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MVI69-DFNT Industrial Communication Module – Complete Technical Overview
Product Introduction
The MVI69-DFNT is an industrial communication module designed for CompactLogix and MicroLogix automation systems. It provides DF1 Full Duplex (DFNT) communication capabilities, enabling reliable serial data exchange between Rockwell-based PLC systems and a wide range of industrial devices.
The module is primarily used to connect PLC controllers with DF1-compatible equipment such as barcode scanners, variable frequency drives, weigh scales, printers, remote I/O devices, and legacy industrial controllers. It acts as a high-performance communication bridge, ensuring stable and deterministic data transfer in serial communication networks.
The DF1 Full Duplex protocol is widely used in industrial environments for point-to-point or multi-drop communication. The MVI69-DFNT enhances this capability by allowing CompactLogix systems to communicate seamlessly with legacy DF1 devices without requiring major system redesign.
This module is especially valuable in environments where older serial communication infrastructure still plays a critical role. Instead of replacing existing equipment, the MVI69-DFNT allows integration into modern PLC-based architectures.
Typical industries include manufacturing, logistics, warehousing, packaging, automotive production, material handling systems, and general industrial automation.
Brand Information
| Item | Details |
|---|---|
| Brand | Industrial Automation Platform |
| Product Model | MVI69-DFNT |
| Product Type | DF1 Full Duplex Communication Module |
| Product Family | MVI69 Series |
| Compatible Platform | CompactLogix / MicroLogix |
| Communication Protocol | DF1 Full Duplex (DFNT) |
| Installation Method | ControlLogix / CompactLogix Backplane |
| Communication Mode | Serial Data Interface |
| Industry Category | Industrial Automation & Control Systems |
Product Series Overview
MVI69 Series Overview
The MVI69 Series is a family of communication modules designed for CompactLogix and related PLC platforms.
It is focused on providing protocol conversion and communication expansion for industrial control systems.
Supported communication protocols include:
- DF1 Full Duplex
- Modbus RTU
- Modbus ASCII
- Modbus TCP/IP (via related modules)
- ASCII serial communication
- Custom serial protocols
- Device-specific industrial communication formats
The MVI69 Series is widely used in applications where CompactLogix controllers need to interface with legacy serial devices or specialized industrial equipment.
Key features of the series include:
- CompactLogix integration
- Flexible serial communication
- Protocol conversion capability
- High reliability in industrial environments
- Simple configuration tools
- Long operational lifecycle
MVI69-DFNT Technical Specifications
Product Parameters
| Parameter | Specification |
|---|---|
| Model | MVI69-DFNT |
| Product Type | DF1 Full Duplex Communication Module |
| Series | MVI69 Series |
| Platform Compatibility | CompactLogix / MicroLogix |
| Protocol | DF1 Full Duplex (DFNT) |
| Communication Type | Serial Communication |
| Data Mode | Full Duplex |
| Channel Type | Single Serial Channel |
| Interface Standard | RS-232 / RS-485 |
| Baud Rate Range | Up to 115.2 kbps |
| Data Transfer Mode | Point-to-Point / Multi-Drop |
| Backplane Interface | CompactLogix Backplane |
| Configuration Tool | PC-Based Configuration Utility |
| Diagnostics | Communication Status & Error Monitoring |
| LED Indicators | Module Status, Channel Activity |
| Electrical Isolation | Industrial Isolation Protection |
| Power Consumption | Approx. 500–800 mA @ 5 VDC |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -40°C to 85°C |
| Humidity Range | 5% to 95% Non-Condensing |
| Shock Resistance | Industrial Grade |
| Vibration Resistance | Industrial Grade |
| Mounting Method | PLC Rack Slot Installation |
| Dimensions (H × W × D) | 145 × 35 × 140 mm |
| Weight (kg) | Approximately 0.40 kg |
Product Features
DF1 Full Duplex Communication Support
The module supports DF1 Full Duplex protocol, ensuring reliable and continuous serial communication between devices.
CompactLogix Integration
Designed specifically for CompactLogix systems, the module integrates directly into the PLC backplane.
Legacy Device Connectivity
Allows communication with older DF1-based industrial equipment without system replacement.
Serial Communication Flexibility
Supports RS-232 and RS-485 interfaces for different wiring and network configurations.
Reliable Data Transfer
Ensures stable communication in noisy industrial environments with strong error-handling capability.
Advanced Diagnostics
Provides real-time monitoring of communication status and error conditions.
Easy Configuration
Configuration is performed using dedicated software tools, simplifying system setup.
Industrial-Grade Design
Built for continuous operation in demanding industrial environments.
Product Applications
Manufacturing Industry
Widely used in production systems requiring serial communication with PLCs and field devices.
Applications include:
- Assembly lines
- Packaging machines
- Conveyor systems
- Industrial printers
- Machine automation
Logistics and Warehousing
Used for barcode and tracking systems.
