Product Description of ProSoft MVI56-PDPMV1
May 16, 2026

Product Description of ProSoft MVI56-PDPMV1

MVI56-PDPMV1 is a PROFIBUS DP-V1 master communication module specially designed by ProSoft for the Rockwell ControlLogix platform. As a high-performance gateway for connecting the ControlLogix system to the PROFIBUS DP network, it supports DP-V0 cyclic I/O and DP-V1 non-cyclic parameter/monitoring communication. A single module can manage a large number of slave devices, making it the core solution for PROFIBUS bus integration in industrial sites.

Description

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Product Description of ProSoft MVI56-PDPMV1

MVI56-PDPMV1 is a PROFIBUS DP-V1 master station communication module specially designed by ProSoft for the Rockwell ControlLogix platform. As a high-performance gateway for connecting the ControlLogix system to the PROFIBUS DP network, it supports DP-V0 cyclic I/O and DP-V1 non-cyclic parameter/monitoring communication. A single module can manage a large number of slave devices, making it the core solution for PROFIBUS bus integration in industrial sites. 

I. Model Analysis

MVI56: Communication Module for ControlLogix 1756 Platform

PDP: PROFIBUS DP Protocol

MV1: Enhanced Function of DP-V1 Master Station (Master)

II. Core Hardware Specifications

Compatible Platform: Rockwell ControlLogix 1756 Series (Local / Remote Rack)

Slot Occupancy: Single Slot (Standard 1756 Size)

Backplane Power Consumption: 800mA @ 5VDC, 3mA @ 24VDC

PROFIBUS Interface: 1×DB9-pin RS-485 Optical Isolation Interface (2.5kV Isolation)

Configuration Port: RS-232 (RJ45/DB9 Adapter)

Data Buffer: 1536 Bytes Input / 1536 Bytes Output Circular Data Area

Status Indicators: OK, APP, NET, ERR, TOKEN Multiple Groups of 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: PROFIBUS DP-V0 / DP-V1 (Compliant with IEC 61158 Standard)

Working Mode: DP-V1 Master Station (1-Class / 2-Class Services)

Communication Rate: 9.6kbps ~ 12Mbps Adaptive

2. Core Capabilities of the Master Station

Maximum Slave Station Connections: 125 PROFIBUS DP Slaves

Cyclic Data (DP-V0): High-speed I/O Real-time Transmission, 1536 Bytes In / 1536 Bytes Out

Non-Cyclic Data (DP-V1):

1-Class Services: Master Station and Slave Station Parameter Reading and Writing, Diagnostic Data Upload

2-Class Services: Programmer / Host Online Access, Equipment Debugging

Function Support: Extended Diagnostics, Synchronization / Freezing Commands, Multicast / Broadcasting, PROFIdrive 3.1 Parameter Reading and Writing

3. Advanced Network Features

CIPconnect Technology: Achieved through 1756-ENxT Module for Remote Diagnosis, Configuration, and Firmware Update

FDT/DTM Compatibility: Supports PSW-CDTM-PDPM Software, Integrating Mainstream DCS/PLC Configuration Environments

Data Isolation: Independent Communication Processor, Does Not Occupy ControlLogix CPU Scanning Cycle

Hot Swap: Supports Online Module Replacement, System Does Not Need to Shut Down

IV. Core Features and Advantages

1. DP-V1 Full-Function Master Station (Core Advantage)

Supports both DP-V0 High-Speed I/O and DP-V1 Non-Cyclic Communication, Meeting the Requirements for Equipment Control, Parameter Configuration, and Fault Diagnosis in All Scenarios

1-Class / 2-Class Services Parallel, PLC Control + Host Monitoring Proceeding Simultaneously, No Mode Switching Required

2. Large-scale Slave Station Management

Single Module 125 Slave Station Capacity, Covering Large Production Lines, Chemical Plants, Substations, and Other Complex Networks

Optical Isolation RS-485 Interface, Resistant to Strong Electromagnetic Interference, Supports Long Distance (Up to 1200m @ 1.5Mbps) Bus Communication

3. Seamless Integration with ControlLogix

Recognized as a Standard I/O Module, No Additional Hardware / Power Required, Direct Backplane Data Interaction

Provides Studio 5000 AOI, Ladder Diagram Routine, GSD File, Quick Configuration Programming Automatically map controller labels for data, reducing 80% of development workload

4. Industrial-grade reliability and operation

Wide temperature range, high shock resistance (30g), and anti-vibration (5g) design, suitable for harsh industrial environments

Multi-level status LEDs + remote diagnosis, quick fault location

Support for online firmware upgrade, configuration backup and restoration, and efficient operation and maintenance

V. Typical application scenarios

Automotive manufacturing: Production line PROFIBUS frequency converters, servo, robot cluster control

Petrochemical industry: Plant area instruments, valves, analyzers Bus integration and diagnosis

Power and energy: Substation relay protection, smart meters, switch cabinets Networking

Mining and metallurgy: Underground / workshop distributed I/O, transmission equipment High-speed communication

Cement / papermaking: Large-scale process lines Multiple slave stations PROFIBUS networks Unified monitoring

Mechanical manufacturing: High-end equipment PROFIBUS slave station equipment Control and parameter management

VI. Summary

MVI56-PDPMV1 is the flagship module for PROFIBUS DP-V1 communication on the ControlLogix platform. With dual protocols DP-V0/V1, 125 slave stations large capacity, photoelectric isolation high reliability, seamless PLC integration, and remote full operation and maintenance as its core advantages, it is specifically designed for PROFIBUS bus integration in large-scale, high-real-time, and strong-interference environments, and is an industrial standard solution for Rockwell System's access to the PROFIBUS network.


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