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MVI56-MCMR Industrial Communication Module – Full Technical Overview
Product Introduction
The MVI56-MCMR is an industrial communication module designed for ControlLogix automation systems. It is built to provide reliable Modbus RTU and Modbus ASCII communication between ControlLogix controllers and a wide range of serial field devices.
The module functions as a high-performance communication interface, enabling data exchange between PLC systems and Modbus-compatible equipment such as variable frequency drives, power meters, flow controllers, pressure transmitters, remote terminal units, and industrial sensors.
In many industrial environments, large amounts of legacy equipment still rely on serial Modbus communication. The MVI56-MCMR is designed specifically to integrate these devices into modern ControlLogix-based automation architectures without requiring replacement of existing field instruments.
It supports both Master and Slave modes, allowing flexible system design for data polling, device control, and process monitoring. The module is widely used in industries where reliable serial communication and long-term system stability are essential.
Typical application environments include manufacturing plants, oil and gas facilities, water treatment systems, mining operations, power generation stations, and infrastructure automation systems.
Brand Information
| Item | Details |
|---|---|
| Brand | Industrial Automation Platform |
| Product Model | MVI56-MCMR |
| Product Type | Modbus Serial Communication Module |
| Product Family | MVI56 Series |
| Compatible Platform | ControlLogix |
| Communication Protocol | Modbus RTU / Modbus ASCII |
| Installation Type | Chassis Mounted |
| Communication Mode | Master / Slave |
| Industrial Category | Process Automation & Industrial Control |
Product Series Overview
MVI56 Series
The MVI56 Series is a family of industrial communication modules designed to expand the protocol capabilities of ControlLogix automation systems.
The series enables communication between controllers and multiple industrial protocols, including:
- Modbus RTU
- Modbus ASCII
- Modbus TCP/IP
- HART
- PROFIBUS DP
- DNP3
- IEC protocols
- Generic serial communication
- Industrial Ethernet communication
The MVI56 Series is widely used in process automation systems where multiple devices from different manufacturers must be integrated into a unified control architecture.
Key characteristics include:
- Multi-protocol flexibility
- High communication stability
- Industrial-grade durability
- Advanced diagnostics
- Easy configuration and integration
- Long service life
MVI56-MCMR Technical Specifications
Product Parameters
| Parameter | Specification |
|---|---|
| Model | MVI56-MCMR |
| Product Type | Modbus Serial Communication Module |
| Series | MVI56 Series |
| Compatible Platform | ControlLogix |
| Communication Protocol | Modbus RTU / Modbus ASCII |
| Operating Mode | Master and Slave |
| Serial Ports | 2 Independent Channels |
| Interface Types | RS-232 / RS-422 / RS-485 |
| Maximum Baud Rate | 115.2 kbps |
| Data Processing | Cyclic and Event-Based Communication |
| Backplane Interface | ControlLogix High-Speed Backplane |
| Configuration Tool | Dedicated Configuration Software |
| Device Support | Modbus-Compatible Field Devices |
| Diagnostic Features | Communication Status & Error Monitoring |
| LED Indicators | Module Status, Port Activity |
| Electrical Isolation | Optical Isolation |
| Power Consumption | Approx. 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 | ControlLogix Chassis Slot |
| Dimensions (H × W × D) | 145 × 35 × 140 mm |
| Weight (kg) | Approximately 0.45 kg |
Product Features
Dual Serial Communication Channels
The module includes two independent serial ports, allowing simultaneous communication with multiple Modbus networks or device groups.
Flexible Protocol Support
Supports both Modbus RTU and Modbus ASCII formats, ensuring compatibility with a wide range of legacy industrial devices.
Master and Slave Operation
The module can function as either a Modbus Master or Slave, providing flexible deployment options for system designers.
Multi-Interface Support
RS-232, RS-422, and RS-485 interfaces allow integration with different wiring standards used in industrial environments.
Seamless ControlLogix Integration
Direct backplane communication ensures fast and reliable data exchange with the PLC processor.
Advanced Diagnostics
Built-in diagnostic functions allow real-time monitoring of communication health, reducing downtime and simplifying maintenance.
Legacy System Integration
Enables older Modbus-based equipment to be integrated into modern automation systems without hardware replacement.
Industrial Reliability
Designed for continuous operation in harsh environments with strong resistance to vibration, temperature variation, and electrical noise.
Product Applications
Manufacturing Systems
Used in production environments requiring stable communication between PLCs and field devices.
Applications include:
- Assembly lines
- Packaging machines
- Conveyor systems
- Industrial robotics
- Machine monitoring systems
Oil and Gas Industry
Widely deployed in upstream and downstream operations.
Applications include:
- Pipeline monitoring
- Pump control systems
- Compressor stations
- Tank farms
- Process instrumentation
Water and Wastewater Treatment
Supports communication between control systems and remote field equipment.