Applications include:
- Barcode scanners
- RFID systems
- Sorting machines
- Inventory tracking
- Automated storage systems
Automotive Industry
Supports production line communication systems.
Applications include:
- Robotic assembly
- Welding systems
- Material handling
- Testing equipment
- Conveyor coordination
Food and Beverage Industry
Used for packaging and production control systems.
Applications include:
- Filling machines
- Labeling systems
- Production tracking
- Weighing systems
- Quality inspection systems
Material Handling Systems
Used in large-scale industrial transport systems.
Applications include:
- Conveyor control
- Crane systems
- Sorting equipment
- Lift systems
- Automated transport systems
General Industrial Automation
Supports a wide range of legacy communication systems.
Applications include:
- Machine control systems
- Industrial instrumentation
- Process monitoring
- Equipment integration
- SCADA connectivity
Product Advantages
| Advantage | Description |
|---|---|
| DF1 Full Duplex Support | Stable serial communication protocol |
| CompactLogix Compatibility | Seamless PLC integration |
| Legacy System Support | Enables reuse of older equipment |
| Flexible Serial Interfaces | Supports RS-232 and RS-485 |
| Reliable Communication | Stable data transfer in harsh environments |
| Easy Configuration | Simplified setup process |
| Industrial Durability | Designed for continuous operation |
| Cost Efficiency | Reduces system upgrade costs |
| Strong Diagnostics | Fast troubleshooting capability |
| Compact Design | Suitable for rack-mounted systems |
Recommended Models (Same Series or Related)
Technical Comparison Table
| Model | Protocol | Interface | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|
| MVI69-MCM | Modbus RTU/ASCII | Serial | 145 × 35 × 140 | 0.40 |
| MVI69-MNET | Modbus TCP/IP | Ethernet | 145 × 35 × 140 | 0.40 |
| MVI69-DFNT | DF1 Full Duplex | Serial | 145 × 35 × 140 | 0.40 |
| MVI69-AFC | ASCII Communication | Serial | 145 × 35 × 140 | 0.40 |
| MVI69-GSC | Generic Serial Communication | Serial | 145 × 35 × 140 | 0.40 |
Related Model Overview
| Model | Function | Communication Type | Typical Use |
|---|---|---|---|
| MVI69-MCM | Modbus Serial Communication | RS232/485 | Industrial monitoring |
| MVI69-MNET | Ethernet Modbus communication | Ethernet | SCADA systems |
| MVI69-AFC | ASCII protocol communication | Serial | Barcode and printers |
| MVI69-GSC | Generic serial interface | Serial | Custom devices |
| MVI69-DFNT | DF1 Full Duplex communication | Serial | Legacy PLC systems |
Recommended Popular Models from Same Platform
Industrial Automation Products
| Model | Product Type | Key Features | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|
| 1769-L33ER | CompactLogix Controller | High-performance PLC CPU | 145 × 105 × 140 | 0.60 |
| 1769-ENBT | Ethernet Module | Industrial Ethernet communication | 145 × 35 × 140 | 0.30 |
| 1769-IQ16 | Digital Input Module | 16-channel input | 145 × 35 × 140 | 0.28 |
| 1769-OB16 | Digital Output Module | 16-channel output | 145 × 35 × 140 | 0.30 |
| 1769-IF4 | Analog Input Module | 4-channel analog input | 145 × 35 × 140 | 0.32 |
Popular Product Parameter Comparison
| Model | Category | Communication | Capacity | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| 1769-L33ER | PLC Controller | EtherNet/IP | High processing | 145 × 105 × 140 | 0.60 |
| 1769-ENBT | Network Module | Ethernet | Industrial networking | 145 × 35 × 140 | 0.30 |
| 1769-IQ16 | Input Module | Backplane | 16 inputs | 145 × 35 × 140 | 0.28 |
| 1769-OB16 | Output Module | Backplane | 16 outputs | 145 × 35 × 140 | 0.30 |
| 1769-IF4 | Analog Module | Backplane | 4 channels | 145 × 35 × 140 | 0.32 |
Summary
The MVI69-DFNT is a dedicated DF1 Full Duplex communication module within the MVI69 Series, designed for CompactLogix systems requiring reliable serial communication with legacy industrial devices.
It is widely used in manufacturing, logistics, automotive, food processing, material handling, and general industrial automation systems where DF1-based communication remains essential.
Compared with related modules such as MVI69-MCM, MVI69-MNET, MVI69-AFC, and MVI69-GSC, it provides a specialized solution for DF1 Full Duplex networks.
Combined with CompactLogix hardware such as 1769-L33ER, 1769-ENBT, 1769-IQ16, 1769-OB16, and 1769-IF4, the MVI69-DFNT forms a stable and scalable industrial automation architecture suitable for both legacy and modern systems.