PROSOFT PLX31-EIP-MBTC
The ProSoft PLX31-EIP-MBTC is an industrial-grade communication gateway that provides seamless protocol conversion between EtherNet/IP™ (ENIP) and Modbus TCP/IP (MBTCP). It is designed to connect EtherNet/IP-enabled controllers (such as Allen‑Bradley PLCs) with Modbus TCP/IP devices (including Schneider and Siemens PLCs), enabling high-speed, bidirectional data exchange across different automation systems.
1. Key Specifications
| Parameter | Description |
|---|---|
| Power Supply | 24 VDC nominal (10–36 VDC acceptable) |
| Communication Port | RJ45 10/100 Mbps Ethernet |
| Operating Temperature | -25°C to 70°C |
| Storage Temperature | -40°C to 80°C |
| Dimensions | 5.38 x 1.99 x 4.38 inches (approx. 136.65 x 50.5 x 111.2 mm) |
| Data Processing | Supports up to 160 configurable Client commands |
| Status Data | Error codes reported individually for each command |
| Modbus Function Codes | Supports standard codes including 1, 2, 3, 4, 5, 6, 15, 16, 22, 23 |
| Security Features | RADIUS authentication and advanced encryption for network security |
2. Key Features
- Multi-Protocol BridgingSpecifically designed for data conversion between EtherNet/IP and Modbus TCP/IP, solving interoperability challenges between devices from different manufacturers.
- High‑Performance Data TransferIntegrated high-speed Modbus drivers and flexible client/server functionality deliver faster data throughput and reduced latency.
- Configurable Data PrioritizationAllows users to set data priorities, optimizing network bandwidth usage and ensuring real‑time transmission of critical information.
- Conformal Coating OptionAvailable with conformal coating for enhanced resistance to corrosion and environmental hazards, suitable for harsh industrial conditions.
- Advanced SecurityBuilt-in RADIUS authentication and encryption help prevent unauthorized access and ensure secure communication.
- Flexible Command ConfigurationSupports up to 160 fully configurable Client commands, enabling customized data mapping and flexible integration with various devices.

3. Structure & Composition
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Power Supply ModuleProvides stable 24 VDC input with a wide operating range (10–36 VDC).
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Communication InterfaceRJ45 port for connection to Ethernet networks.
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Internal CPU & Processing ChipResponsible for protocol parsing, data mapping, and fast data forwarding.
- Connection TerminalsFor connecting external sensors or actuators, depending on the specific model configuration.
4. Application Areas
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Cross-Vendor PLC CommunicationConnects Allen‑Bradley (ENIP) and Schneider/Siemens (Modbus) PLCs to enable seamless data sharing.
- HMI/SCADA IntegrationIntegrates data from EtherNet/IP devices into Modbus-based SCADA systems.
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Sensor NetworksConnects EtherNet/IP-enabled smart sensors with Modbus control networks.
- Data Acquisition & MonitoringServes as a central protocol conversion node in complex industrial automation systems.
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Main brand
ABB Allen-Bradley Alstom Bently Emerson Foxboro
GE MOOG Schneider Woodward HIMA Honeywel Triconex & more
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