Product Details
Overview
The Allen-Bradley MVI56-MCM is a Modbus communication module engineered for integration within the ControlLogix platform. It enables seamless data exchange between ControlLogix processors and Modbus-compatible devices, supporting both Modbus RTU and Modbus TCP/IP networks. Designed for reliability and high-performance control applications, the MVI56-MCM provides a robust interface for connecting PLCs to third-party field instruments and control systems.
Technical Specifications
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Model / Part Number: MVI56-MCM
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Brand: Allen-Bradley
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Product Type: Modbus Communication Module
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Product Line: ControlLogix
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Weight: 1.69 lbs (0.77 kg)
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Backplane Power Consumption: 800 mA @ 5 VDC
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Supported Communication Protocols: Modbus RTU Master/Slave, Modbus TCP/IP
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Supported Serial Standards: RS-232, RS-422, RS-485
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Environmental Rating: Class I, Division 2, Groups A, B, C, and D (Hazardous Locations)
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RAM Requirement: Minimum 128 MB, Recommended 256 MB
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Operating Temperature: 32°F to 140°F (0°C to 60°C)
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Required Disk Space (for configuration tools): Minimum 100 MB
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Configuration Software: ProSoft Configuration Builder (PCB)
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Mounting Type: ControlLogix chassis-mounted
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Status Indicators: Module, Communication, and Network activity LEDs
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Module Function: Acts as a communication bridge between Logix controllers and Modbus networks
Key Features
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Dual Modbus ports for simultaneous master and slave operations
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Compatible with standard ControlLogix backplanes
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Simplified configuration through ProSoft software tools
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Built for use in hazardous and industrial environments
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Reliable real-time communication for Modbus-based control systems
Applications
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Integration of legacy Modbus devices with modern ControlLogix PLCs
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Industrial automation systems in oil and gas, power generation, and manufacturing
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Supervisory control and data acquisition (SCADA) networks requiring Modbus communication
FAQs
Q1: Which communication modes does the MVI56-MCM support?
It supports both Modbus RTU and Modbus TCP/IP protocols, allowing flexible network integration.
Q2: Can it be installed in hazardous locations?
Yes. It is certified for Class I, Division 2, Groups A, B, C, and D environments.
Q3: What software is required for configuration?
The module is configured using ProSoft Configuration Builder (PCB), available from ProSoft Technology.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Mastering Wire Identification in Industrial Automation: The Power of Ferrules and Cross-Ferruling
Proper wire labeling forms the cornerstone of reliable control system installation and long-term maintenance. In complex industrial automation environments, technicians terminate thousands of conductor ends inside control panels, marshalling racks, and field junction boxes. Ferrules serve as individual tube-shaped sleeve markers slipped onto conductors before final termination. While technicians historically relied on pre-printed individual letter rings, modern control panel builders utilize automated ferrule printing machines. These thermal-transfer printers generate durable, single-sleeve heat-shrink tags directly matching approved wiring schematics, significantly accelerating cabinet assembly workflows.
Understanding Marshalling Cabinets in Industrial Automation and Control Systems
Marshalling cabinets serve as the crucial connection hub between field instruments and centralized processing units. In large DCS and PLC control system architectures, hundreds of multipair field cables run from local junction boxes to the central instrument equipment room. The marshalling cabinet houses field terminal blocks, surge arresters, intrinsic safety isolation barriers, and interposing relays. By segregating field field-wiring terminations from sensitive processor hardware, engineers protect expensive controller backplanes from high-voltage transients. Consequently, this modular separation dramatically streamlines maintenance workflows and simplifies system expansion.
Essential Best Practices for PLC Wiring and Installation in Industrial Automation
Successful control system deployment begins with thoroughly reviewing manufacturer technical documentation. Controllers from major brands like Allen-Bradley, Siemens, and Schneider Electric feature unique terminal layouts. Engineers must verify voltage requirements before connecting power cables to prevent catastrophic equipment damage. Standard line connections require strict adherence to regional electrical codes and proper wire color coding. Furthermore, panel builders should always establish a robust low-impedance ground connection using at least 16-AWG copper conductor tied directly to the main plant grounding grid.