1. Product Overview
PROSOFT MVI56-MCM is a Modbus communication module specifically designed for the Allen-Bradley (Rockwell Automation) ControlLogix platform. It acts as a “bridge” between ControlLogix PLCs and Modbus devices such as sensors and actuators, enabling seamless data exchange between these two different protocols.
2. Core Specifications
The module comes with specific core parameters that define its operational capabilities. Its power supply requirement is 24V DC, and it supports a maximum communication baud rate of 115200 bps, which is also the commonly used setting in most applications. It boasts a wide operating temperature range from -40℃ to +85℃, making it suitable for various harsh industrial environments. In terms of physical dimensions, the module measures approximately 176mm in length, 100mm in width and 32mm in height, with a weight of around 0.5kg. For connectivity, it is typically equipped with two RJ45 ports that support RS-232, RS-485 and RS-422 communication standards.
3. Key Features
This module is packed with notable product features that enhance its functionality and versatility. It supports dual communication modes, namely Modbus Master and Modbus Slave, allowing it to either actively request data from connected devices or passively respond to data queries. It offers flexible data mapping capabilities, enabling users to directly monitor the module status within the PLC and achieve rapid data mapping and processing through built-in Add-On Instructions (AOI). Safety and reliability are ensured with optocoupler isolation and LED diagnostic indicators, which display real-time communication status and error codes to facilitate quick troubleshooting. Additionally, it has strong compatibility, supporting both Modbus RTU and ASCII protocols and being able to work in conjunction with other protocols like ControlNet and DeviceNet.
4. Structure and Components
The internal structure and components of the MVI56-MCM module are carefully designed to support its core functions. It includes a communication processing chip that is responsible for executing the Modbus protocol stack, ensuring smooth data transmission and protocol conversion. Electrical isolation components are integrated to safeguard the electrical safety between the PLC and external devices, preventing potential electrical interference or damage. A memory component with a CF card slot is provided for storing configuration files and backing up critical data, ensuring that module settings are retained even during power outages. LED indicators are also part of the design, clearly showing the power status, communication status and error status of the module at a glance.
5. Application Areas
Thanks to its robust performance and versatile features, the MVI56-MCM module finds extensive application across multiple industries. In industrial automation, it is widely used for monitoring and controlling equipment on production lines, helping to optimize production processes and improve operational efficiency. In the field of energy management, it plays a key role in collecting operational data from equipment in power systems, supporting effective energy monitoring and management strategies. Within the oil and gas industry, it is deployed to monitor pipelines and processing equipment, ensuring the safe and stable operation of critical infrastructure. It is also suitable for use in metallurgy and chemical industries, where it can control complex chemical processes with high precision and reliability.
6. Installation and Maintenance
The installation and maintenance of the MVI56-MCM module are straightforward and user-friendly. For installation, the module requires a free slot in the ControlLogix chassis, and users should ensure that the module is compatible with the backplane power supply of the PLC, which typically requires a current support of 800 mA. Configuration is carried out via the RSLogix 5000 software, where users can set relevant parameters; the module status can be directly read through the PLC tags, and it supports ladder logic programming for easy integration into existing control systems. For maintenance, regular checks of the LED status lights are recommended to quickly identify any potential issues. If communication failures occur, users should first check the CF card configuration files and network connections. The module supports hot-swappable CF cards, allowing for quick and convenient replacement of configuration files without the need for system shutdown.

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Frequently Asked Questions
Q1: What is the earliest delivery time you can offer?
A: We will arrange shipment immediately upon receipt of your payment.
Q2: Do you have any overseas branches?
A: We do not have overseas branches, but our products are sold to customers all around the world.
Q3: Are you a manufacturer or a trader?
A: We are a trading company.
Q4: Can you provide technical support?
A: No, we only supply hardware products and do not include technical support services.
Q5: Can you provide data sheets/literature/technical documents?
A: Data sheets will be delivered together with the goods.
Our Services
Packaging and Shipping
We will arrange shipment within 3 working days after receiving your payment. All goods are strictly inspected before shipment to ensure product quality. Every product comes in a brand-new, original factory-sealed individual inner box. We can ship your order via major courier services including DHL, TNT, UPS, EMS and FedEx. Please contact us directly, and we will deliver the goods according to your specific requirements.
Warranty and Return Policy
All products we sell are 100% new and packed in original factory packaging, and each unit undergoes strict inspection before shipment. We strive to minimize any potential quality issues to the greatest extent possible. We provide a 12-month warranty period starting from the date of package receipt. If a product has defects in craftsmanship or materials, please contact us first, and we will arrange a replacement or offer alternative solutions for you to choose from. Shipping and handling fees are non-refundable. Customers shall be responsible for all costs incurred due to unreasonable returns and re-shipments. All returned items must be in good condition and maintain a resalable state. No warranty is provided for damages caused by human factors, such as breakage and scratches. Thank you for your understanding and cooperation.
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