ProSoft Technology MVI69 Modules | MVI69-104S IEC 60870-5-104 Server Communication Module for CompactLogix

Technical Dossier

Product Details And Specifications

ProSoft Technology MVI69 Series: Comprehensive Module Range and Technical Overview

The ProSoft Technology MVI69 series is a purpose-built family of communication interface modules designed for the Allen-Bradley CompactLogix and MicroLogix 1500 (LBX) backplane platforms. Deployed across critical infrastructure sectors — including petrochemical refineries, nuclear power auxiliary systems, offshore oil & gas platforms, and large-scale water treatment facilities — the MVI69 series functions as a protocol gateway, bridging legacy fieldbus networks and modern Ethernet-based SCADA architectures into a unified Logix control environment. Its slot-based integration eliminates the need for external gateways, reducing panel footprint and single points of failure in safety-critical installations. The series supports over 30 distinct communication protocols, making it one of the most protocol-diverse embedded module families in the CompactLogix ecosystem.

The Evolution of MVI69 Architecture

The MVI69 platform was introduced in the mid-2000s as ProSoft Technology's response to the growing demand for native backplane-integrated protocol conversion within the CompactLogix chassis. Early variants — such as the MVI69-MNET and MVI69-PDPMV1 — addressed the dominant fieldbus protocols of that era: Modbus TCP/IP and PROFIBUS DP. These modules used a shared memory block transfer mechanism via the CompactLogix backplane, with the host controller reading and writing data through mapped I/O files.

As industrial communication standards evolved through the 2010s, ProSoft expanded the MVI69 catalog to encompass IEC standards (IEC 60870-5-101, -103, -104), DNP3, EtherNet/IP adapter roles, and energy-sector protocols such as IEC 61850 GOOSE and IEEE 1815 (DNP3). The MVI69-104S — the subject of this page — represents the IEC 60870-5-104 Server implementation, enabling CompactLogix controllers to act as RTU endpoints addressable by SCADA masters over TCP/IP networks, a topology standard in European and Asian utility grid automation.

With the introduction of the CompactLogix 5380 and 5480 series controllers, Rockwell Automation shifted toward EtherNet/IP-native architectures. ProSoft responded with the PLX31 and PLX82 gateway families as external successors for new installations. However, the MVI69 series remains the only embedded solution for existing CompactLogix 1769-L2x through L4x chassis, and ProSoft continues to provide firmware updates and repair services for the installed base.

MVI69 Full Catalog & Functionalities (SKU List)

The following SKUs represent verified, commonly deployed models within the MVI69 series. Each module occupies one slot in the CompactLogix local or expansion chassis and communicates via the 1769 backplane bus.

IEC / DNP3 / Utility Protocol Modules

• MVI69-104S: IEC 60870-5-104 Server; CompactLogix acts as TCP/IP-addressed RTU slave to SCADA master
• MVI69-104M: IEC 60870-5-104 Master; polls up to 32 remote IEC 104 Server RTUs over Ethernet
• MVI69-101S: IEC 60870-5-101 Slave (serial); balanced/unbalanced mode, RS-232/RS-485
• MVI69-101M: IEC 60870-5-101 Master (serial); controls up to 32 slave RTU endpoints
• MVI69-DNPSNET: DNP3 Slave over Ethernet; IEEE 1815-compliant, supports unsolicited responses
• MVI69-DNPNET: DNP3 Master over Ethernet; polls multiple DNP3 outstation devices
• MVI69-DNPS: DNP3 Slave (serial); RS-232/RS-485, used in legacy SCADA serial networks
• MVI69-DNP: DNP3 Master (serial); controls up to 32 DNP3 serial outstations

Modbus Protocol Modules

• MVI69-MNET: Modbus TCP/IP Master/Slave; dual Ethernet ports, up to 100 connections
• MVI69-MNETC: Modbus TCP/IP with CIPconnect; tunnels Modbus over EtherNet/IP infrastructure
• MVI69-MCM: Modbus RTU/ASCII Master/Slave (serial); RS-232/RS-485, 2 independent ports
• MVI69-MNET-61850: Modbus TCP to IEC 61850 gateway; bridges legacy Modbus SCADA to IEC 61850 IEDs

PROFIBUS Modules

• MVI69-PDPMV1: PROFIBUS DP-V1 Master; controls up to 125 DP slaves, supports acyclic services
• MVI69-PDPS: PROFIBUS DP Slave; CompactLogix appears as a DP slave device on a PROFIBUS network

DeviceNet / ControlNet Modules

• MVI69-ADN: DeviceNet Scanner (Master); manages up to 63 DeviceNet slave nodes
• MVI69-ADNS: DeviceNet Adapter (Slave); CompactLogix acts as a DeviceNet slave device

Serial / ASCII / Other Protocol Modules

• MVI69-ASCII: Generic ASCII serial interface; 2 configurable RS-232/RS-485 ports for custom framing
• MVI69-GSC: Generic Serial Communication; supports custom protocol scripts via ProSoft Configuration Builder
• MVI69-SIE: Siemens 3964R/RK512 protocol; integrates CompactLogix with legacy Siemens S5/S7 systems
• MVI69-HART: HART Master; reads HART device variables from up to 16 field instruments per port

Sourcing Hard-to-Find & Obsolete MVI69 Parts

Several MVI69 variants — including the MVI69-GSC, MVI69-SIE, and early MVI69-MCM revisions — have reached end-of-sale status with ProSoft Technology. For facilities operating CompactLogix L32E, L35E, or L43 controllers in long-lifecycle environments (15–25 year plant cycles), replacement procurement through the open market is the primary continuity strategy.

DriveKNMS maintains a dedicated inventory of MVI69 series modules sourced from decommissioned plant assets, authorized distributor overstock, and factory-refurbished units. Each unit is cataloged by firmware revision and hardware revision code to ensure backplane compatibility with the target chassis. For obsolete models, DriveKNMS provides cross-reference analysis to identify functionally equivalent current-production alternatives where direct replacement is not possible.

Quality Control for the MVI69 Range

MVI69 modules incorporate a proprietary backplane ASIC and dual-port RAM architecture that requires protocol-specific validation beyond standard power-on testing. DriveKNMS applies the following test procedures to all MVI69 units prior to shipment:

• Backplane Communication Verification: Module is installed in a live CompactLogix 1769-L33ER chassis. Block transfer read/write cycles are executed via RSLogix 5000 / Studio 5000 to confirm backplane ASIC integrity and data exchange latency within specification.
• Protocol Port Functional Test: For the MVI69-104S specifically, the module is configured as an IEC 60870-5-104 Server and interrogated by a certified IEC 104 Master simulator (e.g., Triangle MicroWorks Test Suite). General Interrogation (GI), Class 1/2 data polling, and spontaneous transmission are verified.
• Firmware Revision Audit: Installed firmware is read via ProSoft Configuration Builder and documented. Units with outdated firmware are updated to the latest stable release unless the customer specifies a target revision for compatibility with existing project files.
• Thermal Burn-In: Units are operated at elevated ambient temperature (50°C) for a minimum of 4 hours to screen for latent component failures.
• Visual and Mechanical Inspection: Backplane connector pins, status LED array, and serial port connectors are inspected for mechanical damage, oxidation, and pin deformation.