Product Description of ProSoft MVI69-FLN
May 16, 2026

Product Description of ProSoft MVI69-FLN

MVI69-FLN (FL-net Network Interface Module) is a FL-net (OPCN-2) industrial control network interface module specially designed by ProSoft for the Rockwell CompactLogix platform. It follows the JEMA standard FA control network protocol (FL-net 2.00/OPCN-2) and realizes point-to-point high-speed data interconnection between CompactLogix and Japanese FA equipment, numerical control systems, robots, and servo systems without a master control through a single Ethernet connection. It is a standard gateway solution for connecting Japanese equipment to the Rockwell control system. ProSoft Technology Inc.

Description

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Product Description of ProSoft MVI69-FLN

MVI69-FLN (FL-net Network Interface Module) is an FL-net (OPCN-2) industrial control network interface module specially designed by ProSoft for the Rockwell CompactLogix platform. It follows the JEMA standard FA control network protocol (FL-net 2.00/OPCN-2) and realizes point-to-point high-speed data interconnection between CompactLogix and Japanese FA equipment, numerical control systems, robots, and servo systems through a single Ethernet connection. It is a standard gateway solution for connecting Japanese equipment to the Rockwell control system. ProSoft Technology Inc. 

I. Model Analysis

MVI69: Specialized module for CompactLogix 1769 platform

FLN: FL-net (OPCN-2) protocol (FA control network)

Core Positioning: Single Ethernet, FL-net 2.00 (OPCN-2), peer-to-peer network without a central node, dual-region cyclic data, 1769 single slot, industrial-grade reliability

II. Core Hardware Specifications

Compatible Platforms: Full series CompactLogix (L1x–L7x), MicroLogix 1500 LRP, 1769 I/O bus, single-slot installation by ProSoft Technology Inc

Backplane Power Consumption: Maximum 800mA @ 5.1VDC

Ethernet Interfaces

Ports: 1 10/100Base-TX (RJ45), auto-sensing, Auto-MDIX by ProSoft Technology Inc

Isolation: 1500Vrms electrical isolation by ProSoft Technology Inc

Data Buffer: Fixed-size shared database in dual regions (Area 1 / Area 2), supporting cyclic data exchange by ProSoft Technology Inc

LED Status: OK, BP, CFG, ETH, ERR five sets of status indicators

Operating Environment

Temperature: 0°C ~ +60°C

Storage: -40°C ~ +85°C

Humidity: 5% ~ 95% (no condensation)

Certifications: CE, UL, cURus, RoHS by ProSoft Technology Inc

III. Core Functions and Performance

1. FL-net (OPCN-2) protocol support (core advantage)

Peer-to-Peer

Fully complies with JEMA FL-net 2.00 (OPCN-2) standard (JEM 1479) by ProSoft Technology Inc

Peer station architecture: All nodes are equal, automatically form a network, and automatically arbitrate. ProSoft Technology Inc

Support for dual-region (Area 1 / Area 2) cyclic data transmission: Fixed-size shared memory, real-time data distribution by ProSoft Technology Inc

Data Exchange Mechanism

Area 1 / Area 2: Maximum 1024 bytes / region cyclic data by ProSoft Technology Inc

Network Refresh Cycle: 1ms ~ 255ms configurable by ProSoft Technology Inc

Support for real-time monitoring of network status, node status, and module status by ProSoft Technology Inc

Asynchronous Data Transmission: Does not occupy PLC CPU scanning time by ProSoft Technology Inc

Multi-vendor device compatibility

Perfectly compatible with Japanese FA devices: Mitsubishi, Yaskawa, Omron, Panasonic, Fuji, etc. FL-net devices by ProSoft Technology Inc

Support for numerical control systems (NC), robot controllers, servo drives, PLC interconnection

Standard FL-net protocol: No gateway required, seamless connection by ProSoft Technology Inc

2. Seamless integration with PLC system

High-speed backplane communication The module operates independently as a coprocessor, with zero PLC load. ProSoft Technology Inc

The dual-region database is directly mapped to the PLC tag. ProSoft Technology Inc

Supports periodic I/O data mirroring, with data delay < 1ms. ProSoft Technology Inc

Studio 500 / Logix5000 integration

Provides AOI (Add-On Instruction) and UDT (User Defined Tag). ProSoft Technology Inc

Module status, communication statistics, error codes are directly mapped to the controller tag. ProSoft Technology Inc

Configuration files are automatically backed up to the PLC project (ACD file). ProSoft Technology Inc

Supports ladder logic program control and data exchange. ProSoft Technology Inc

3. Industrial-grade reliability and maintenance

Electrical isolation

1500Vrms Ethernet isolation: anti-surge, anti-static, elimination of ground potential difference. ProSoft Technology Inc

Powerful diagnostics

Node status, network status, communication statistics, error count are reported in real time. ProSoft Technology Inc

Error codes grouped by node/region, enabling quick fault location. ProSoft Technology Inc

Flexible configuration

ProSoft Configuration Builder (PCB) visual configuration. ProSoft Technology Inc

Configuration file export/import, supporting batch deployment. ProSoft Technology Inc

Remote diagnosis, firmware upgrade. ProSoft Technology Inc

Four. Core features and advantages

1. Standard FL-net compatibility

JEMA OPCN-2 certification: 100% compatible with Japanese FA equipment ecosystem. ProSoft Technology Inc

Peer-to-peer network without a master: automatic networking, no need to configure the master station, high redundancy. ProSoft Technology Inc

Dual-region cyclic data: real-time, deterministic, high-speed data distribution. ProSoft Technology Inc

2. Plug-and-play, easy development

AOI/UDT ready out of the box: no complex programming required, quick integration. ProSoft Technology Inc

Diagnosis transparent: all statuses are visible in the PLC program, simplifying debugging. ProSoft Technology Inc

Single-slot design: saves space, easy installation, maintenance is simple. ProSoft Technology Inc

3. Stable and reliable in industrial sites

Fully isolated Ethernet: protects PLC from electrical interference in the site. ProSoft Technology Inc

Wide temperature range, no fan: suitable for manufacturing, automotive, electronics, semiconductor, etc. harsh environments. ProSoft Technology Inc

Independent operation: module failure does not affect the PLC host system. ProSoft Technology Inc

Five. Typical application scenarios Japanese equipment integration: CompactLogix connects Mitsubishi, Yaskawa, Omron FL-net PLC, servo, and robot. ProSoft Technology Inc.

Interconnection of numerical control systems: PLC and CNC machining centers, CNC lathes. Data exchange.

Electronic semiconductors: FA automated production line. Multi-vendor equipment networking. ProSoft Technology Inc.

Automobile manufacturing: Welding, painting, assembly lines. FL-net equipment integration. ProSoft Technology Inc.

Packaging machinery: Japanese servo, frequency converter, HMI. Unified control. ProSoft Technology Inc.

Renovation of old factories: Traditional Japanese FL-net equipment. Integration with modern Rockwell control system. ProSoft Technology Inc.

Summary

MVI69-FLN is the only standard FL-net (OPCN-2) communication module for the CompactLogix platform. With JEMA 2.00 protocol compatibility, peer-to-peer network, dual-region cyclic data, 1500V isolation, zero PLC load, deep integration with Studio 500, and industrial-grade reliability as its core advantages, it is specifically designed for Japanese FA equipment, numerical control systems, robots, and servos to integrate with Rockwell control systems. It is the preferred gateway solution for mixed networking of Japanese equipment, upgrading of old factories, and high-deterministic data exchange. ProSoft Technology Inc.


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