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MVI69-MCM Industrial Communication Module – Complete Technical Overview
Product Introduction
The MVI69-MCM is an industrial communication module designed for CompactLogix PLC platforms, providing Modbus RTU/ASCII Master and Slave communication capabilities for serial-based industrial automation networks.
This module is widely used to connect CompactLogix controllers with Modbus-compatible field devices such as variable frequency drives, power meters, flow meters, pressure sensors, weigh scales, remote I/O systems, and process instrumentation.
It serves as a communication bridge between PLC systems and serial Modbus networks, enabling reliable data exchange in industrial environments where Modbus RTU and Modbus ASCII remain widely deployed standards.
The MVI69-MCM supports both Master and Slave operation modes, allowing flexible architecture design for polling-based control systems or device-to-device communication.
It is commonly applied in manufacturing automation, water treatment plants, oil and gas facilities, power generation systems, mining operations, and general process industries.
Brand Information
| Item | Details |
|---|---|
| Brand | Industrial Automation Platform |
| Product Model | MVI69-MCM |
| Product Type | Modbus Serial Communication Module |
| Product Family | MVI69 Series |
| Compatible Platform | CompactLogix |
| Communication Protocol | Modbus RTU / Modbus ASCII |
| Installation Method | PLC Backplane Mounted |
| Communication Mode | Master / Slave |
| Industrial Category | Process Automation & Industrial Control |
Product Series Overview
MVI69 Series Overview
The MVI69 Series is a family of CompactLogix communication modules designed to extend PLC connectivity to industrial serial and Ethernet protocols.
Supported protocols across the series include:
- Modbus RTU / ASCII
- Modbus TCP/IP (via related modules)
- DF1 communication
- Generic Serial Communication (GSC)
- ASCII-based industrial protocols
Key characteristics of the series:
- Multi-protocol flexibility
- Stable industrial communication performance
- CompactLogix seamless integration
- Easy configuration tools
- Industrial-grade reliability
- Long-term operational stability
MVI69-MCM Technical Specifications
Product Parameters
| Parameter | Specification |
|---|---|
| Model | MVI69-MCM |
| Product Type | Modbus Serial Master/Slave Module |
| Series | MVI69 Series |
| Platform Compatibility | CompactLogix |
| Protocol | Modbus RTU / Modbus ASCII |
| Communication Mode | Master and Slave |
| Interface Type | RS-232 / RS-485 |
| Channel Count | Single serial channel |
| Baud Rate | Up to 115.2 kbps |
| Data Format | Configurable parity, stop bits |
| Communication Topology | Point-to-point / Multi-drop |
| Backplane Interface | CompactLogix High-Speed Bus |
| Configuration Tool | PC-based configuration software |
| Diagnostics | Communication and error monitoring |
| Status Indicators | LED module status indicators |
| Electrical Isolation | Industrial-grade isolation |
| Power Consumption | ~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 standard |
| Vibration Resistance | Industrial standard |
| Mounting Method | PLC rack slot installation |
| Dimensions (H × W × D) | 145 × 35 × 140 mm |
| Weight (kg) | Approximately 0.45 kg |
Product Features
Dual Mode Modbus Operation
Supports both Modbus Master and Modbus Slave modes for flexible system design.
CompactLogix Integration
Direct PLC backplane connection ensures fast and stable communication.
Stable Serial Communication
Optimized for RS-232 and RS-485 industrial environments.
Multi-Device Connectivity
Supports communication with multiple Modbus devices in a single network.
Legacy System Integration
Allows integration of existing Modbus infrastructure into modern PLC systems.
Easy Configuration
PC-based configuration tools simplify setup and deployment.
Industrial Reliability
Designed for continuous operation in harsh environments.
Advanced Diagnostics
Provides real-time monitoring of communication status and errors.
Product Applications
Manufacturing Industry
Used in factory automation systems requiring Modbus communication.
Applications include:
- Production lines
- Conveyor systems
- Machine control
- Packaging equipment
- Industrial monitoring systems
Water and Wastewater Treatment
Used in SCADA systems and distributed control networks.
Applications include:
- Pump control stations
- Water distribution systems
- Chemical dosing systems
- Filtration systems
- Level monitoring systems
Oil and Gas Industry
Used for field device communication in distributed systems.
Applications include:
- Pipeline monitoring
- Pump control systems
- Tank level measurement
- Compressor stations
- Process automation
Power Generation Systems
Used in electrical monitoring and control systems.
Applications include:
- Substations
- Generator monitoring
- Energy metering
- Distribution systems
- Protection systems
Mining Industry
Used in harsh and remote industrial environments.
Applications include:
- Conveyor systems
- Crushing plants
- Ventilation systems
- Dewatering systems
- Process monitoring
General Industrial Automation
Used in a wide range of Modbus-based systems.
Applications include:
- Industrial instrumentation
- SCADA systems
- Machine interfaces
- Process control
- Equipment integration
Product Advantages
| Advantage | Description |
|---|---|
| Dual Modbus Mode | Supports Master and Slave operation |
| Stable Serial Communication | Reliable RS-232/485 performance |
| CompactLogix Compatibility | Direct PLC integration |
| Multi-Device Support | Connects multiple field devices |
| Legacy Device Integration | Supports older Modbus equipment |
| Easy Configuration | Simple setup process |
| Industrial Durability | Designed for harsh environments |
| Cost Efficient Solution | Reduces integration costs |
| Strong Diagnostics | Real-time fault detection |
| Flexible Architecture | Suitable for various systems |
Recommended Models (Same Series or Related)
Technical Comparison Table
| Model | Protocol | Interface | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|
| MVI69-MCM | Modbus RTU/ASCII | RS232/485 | 145 × 35 × 140 | 0.45 |
| MVI69-MBS | Modbus Serial Master/Slave | RS232/485 | 145 × 35 × 140 | 0.45 |
| MVI69-MNET | Modbus TCP/IP | Ethernet | 145 × 35 × 140 | 0.45 |
| MVI69-GSC | Generic Serial | Custom Serial | 145 × 35 × 140 | 0.40 |
| MVI69-DFNT | DF1 Protocol | Serial | 145 × 35 × 140 | 0.45 |
Related Model Overview
| Model | Function | Communication Type | Typical Use |
|---|---|---|---|
| MVI69-MCM | Modbus serial communication | RS232/485 | Process control |
| MVI69-MBS | Modbus master/slave module | Serial | Industrial automation |
| MVI69-MNET | Ethernet Modbus module | Ethernet | SCADA systems |
| MVI69-GSC | Generic serial interface | Custom serial | OEM equipment |
| MVI69-DFNT | DF1 communication module | 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-speed 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 performance | 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-MCM is a reliable Modbus RTU/ASCII Master/Slave communication module within the MVI69 Series, designed for CompactLogix systems requiring stable and flexible serial communication with industrial field devices.
It is widely used in manufacturing, energy, water treatment, oil and gas, mining, and general industrial automation environments.
Compared with related modules such as MVI69-MBS, MVI69-MNET, MVI69-GSC, and MVI69-DFNT, it provides a balanced and widely adopted Modbus serial communication solution.
Combined with CompactLogix hardware such as 1769-L33ER, 1769-ENBT, 1769-IQ16, 1769-OB16, and 1769-IF4, the MVI69-MCM forms a stable, scalable, and widely used industrial automation architecture.