MVI69-Serial Picture

Modbus Master/Slave Network Interface Module for CompactLogix


Discontinued: No new product for sale. More Info
Recommended replacements: MVI69E-MBS

The MVI69-MCM Modbus Master/Slave Network Interface Module allows Rockwell Automation® CompactLogix™ Programmable Automation Controllers (PACs) and MicroLogix™ 1769-LRP Programmable Logic Controllers (PLCs) to interface with Modbus-compatible devices. Compatible devices include not only Modicon® PLCs but also a wide assortment of third-party devices found in nearly every industry. 

Funktionen und Vorteile

Licensed Backplane Technology

  • Manufactured under license from Rockwell Automation
  • High-speed data transfer between MVI69 module and CompactLogix / MicroLogix processor
  • Installs as a Generic 1769 module, sample ladder logic included
  • View module data and status in RSLogix 5000 controller tags and UDTs

Modbus Master/Slave protocol interface

  • Emulate Modbus Master or slave device on each individually-configurable application port
  • Supports Modbus RTU and Modbus ASCII protocol versions
  • Floating point data movement supported, including support for Enron, Daniel®, and other implementations
  • Suitable for SCADA and field device interface applications

ProSoft Configuration Builder software included

  • Graphical drag-and-drop configuration tool for simple module configuration
  • Easy to use diagnostics window with menu-driven hardware and protocol diagnostics
  • View module database contents through serial connection to a desktop PC

Backed by ProSoft Technology

  • 20-year history of delivering high-quality, reliable solutions designed with you in mind
  • Free, unlimited, worldwide Technical Support by phone for pre-sale, set-up, or troubleshooting support helps you get going sooner and stay running longer
  • Three-Year Warranty ensures reliability and protects against equipment failures
  • Free ProSoft Software tools tightly integrate with our hardware...a simple and quick, total solution to help you make our products fit your applications

Technische Daten

  • Single Slot - 1769 backplane compatible
  • The module is recognized as an Input/Output module and has access to processor memory for data transfer between processor and module
  • Ladder Logic is used for data transfer between module and processor.
  • Configuration data obtained through user-defined ladder. Sample ladder file included
  • Supports all CompactLogix processors: L20/L23/L30/L31/L32/L35, L43 and L45 (L43 and L45 supported with RSLogix 5000 v16.03 or later)
  • Supports MicroLogix 1500 Controller with LRP firmware version 6.0 or newer.





Standard 1769 Single-slot module

Current Load

800 mA max @ 5 VDC
Power supply distance rating of 2 (L43 and L45 installations on first 2 slots of 1769 bus)

Operating Temp.

32° F to 140° F (0° C to 60° C)

Storage Temp.

-40° F to 185° F (-40° C to 85° C)

Relative Humidity

5% to 95% (without condensation)

LED Indicators

Battery and Module Status

Application Status

Serial Port Activity

CFG Port Activity

CFG Port (CFG)

RJ45 (DB-9F with supplied cable)

RS-232 only

No hardware handshaking

App Ports (P1,P2) (Serial modules)

RS-232, RS-485 or RS-422 (jumper selectable)

RJ45 (DB-9F with supplied cable)

RS-232 handshaking configurable

500 V Optical isolation from backplane

Shipped with Unit

RJ45 to DB-9M cables for each port

6-foot RS-232 configuration Cable


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