Schneider VW3A3720 EtherNet/IP & Modbus TCP Communication Module
Schneider VW3A3720 EtherNet/IP & Modbus TCP Communication Module
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Brand:Schneider PLC Item No.: VW3A3720 Product Origin:France Product Dimensions:110 × 66.8 × 50 mm Product Weight:0.36 kg Payment:T/T, Western Union, Credit Card Goods_stock:15 Shipping Port:Xiamen, China Lead Time:1-3 Days Condition:Brand New And Original Warranty:1 Year Certificate:COO
The Schneider VW3A3720 EtherNet/IP & Modbus TCP Communication Module is a plug-in communication accessory that expands compatible Altivar variable speed drives with Industrial Ethernet connectivity. Supporting both EtherNet/IP and Modbus TCP, it enables reliable high-speed communication for drive control, diagnostics, monitoring, and parameter management.
Designed for modern automation systems, the module features dual 10/100 Mbps RJ45 Ethernet ports with daisy-chain capability, reducing installation costs and simplifying network architecture. An integrated web server provides convenient browser-based access for configuration, firmware upgrades, diagnostics, and energy monitoring, making the VW3A3720 an excellent solution for OEM machine builders, system integrators, and industrial automation engineers.
Technical Specifications
Specification
Details
Manufacturer
Schneider Electric
Model
VW3A3720
Product Family
Altivar
Product Type
EtherNet/IP & Modbus TCP Communication Module
Communication Protocols
EtherNet/IP, Modbus TCP
Ethernet Speed
10/100 Mbps
Ethernet Ports
2 × RJ45
Network Topology
Daisy Chain
Exchange Mode
Half Duplex / Full Duplex
Network Features
Auto-MDIX, SNMP, FTP, RSTP, IPv6, SNTP
Embedded Web Server
Yes
Compatible Drives
Altivar Process ATV600/ATV900, Altivar Machine Series and other supported Altivar drives
Installation
Plug-in Communication Module
Power Supply
Powered by Drive
Mounting
Internal Option Slot
Product Weight
Approx. 0.48 kg
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Where It Excels in Industrial Use
• Industrial Ethernet Connectivity
The Schneider VW3A3720 is an EtherNet/IP and Modbus TCP communication module designed for compatible Altivar variable speed drives. It enables seamless integration of drives into Industrial Ethernet networks for high-speed control, monitoring, diagnostics, and parameter management.
• Distributed Automation Systems
Ideal for packaging machinery, conveyor systems, pumping stations, HVAC equipment, material handling systems, and process automation applications where Ethernet-based communication is required.
• Daisy Chain Network Architecture
Featuring two RJ45 Ethernet ports, the module supports daisy-chain topology, reducing network cabling requirements and simplifying installation in multi-drive systems.
• Industrial Drive Monitoring and Diagnostics
The embedded web server allows engineers to monitor drive status, configure parameters, perform diagnostics, back up configurations, and update firmware remotely over Ethernet.
Key Strengths at a Glance
• Dual Ethernet Protocol Support
Supports both EtherNet/IP and Modbus TCP communication for integration with a wide range of PLCs and industrial control systems.
• Dual RJ45 Ethernet Ports
Provides two 10/100 Mbps RJ45 Ethernet ports supporting daisy-chain network topology and Auto-MDIX functionality.
• Embedded Web Server
Offers browser-based configuration, diagnostics, drive monitoring, firmware upgrades, energy monitoring, and parameter backup/restore.
• Industrial Network Features
Supports SNTP time synchronization, SNMP network management, FTP services, RSTP redundancy, IPv6 networking, and EtherNet/IP implicit messaging.
Technical FAQs
1. What is the Schneider VW3A3720?
The VW3A3720 is an EtherNet/IP and Modbus TCP communication module for compatible Schneider Electric Altivar variable speed drives.
2. Which communication protocols are supported?
The module supports EtherNet/IP and Modbus TCP protocols.
3. What Ethernet speed does it support?
It supports 10 Mbps and 100 Mbps Ethernet communication with half-duplex and full-duplex operation.
4. How many Ethernet ports are available?
The module includes two RJ45 Ethernet ports supporting daisy-chain networking.
5. Which drive families are compatible?
Compatible products include Altivar Process ATV600, Altivar Process ATV900, Altivar Machine ATV340, Altivar Machine ATV320, and other supported Altivar drive families.
6. Does the module include a web server?
Yes. An embedded HTTP web server provides remote configuration, diagnostics, firmware updates, parameter backup, and drive monitoring.
7. What network topology is supported?
The VW3A3720 supports daisy-chain Ethernet topology, allowing multiple drives to be connected with reduced network cabling.
8. Does the module support time synchronization?
Yes. It supports SNTP (Simple Network Time Protocol) for network time synchronization.
9. Is an external power supply required?
No. The communication module is powered directly through the compatible Altivar drive after installation.
10. What are the typical applications?
Typical applications include industrial automation, pumping systems, HVAC, water treatment, conveyors, packaging machinery, manufacturing equipment, and process control systems using Industrial Ethernet.
