The 1756-MVI Multi-Variable Interface Module from Rockwell Automation is a specialized communication and data interface module designed for advanced industrial automation systems requiring high-speed variable exchange, protocol integration, and reliable data handling within the ControlLogix platform.
Engineered for complex automation environments, the 1756-MVI enables seamless interaction between PLC systems, industrial devices, and external communication networks. It is widely deployed in process industries, manufacturing plants, energy systems, and large-scale industrial control applications where stable multi-variable communication is critical.
Its modular architecture allows flexible integration into existing ControlLogix systems while improving overall system connectivity and operational efficiency.
Technical Specifications (Including Size & Weight)
| Parameter | Specification |
|---|---|
| Model | 1756-MVI |
| Series | ControlLogix Communication Modules |
| Module Type | Multi-Variable Interface Module |
| Communication Function | Industrial data exchange and protocol integration |
| Platform Compatibility | ControlLogix chassis systems |
| Data Processing | Real-time variable handling |
| Interface Capability | Multi-device communication support |
| Integration | PLC-to-device communication |
| Configuration Software | Studio 5000 / RSLogix 5000 |
| Backplane Communication | High-speed ControlLogix backplane |
| Power Consumption | ~5–7 W |
| Backplane Current (5.1V DC) | ~850 mA |
| Isolation | Industrial electrical isolation |
| Mounting Method | Single-slot chassis installation |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -40°C to 85°C |
| Humidity | 5%–95% non-condensing |
| Industrial Certification | Industrial automation environment rated |
| Weight | ~0.40–0.75 kg |
Physical Dimensions
- Size (H × W × D): 145 × 35 × 140 mm
The compact single-slot design simplifies cabinet integration while maintaining dependable industrial communication performance.
Recommended Related Models
The 1756-MVI is commonly integrated with:
- 1756-L71 / L73 / L75 ControlLogix processors
- 1756-EN2T EtherNet/IP communication modules
- 1756-CNB ControlNet communication modules
- 1756-DHRIO network communication modules
- 1756-IB16 / OB16 digital I/O modules
Popular Allen-Bradley Communication Modules
Within the ControlLogix communication ecosystem, widely used modules include:
- 1756-ENBT EtherNet/IP module
- 1756-EN2T high-speed Ethernet module
- 1756-CNB ControlNet bridge module
- 1756-DHRIO Data Highway module
- 1756-MVI multi-variable interface module
These modules help create scalable and highly connected industrial automation architectures.
