PROSOFT MVI71-DFNT

Description

1. Product Introduction

The PROSOFT MVI71-DFNT is a high-performance Ethernet/IP client/server network interface module developed by ProSoft Technology. Engineered to address the complex communication challenges in industrial automation, this module serves as a critical bridge, enabling PLC processors to establish seamless connections with Ethernet/IP protocol (explicit messaging) compatible devices and hosts. In contrast to general – purpose network interface solutions, the MVI71 – DFNT is specifically tailored for Rockwell Automation’s PLC ecosystems, providing a single – slot, yet powerful, integration point within the 1771 chassis environment.

In industrial settings, where diverse devices with different communication protocols coexist, efficient data exchange is often hampered. For instance, in a large – scale manufacturing plant with Rockwell Automation PLCs controlling production lines and a multitude of Ethernet/IP – enabled sensors, actuators, and other smart devices, the lack of a unified communication interface can lead to inefficiencies, such as data bottlenecks and increased programming complexity. The MVI71 – DFNT steps in to resolve these issues. By supporting Ethernet/IP client/server operations, it allows PLC processors to both initiate and respond to data requests across the Ethernet/IP network, facilitating real – time control and monitoring. Additionally, its provision of a serial pass – thru channel 0 service is invaluable for remote Ethernet programming and troubleshooting, reducing the need for on – site physical access to PLCs, which can be time – consuming and costly, especially in large facilities or hazardous environments.

2. Functional Features

2.1 Ethernet/IP Client/Server Functionality

The MVI71 – DFNT module acts as both an Ethernet/IP client and server. As a client, it can actively send read or write commands to remote devices on the Ethernet/IP network. For example, in an automotive assembly line with Rockwell Automation’s ControlLogix PLCs and various Ethernet/IP – based robotic arms, the MVI71 – DFNT – equipped PLC can send commands to the robotic arms to adjust their movement parameters, such as speed and position. On the other hand, as a server, it can receive commands from remote devices. With 20 built – in servers, it can handle multiple incoming requests simultaneously. This bidirectional communication capability is crucial for creating a responsive and coordinated industrial control system, where data can flow freely between different components, enabling seamless integration of production processes.

2.2 Serial Pass – Thru Channel 0 Service

The serial pass – thru channel 0 service is a unique and highly practical feature of the MVI71 – DFNT. This service enables remote Ethernet programming and troubleshooting of PLCs. In a large – scale petrochemical plant spread over a vast area, technicians can use this service to remotely access the PLC’s ladder logic. They can edit the program, transfer new code, or diagnose any issues that may arise in the control system without having to physically visit the PLC location. This not only saves time but also reduces the risks associated with working in hazardous areas. The pass – through server functionality allows for up to 100 commands to be configured by the user, providing flexibility in customizing the remote access and control operations according to specific application requirements.

2.3 Data Transfer and Backplane Compatibility

The module is designed to be fully compatible with the 1771 chassis, ensuring easy integration into existing Rockwell Automation PLC systems. It supports BTR/BTW (Block Transfer Read/Block Transfer Write) data transfer, which is optimized for high – speed and reliable data exchange between the PLC processor and the Ethernet/IP network. Whether installed in a local or remote rack, the MVI71 – DFNT can efficiently transfer data, maintaining the integrity of the control system. The backplane current load of 800 mA @ 5.1 VDC is well – within the standard power requirements of the 1771 chassis, ensuring stable operation without overloading the power supply system.

PROSOFT MVI71-DFNT

3. Technical Specifications

PROSOFT MVI71-DFNT

4. Application Scenarios

4.1 Manufacturing Industry

In a large – scale food and beverage manufacturing facility, Rockwell Automation’s PLCs are used to control various production processes, such as bottling, packaging, and quality control. The MVI71 – DFNT module can be installed in the PLCs to connect with a wide range of Ethernet/IP – enabled devices. For example, it can communicate with high – speed filling machines to monitor the filling levels and adjust the filling speed in real – time. It can also interface with barcode scanners to track product batches and ensure accurate inventory management. The serial pass – thru channel 0 service can be used by maintenance technicians to remotely update the PLC programs during off – peak hours, minimizing production downtime.

