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MVI69-Serial Picture

'C' Programmable Application Development Module for CompactLogix


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Recommended replacements: MVI69E-LDM

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The MVI69 Application Development Module is a CompactLogix backplane compatible module that allows user-developed 'C' applications to operate on the CompactLogix platform. A great way to speed up custom ASCII data communications or to protect a proprietary algorithm, the ADM is a powerful tool for the CompactLogix platform.

Features and Benefits

Powerful platform for developing and running 'C' applications on Rockwell Automation's CompactLogix processors. The MVI69 Application Development Module is a single slot, backplane compatible solution for the Rockwell Automation CompactLogix platform. This module is a powerful and programmable solution supporting two fully isolated serial ports allowing the many serial field devices to be integrated into the CompactLogix platform.

The MVI69-ADM module has three serial ports, two of which are isolated for field interfaces:

  • CFG: Debug/configuration RS-232
  • PRT1: Application RS-232, RS-422 or RS-485
  • PRT2: Application RS-232, RS-422 or RS-485

PRT1 and PRT2 are jumper configured for direct or multi-drop field communication. The application program can be written to control the two application ports independently, allowing maximum flexibility in the design.


The MVI69-ADM module is the ideal solution for many applications where serial connectivity must be added to a CompactLogix platform. Applications using the MVI69-ADM module include:

  • Bar code scanner interface
  • Legacy ASCII protocol connections
  • Terminal port emulation
  • Printer driver (alarm/status printer)
  • Customized protocol implementations


  • 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.
  • 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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