Description
🔹 Product Overview
The ProSoft PLX31-MBTCP-MBS4 is a four-port industrial communication gateway designed to provide high-speed, bi-directional data exchange between Modbus TCP/IP networks and Modbus Serial devices.
The gateway is particularly useful when modern Ethernet-based automation systems need to communicate with existing serial equipment such as power monitors, SCADA devices, flow computers, controllers, and other Modbus RTU/ASCII equipment. Its four serial communication ports can support connectivity for up to 400 Modbus Serial devices, helping reduce the number of gateways required in large distributed automation systems.
⚙️ Product Datasheet
🏷️ Brand: ProSoft Technology
🔢 Model: PLX31-MBTCP-MBS4
📋 Product Name: Modbus TCP/IP to Modbus Serial Gateway
🖥️ Series: PLX31 / PLX30 Gateway Family
⚙️ Product Type: Industrial Communication Gateway
🌐 Ethernet Protocol: Modbus TCP/IP
🔌 Serial Protocol: Modbus Serial
📡 Number of Serial Ports: 4
🔗 Maximum Serial Device Connectivity: Up to 400 Modbus Serial devices
💾 Configuration Storage: SD card slot for configuration backup and recovery
🧠 Data Capacity: Up to 10,000 16-bit registers for data exchange
🔄 Network Connections: Supports multiple simultaneous client and server connections
🛡️ Serial Port Isolation: 2500 Vrms signal isolation per serial communication port
📐 Installation: DIN-rail mounted industrial gateway
🌡️ Operating Environment: Designed for industrial automation applications
✨ Condition: New Surplus / surplus stock availability depends on the supplied unit
📦 Included Accessories: Power connector, screwdriver, RJ45-to-DB9M serial adapter cables, and DB9 terminal adapters are supplied with the standard unit package.
🔧 Main Features
• Provides communication between Modbus TCP/IP and Modbus Serial networks
• Four serial ports allow multiple serial devices to be connected through one gateway
• Supports high-speed bi-directional data transfer
• Can connect modern Ethernet-based automation systems with legacy Modbus Serial equipment
• Supports configuration backup through an optional SD card
• Allows disaster recovery by transferring stored configuration data to another compatible gateway
• Supports up to 10,000 16-bit registers for large data exchange applications
• Supports multiple simultaneous client and server connections
• Includes isolated serial communication ports for improved industrial network reliability
• Designed for DIN-rail installation in industrial control panels
• Suitable for SCADA, power monitoring, process control, manufacturing, and distributed automation systems
❓ Frequently Asked Questions
🔸 Q1: What is the main purpose of the PLX31-MBTCP-MBS4?
The gateway converts and manages communication between Modbus TCP/IP Ethernet networks and Modbus Serial devices, allowing equipment using different communication interfaces to exchange data.
🔸 Q2: How many serial ports does this model have?
The PLX31-MBTCP-MBS4 has four serial communication ports, allowing multiple Modbus Serial devices or networks to be connected through one gateway.
🔸 Q3: Can it communicate with SCADA systems?
Yes. The gateway can be used in applications involving Modbus TCP/IP-enabled SCADA systems and Modbus Serial field devices.
🔸 Q4: Can this gateway connect power meters and monitoring equipment?
Yes. It is suitable for integrating Modbus Serial power monitors and similar devices into a Modbus TCP/IP network.
🔸 Q5: Does the gateway support configuration backup?
Yes. The unit includes an SD card slot that can be used with an optional SD card for configuration storage and recovery.
🔸 Q6: What should be checked before installation?
Verify the Ethernet network configuration, IP addressing, Modbus communication parameters, serial interface settings, baud rate, parity, stop bits, device addresses, and register mapping.
🔸 Q7: Can one gateway replace several single-port communication gateways?
In many applications, yes. Because the PLX31-MBTCP-MBS4 provides four serial ports, it can reduce the number of individual gateways required when several Modbus Serial networks need to communicate with the same Ethernet infrastructure.
🔸 Q8: Is this gateway suitable for industrial control cabinets?
Yes. The PLX31 platform is designed for industrial automation environments and DIN-rail installation.
🔹 Recommended ProSoft Models
- ProSoft PLX31-MBTCP-MBS – Modbus TCP/IP to Modbus Serial Gateway
- ProSoft PLX31-EIP-MBS4 – EtherNet/IP to Modbus Serial 4-Port Gateway
- ProSoft PLX31-EIP-MBTCP – EtherNet/IP to Modbus TCP/IP Gateway
- ProSoft PLX31-PND-MBS4 – PROFINET Device to Modbus Serial 4-Port Gateway
- ProSoft PLX31-EIP-ASCII4 – EtherNet/IP to ASCII 4-Port Gateway
- ProSoft PLX31-EIP-PND – EtherNet/IP to PROFINET Gateway
- ProSoft PLX31-MBTCP-ASCII – Modbus TCP/IP to ASCII Communication Gateway
- ProSoft PLX30 Series – Industrial Ethernet and Serial Gateway Family
- ProSoft MVI56E-MNET – Modbus TCP/IP Communication Module
- ProSoft MVI69E-MBTCP – CompactLogix Modbus TCP/IP Communication Module
⚠️ Note: Before replacement or installation, confirm the complete model number PLX31-MBTCP-MBS4, communication architecture, serial port configuration, Modbus addressing, and firmware compatibility with the existing automation system.