4.2 Energy Sector

In a power generation plant, where Rockwell Automation PLCs are responsible for controlling the power generation and distribution processes, the MVI71 – DFNT plays a crucial role. It can connect the PLCs to Ethernet/IP – based sensors that monitor parameters such as temperature, pressure, and voltage in the generators and transformers. By acting as an Ethernet/IP client, the PLC can collect real – time data from these sensors and make adjustments to the power generation process to ensure optimal efficiency. In case of any faults or malfunctions, the serial pass – thru channel 0 service allows engineers to remotely troubleshoot the PLC system, reducing the time required to restore normal operation and minimizing power outages.

4.3 Automotive Assembly

Automotive assembly plants rely heavily on automated production lines controlled by PLCs. The MVI71 – DFNT module can be used to integrate Rockwell Automation PLCs with a variety of Ethernet/IP – enabled robotic systems, conveyor belts, and vision inspection systems. As an Ethernet/IP server, it can receive commands from a central control station to adjust the production line speed or change the assembly sequence based on the production schedule. The module’s ability to handle multiple client – server connections ensures smooth communication between all the devices in the assembly line, resulting in increased productivity and reduced errors.

5. Installation, Commissioning, and Maintenance

5.1 Installation

Chassis Mounting: The MVI71 – DFNT module is designed for easy installation in a 1771 chassis. Simply insert the module into an available single – slot position in the chassis. Ensure that the module is properly seated and locked in place to prevent any 松动 during operation.

Power Connection: Connect the power supply to the module according to the power requirements (800 mA @ 5.1 VDC). Use appropriate power cables and connectors to ensure a secure and stable power connection.

Ethernet Connection: Connect the Ethernet ports of the MVI71 – DFNT to the Ethernet/IP network infrastructure. Use standard Ethernet cables (Cat5e or higher) to ensure reliable data transmission. The module can be connected to switches, routers, or directly to other Ethernet/IP – compatible devices.

5.2 Commissioning

Configuration Software: Use ProSoft Technology’s dedicated configuration software to set up the MVI71 – DFNT module. This software allows users to configure parameters such as IP addresses, subnet masks, and the number of servers and commands.

Server and Command Configuration: Configure the 20 servers on the module to receive commands from remote devices. Set up the user – configurable commands according to the specific application requirements. For example, define the read and write commands that the module will send to remote devices on the Ethernet/IP network.

Testing: After configuration, perform a series of tests to ensure proper functionality. Use diagnostic tools provided by ProSoft Technology or third – party network testing tools to verify the communication between the MVI71 – DFNT and other Ethernet/IP devices. Test the serial pass – thru channel 0 service by remotely accessing the PLC and performing basic programming and troubleshooting tasks.

5.3 Maintenance

Regular Checks: Periodically inspect the module for any signs of physical damage, such as cracks or loose connections. Check the LED indicators on the module to monitor its operational status. The power LED should be steadily lit, and the communication LEDs should blink to indicate data transfer.

Firmware Updates: Keep the module’s firmware up – to – date by regularly checking ProSoft Technology’s website for the latest firmware releases. Update the firmware using the provided software tools to ensure optimal performance and compatibility with new devices and software versions.

Troubleshooting: In case of communication failures or other issues, use the diagnostic features of the module and the configuration software to identify the root cause. Check the network settings, server configurations, and command sequences. If necessary, contact ProSoft Technology’s technical support team for assistance.

6. Service and Warranty

ProSoft Technology offers a comprehensive service and warranty package for the MVI71 – DFNT module.

Warranty: The module comes with a standard [X] – year warranty against defects in materials and workmanship. This warranty ensures that in case of any manufacturing – related issues, ProSoft Technology will repair or replace the module free of charge.

Technical Support: ProSoft Technology provides dedicated technical support to its customers. Their support team is available to assist with installation, configuration, and troubleshooting. Customers can contact the support team via phone, email, or through an online support portal.

Software Updates and Resources: ProSoft Technology regularly releases software updates for the MVI71 – DFNT module to improve its performance, add new features, and enhance compatibility. Customers can access these updates, as well as technical documentation, application notes, and user manuals, on the company’s website.