PLX32-EIP-MBTCP | Allen-Bradley ProSoft Technology EtherNet/IP to Modbus TCP/IP Gateway

The ProSoft PLX32-EIP-MBTCP is an EtherNet/IP to Modbus TCP/IP communications gateway. It enables high-speed, bi-directional data transfer between Rockwell Automation PACs and Schneider Electric PACs. This module simplifies network integration by connecting devices on separate subnets without needing to reconfigure IP addresses. Its features also include support for multiple client and server functionality. This makes it an ideal solution for integrating diverse industrial automation systems.

The PLX32-EIP-MBTCP acts as a bridge between EtherNet/IP and Modbus TCP/IP networks. It features two separate Ethernet ports that allow each protocol to reside on its own subnet. This enables data transfer without reassigning IP addresses, simplifying configuration. The module supports multiple I/O connections, allowing users to set RPIs for status and control data. Its embedded EDS Add-On Profile streamlines integration and reduces commissioning time.

The PLX31 and PLX32 are both industrial communication gateways from ProSoft Technology that bridge different industrial protocols (e.g., EtherNet/IP and Modbus TCP/IP). Here’s how they differ:

Ethernet Ports:

• PLX31: Has one Ethernet port that handles both protocols on the same network. Both EtherNet/IP and Modbus TCP/IP share the same subnet and IP address.
• PLX32: Equipped with two separate Ethernet ports (P1 and P2). Each port supports one protocol on its own subnet. These subnets must be different, which allows for better traffic isolation and security.
  

Subnet Requirements:

• PLX31: Both protocols operate on the same subnet — simpler configuration but less flexible in larger networks.
• PLX32: Designed for scenarios requiring network segmentation, where each protocol operates on its own subnet, enhancing isolation and performance.
  

Configuration:

• PLX31: Configuration is performed through its single Ethernet port.
• PLX32: Configuration can only be performed through port P1. The ProSoft Discovery Service tool recognizes only P1 for assigning IP addresses; port P2 cannot be configured using this tool.

In summary, PLX31 is the simpler option for unified network setups, while PLX32 offers advanced features like subnet separation and multiple Ethernet ports — making it a better fit for modern, segmented industrial networks where isolation and security are critical.

The PLX32-EIP-MBTCP is designed to comply with standard industrial automation certifications. While specific certifications may vary, it is built to meet CE marking requirements for European compliance and electromagnetic compatibility. It also follows UL standards for industrial control equipment.

Yes, the ProSoft PLX32-EIP-MBTCP is still an active product and available for purchase. Although its lifecycle status might be subject to component availability and future lifecycle changes, it is currently supported by ProSoft Technology.