Description
🔹 Product Description
The PROSOFT PLX31-MBTCP-MBS is an industrial communication gateway designed to connect Modbus TCP/IP Ethernet networks with Modbus Serial networks. It provides protocol conversion between Ethernet-based Modbus TCP devices and serial Modbus RTU/ASCII equipment, allowing different automation devices to exchange data within industrial control systems.
The PLX31-MBTCP-MBS belongs to the ProSoft Technology PLX31 communication gateway family and is designed for industrial automation applications requiring reliable network integration. It can be used to connect PLC systems, remote I/O devices, instruments, meters, drives, and other Modbus-compatible equipment.
With dual communication capability, the module helps simplify system integration by allowing legacy serial devices to communicate with modern Ethernet-based control platforms. It is suitable for factory automation, process control, energy systems, and infrastructure applications.

PLX31-MBTCP-MBS
📋 Product Datasheet
• Brand: PROSOFT TECHNOLOGY
• Model: PLX31-MBTCP-MBS
• Series: PLX31 Communication Gateway Series
• Product Name: Modbus TCP/IP to Modbus Serial Gateway
• Product Type: Industrial Protocol Converter
• Ethernet Interface: Modbus TCP/IP
• Serial Interface: Modbus RTU/ASCII
• Communication Ports: Ethernet + Serial Communication
• Application: PLC and Industrial Network Integration
• Mounting Type: DIN Rail Mount
• Power Supply: 10–36 VDC
• Dimensions: Approx. 110 × 35 × 90 mm
• Weight: Approx. 0.25 kg
• Origin: United States
• Condition: New / Used Condition To Be Confirmed
🔧 Key Features
• Converts Modbus TCP/IP Ethernet communication to Modbus serial communication
• Supports integration of Ethernet and RS communication devices
• Designed for industrial automation networks
• DIN rail mounting for control cabinet installation
• Provides reliable data exchange between different Modbus devices
• Suitable for PLC, RTU, SCADA, and industrial control applications
• Supports legacy device integration into modern Ethernet systems
• Useful for automation upgrades and network expansion projects
⚙️ Application
The PROSOFT PLX31-MBTCP-MBS is designed for industrial communication applications where Modbus TCP/IP devices need to exchange data with Modbus serial equipment. It is commonly used in automation systems that combine modern Ethernet controllers with existing serial field devices.
Typical applications include PLC communication, SCADA systems, remote monitoring, energy management, water treatment systems, manufacturing equipment, and process automation installations.
For replacement applications, verify the complete model number, firmware version, communication settings, serial parameters, Ethernet configuration, wiring method, and connected devices before installation.
❓ FAQ
Q1: What is the PROSOFT PLX31-MBTCP-MBS?
A: It is an industrial gateway that converts Modbus TCP/IP communication to Modbus serial communication.
Q2: Which protocols does it support?
A: It supports Modbus TCP/IP and Modbus RTU/ASCII communication.
Q3: What is the main purpose of this module?
A: It allows Ethernet-based control systems to communicate with serial Modbus devices.
Q4: Where is this gateway commonly used?
A: It is used in PLC systems, SCADA networks, industrial automation, energy systems, and process control applications.
Q5: What should be checked before installation?
A: Confirm communication protocol settings, IP configuration, serial parameters, wiring connections, power supply, and connected equipment compatibility.
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