Description
Product Name: 1756-MVID Allen Bradley Central control module
Product details:
The 1756-MVI is a Multi-Vendor Interface (MVI) Module designed for the Allen-Bradley ControlLogix chassis, primarily used for serial communication.
| Feature | Specification |
| Product Line | ControlLogix |
| Module Type | Multi-Vendor Interface (MVI) Module |
| Communication Ports | 3 (under the front panel) |
| Communication Protocols | RS-232, RS-422, RS-485 (Configurable via jumper) |
| Backplane Current (5V) | 800 milliamps |
| Backplane Current (24V) | 3 milliamps |
| Power Dissipation | 6.2 Watts |
| Thermal Dissipation | 21.2 BTU/hour |
| Isolation Voltage | 50 Volts Continuous |
| Installation | Fits into any slot of a ControlLogix chassis |
| Operating System | Embedded operating system (Compatible with BIOS and DOS) |
Note: The 1756-MVID often refers to the module 1756-MVI bundled with a CD-ROM (containing software) and necessary serial adapter cables.
✨ Product Advantages
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Multi-Vendor Integration: The primary advantage is its ability to communicate with non-Rockwell Automation (third-party) devices that use standard serial protocols (RS-232, RS-422, RS-485).
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Protocol Versatility: Supports multiple communication standards, making it highly flexible for various industrial setups.
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Troubleshooting Ease: Equipped with front-panel LEDs that indicate the status of the module and its communication channels, aiding in quick diagnostics.
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Platform Compatibility: Seamlessly integrates into the highly flexible and reliable Allen-Bradley ControlLogix platform.
⚠️ Precautions (Important Considerations)
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Installation Jumper: Ensure the Setup jumper (used for initial configuration) is correctly installed or removed as needed for proper operation.
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Cable Connections: Verify that all serial adapter cables are properly connected to avoid communication failures.
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Protocol Configuration: The communication protocol (RS-232, RS-422, or RS-485) is set by a physical jumper on the side of the module. This must be set correctly to match the connected device.
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Heat Dissipation: Be mindful of the module’s thermal dissipation (21.2 BTU/hour) and ensure the ControlLogix chassis has adequate ventilation to maintain operating temperature limits.
🏭 Product Applications
The 1756-MVI module is typically used in industrial automation environments where the ControlLogix PLC needs to interface with equipment that does not use a native ControlLogix communication protocol (like EtherNet/IP or ControlNet).
Common applications include:
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Legacy Device Integration: Connecting older equipment (e.g., weigh scales, barcode readers, chart recorders) that only support RS-232/RS-485.
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Modbus RTU Master/Slave: Communicating with devices (such as drives, temperature controllers, or other PLCs) using the popular Modbus RTU serial protocol.
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HMI/SCADA Communication: Providing a serial communication link to Human-Machine Interface (HMI) panels or Supervisory Control and Data Acquisition (SCADA) systems.
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Custom Serial Protocols: Supporting applications that require a custom or proprietary serial communication link to external devices.
Advantages: Foxboro, OVATION, TRICONEX, Allen-Bradley, ABB, Motorola, Siemens Moore, Ge Fanuc, Woodward, Bently Nevada and other major import brands!
We have the same series of models in stock. If you don’t find the model you need, please contact us and we will provide you with an official quotation！
Colour：new Warranty: 12 months
Lead Time：3-day working day Country of origin: Sweden
Price: Please contact us Product weight：0.515kg
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