessions

Command queue: Supports 100 commands, event-triggered / periodic polling / priority

Function codes: Standard Modbus function codes (1, 2, 3, 4, 5, 6, 8, 15, 16)

Data processing: Floating point / long integer support, automatic mapping of ControlLogix tags

(III) Remote rack optimization features

Remote rack-specific: Optimized for EtherNet/IP remote racks, ControlNet remote racks

CIPconnect remote penetration: Cross-network remote configuration, diagnosis, firmware upgrade

Web server: Direct browser access to status monitoring, parameter configuration

ProSoft Discovery Service (PDS): Automatic search, temporary IP allocation

PLC integration: Add-On Instruction (AOI), ladder diagram examples, compatible with Studio 5000

Backward compatibility: Fully compatible with old MVI56-MNETR, direct replacement

III. Core features and advantages

Remote rack-exclusive design

Deeply optimized for distributed remote rack scenarios, addressing Modbus TCP communication bottlenecks in remote sites with multiple devices and large data volumes. A single module enables full-device interconnection in remote sites.

30 client concurrent, remote high-speed acquisition

Supports up to 30 clients online simultaneously, completely solving the problems of slow polling, timeouts, and data delays in remote single-client scenarios, increasing remote acquisition efficiency by 3-5 times.

Dual remote management, zero on-site operation

CIPconnect + Web dual remote channels, engineers can complete configuration, diagnosis, and upgrade without visiting the remote site, significantly reducing the cost of distributed system operation.

Industrial-grade stability, remote uninterrupted operation

Standard 1756 hot-swappable, optical isolation, wide temperature design, ensuring stable operation in long-distance, complex electromagnetic, high-humidity dust, and other remote harsh environments for 7×24 hours.

IV. MVI56E-MNETCR vs MVI56E-MNETC (Key differences)

Table

Feature MVI56E-MNETC (local rack) MVI56E-MNETCR (remote rack)

Design positioning Local rack general Remote rack specific optimization

Client number 30 30

Server number 20 20

Data buffer 10,000 bytes 5,000 bytes

Remote optimization Standard CIPconnect deep optimization, remote rack-specific

Compatibility with old version MVI56-MNETC MVI56-MNETR (remote version) V. Typical Application Scenarios

Distributed Factory: Remote I/O stations, branch plants, workshops - centralized collection of Modbus TCP devices

Long-distance Pipelines: Pump stations, valve rooms, remote instruments - high-speed communication

Mining / Metallurgy: Underground remote stations, belt conveyor remote control

Water Treatment: Water plants, pump stations, sewage plants - distributed network

Smart Grid: Substations, distribution rooms, remote relay protection - equipment networking

VI. Summary

MVI56E-MNETCR is a dedicated solution for ControlLogix remote rack Modbus TCP communication. Its combination of deep optimization of remote rack, 30 client concurrent connections, and dual remote management perfectly addresses the high-speed, stable, and easy-to-maintain communication requirements in distributed, long-distance, and multi-device scenarios. It is the preferred module for data collection and control at remote sites.