PLX31-MBTCP-MBS4

Overview of ProSoft Technology PLX31-MBTCP-MBS4

The ProSoft Technology PLX31-MBTCP-MBS4 is a specialized communication gateway engineered for industrial automation environments where seamless data exchange between Modbus TCP/IP and Modbus Serial devices is essential. This four-port module enables fast, bi-directional transfer of data between Modbus TCP/IP-enabled PACs (Programmable Automation Controllers) and up to 400 Modbus Serial devices. The gateway is widely implemented in industries utilizing SCADA systems, power monitoring, and energy management, offering streamlined integration that minimizes the need for multiple gateways. Integration is further accelerated by features like SD card–based configuration backup for disaster recovery and ProSoft Discovery Service, which facilitates easy network identification and IP address configuration. Its reliability, broad protocol compatibility, and high device density help reduce installation complexity and maintenance time, meeting the operational demands of modern industrial automation systems.

Key Features of ProSoft Technology PLX31-MBTCP-MBS4

• Supports up to 400 Modbus Serial devices via four serial ports, minimizing gateway requirements
• Enables up to 20 simultaneous client and server connections for maximum data throughput
• SD card slot for storage of configuration files and disaster recovery operations
• ProSoft Discovery Service allows detection and IP changes outside the local subnet
• Secure configuration via hardware switch (v1.04+)
• DIN rail mounting, compact IP20 enclosure
• IEC-compliant shock and vibration resistance

Technical Specs of PLX31-MBTCP-MBS4

• Power Supply: 24 VDC nominal (10–36 VDC range), 300 mA nominal, 610 mA max
• Operating Temp: -25°C to 70°C, Storage: -40°C to 80°C
• Humidity: 5%–95% non-condensing
• Dimensions: 5.38 x 1.99 x 4.38 in (13.67 x 5.05 x 11.13 cm)
• Serial Ports: 4 (RS232/RS422/RS485), 2500 Vrms isolation
• Ethernet Port: 10/100Mbps, RJ45 connector, 1500 Vrms isolation
• Protocol Support: Modbus TCP/IP, Modbus RTU/ASCII
• LED indicators for status, configuration, errors, and network activity

Applications / Use Case

The PLX31-MBTCP-MBS4 is used where robust industrial connectivity is vital, such as integrating Modbus-capable PACs or DCS systems with Modbus Serial end devices—including power meters, flow computers, RTUs, and various process instrumentation. Ideal for SCADA networks, substations, water treatment, and energy systems, this gateway streamlines communications in both new and retrofit applications. Its multi-port design supports high device density, minimizing equipment footprint in control panels. Commissioning time is reduced by tools that facilitate configuration and network integration, allowing engineering teams to efficiently expand or modify their control architecture without disrupting critical operations. This makes the PLX31-MBTCP-MBS4 a preferred choice for large plants, distributed systems, or facilities requiring unified data collection and centralized monitoring.

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