Applications include:
- Pump stations
- Water distribution networks
- Chemical dosing systems
- Filtration plants
- SCADA integration systems
Power and Energy Systems
Used in electrical monitoring and control applications.
Applications include:
- Substation automation
- Generator monitoring
- Energy management systems
- Metering networks
- Protection relay systems
Mining Industry
Supports automation in harsh mining environments.
Applications include:
- Conveyor control
- Crushing systems
- Ventilation monitoring
- Dewatering systems
- Process control systems
Infrastructure and Transportation
Used in distributed control and monitoring systems.
Applications include:
- Tunnel systems
- Railway control systems
- Airport infrastructure
- Building automation
- Traffic control systems
Product Advantages
| Advantage | Description |
|---|---|
| Dual Serial Ports | Supports multiple device networks simultaneously |
| Wide Protocol Compatibility | Works with most Modbus RTU/ASCII devices |
| Flexible System Design | Supports Master and Slave modes |
| Easy Integration | Seamless connection with ControlLogix systems |
| Strong Diagnostics | Simplifies troubleshooting and maintenance |
| Legacy System Support | Extends life of existing industrial equipment |
| High Stability | Reliable operation in industrial environments |
| Cost Efficiency | Reduces need for system replacement |
| Scalable Architecture | Suitable for small to large systems |
| Industrial Durability | Designed for harsh operating conditions |
Recommended Models (Same Series or Related)
Technical Comparison Table
| Model | Protocol Type | Interface | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|
| MVI56-MCM | Modbus RTU/ASCII | Serial | 145 × 35 × 140 | 0.45 |
| MVI56E-MCMXT | Enhanced Modbus Serial | Serial | 145 × 35 × 140 | 0.45 |
| MVI56E-MCMR | Modbus RTU/ASCII | Serial | 145 × 35 × 140 | 0.45 |
| MVI56E-MNET | Modbus TCP/IP | Ethernet | 145 × 35 × 140 | 0.45 |
| MVI56E-MNETC | Modbus TCP Client | Ethernet | 145 × 35 × 140 | 0.45 |
Related Model Overview
| Model | Function | Communication Type | Typical Application |
|---|---|---|---|
| MVI56-MCM | Standard Modbus Serial Communication | RS-232/422/485 | Factory automation |
| MVI56E-MCMXT | Enhanced serial Modbus processing | RS-232/422/485 | Process control |
| MVI56E-MCMR | Reliable Modbus RTU/ASCII communication | RS-232/422/485 | Industrial monitoring |
| MVI56E-MNET | Ethernet Modbus communication | Ethernet | SCADA systems |
| MVI56E-MNETC | Modbus TCP client communication | Ethernet | Data acquisition systems |
Recommended Popular Models from Same Platform
Industrial Automation Products
| Model | Product Type | Key Features | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|
| 1756-L85E | ControlLogix Controller | High-performance CPU | 145 × 145 × 140 | 0.93 |
| 1756-EN2TR | Ethernet Module | Dual Ethernet ports | 145 × 35 × 140 | 0.40 |
| 1756-IB16 | Digital Input Module | 16-channel input | 145 × 35 × 140 | 0.32 |
| 1756-OB16E | Digital Output Module | 16-channel output | 145 × 35 × 140 | 0.34 |
| 1756-IF16 | Analog Input Module | 16-channel analog input | 145 × 35 × 140 | 0.36 |
Popular Product Parameter Comparison
| Model | Category | Communication | Capacity | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| 1756-L85E | PLC Controller | EtherNet/IP | High performance | 145 × 145 × 140 | 0.93 |
| 1756-EN2TR | Network Module | Ethernet | Industrial networking | 145 × 35 × 140 | 0.40 |
| 1756-IB16 | Input Module | Backplane | 16 inputs | 145 × 35 × 140 | 0.32 |
| 1756-OB16E | Output Module | Backplane | 16 outputs | 145 × 35 × 140 | 0.34 |
| 1756-IF16 | Analog Module | Backplane | 16 channels | 145 × 35 × 140 | 0.36 |
Summary
The MVI56-MCMR is a reliable Modbus RTU/ASCII communication module within the MVI56 Series, designed for integrating serial industrial devices into ControlLogix automation systems. It supports both Master and Slave modes, dual serial ports, and multiple interface standards, making it suitable for a wide range of industrial communication requirements.
The module is widely used in manufacturing, energy, oil and gas, water treatment, mining, and infrastructure systems where stable serial communication is required for long-term operation.
When compared with related models such as MVI56-MCM, MVI56E-MCMXT, MVI56E-MNET, and MVI56E-MNETC, it provides a balanced solution for legacy Modbus RTU/ASCII integration.
Together with mainstream automation products like 1756-L85E, 1756-EN2TR, 1756-IB16, 1756-OB16E, and 1756-IF16, the MVI56-MCMR forms part of a stable and scalable industrial automation ecosystem.