PLX31-EIP-MBTCP | ProSoft Technology EtherNet/IP to Modbus TCP/IP Gateway

Product Description

The ProSoft PLX31-EIP-MBS gateway is designed to bridge EtherNet/IP networks with Modbus serial devices, ensuring seamless communication between automation systems. Built with industrial-grade isolation and robust environmental tolerance, it provides reliable performance in demanding applications.

Technical Specifications

Product Description

The ProSoft Technology PLX31-EIP-MBTCP gateway provides seamless integration between EtherNet/IP networks and Modbus TCP/IP devices. Designed for industrial automation environments, it supports multiple PLC families and communication protocols, ensuring reliable interoperability across legacy and modern systems.

Technical Specifications

• Manufacturer: ProSoft Technology

• Product Line: PLX Gateway Series

• Catalog Number / Model: PLX31-EIP-MBTCP

• Product Type: EtherNet/IP to Modbus TCP/IP Gateway

• Class 3 Server Connections: 5

• Class 3 Client Connections: 2 connected, 1 unconnected

• Class 1 I/O Connections: 2

• I/O Connection Sizes: 248/248

• Max RPI Time: 5 ms per connection

• Supported PLC Types: PLC-2, PLC-5, SLC, ControlLogix (CLX), CompactLogix (CMPLX), MicroLogix (MICROLX)

• Supported Message Types: PCCC and CIP

• CIP Services Supported:

• 0x4C – CIP Data Table Read

• 0x4D – CIP Data Table Write

• CIP Generic

• Command List: Up to 100 commands per client, configurable for type, IP address, register addressing, and word/bit count

• Command Sets Supported:

• PLC-2/PLC-3/PLC-5 Basic Command Set

• PLC-5 Binary Command Set

• PLC-5 ASCII Command Set

• SLC500 Command Set

Application Scenarios

• Bridging EtherNet/IP controllers with Modbus TCP/IP devices in mixed protocol environments

• Legacy system integration with modern PLCs

• High-speed industrial communication requiring low RPI times

FAQ

Q: How many Class 3 server connections are supported?  A: The gateway supports up to five Class 3 server connections.

Q: What PLC families are compatible?  A: PLC-2, PLC-5, SLC, ControlLogix, CompactLogix, and MicroLogix.

Q: How many commands can be configured per client?  A: Up to 100 configurable commands per client.

Comparison with Similar Models

• PLX31-EIP-MBTCP: EtherNet/IP to Modbus TCP/IP gateway with 5 Class 3 server connections.

• PLX31-EIP-MBS: EtherNet/IP to Modbus Serial gateway for RS-232/RS-485 integration.

• PLX32-EIP-MBTCP: Enhanced version with expanded Modbus TCP/IP connectivity.

• Manufacturer: ProSoft

• Product Line: PLX Gateway Series

• Catalog Number / Model: PLX31-EIP-MBS

• Product Type: EtherNet/IP to Modbus Serial Gateway

• Power Supply: 24 VDC nominal (10–36 VDC allowed)

• Current Load: 300 mA @ 24 VDC nominal; 610 mA max @ 10–36 VDC

• Operating Temperature: -25 °C to 70 °C (-13 °F to 158 °F)

• Storage Temperature: -40 °C to 80 °C (-40 °F to 176 °F)

• Vibration Resistance: IEC 60068-2-6; 5G @ 10–150 Hz

• Relative Humidity: 5–95% RH, non-condensing

• LED Indicators: CFG, ERR, PWR, FLT, NS, MS, Ethernet link/activity, RX/TX for serial communication

• Ethernet Port: 10/100 Mbit half-duplex RJ45, 1500 Vrms isolation, broadcast storm resiliency ≤ 5000 ARP frames/s for ≤ 5 min

• Serial Ports: 1 port, 2500 Vrms isolation per UL 1577 (SiliconLabs Si844x chipset)

• Dimensions (H × W × D): 13.67 × 5.05 × 11.13 cm

• Shipping Weight: 2 kg

Application Scenarios

• Integration of Modbus RTU devices into EtherNet/IP networks

• Bridging legacy serial equipment with modern Ethernet-based control systems

• Industrial automation requiring resilient communication under harsh conditions

FAQ

Q: What isolation levels are provided for Ethernet and serial ports?  A: Ethernet isolation is 1500 Vrms; serial port isolation is 2500 Vrms per UL 1577.

Q: How many serial ports are available?  A: The gateway includes one isolated serial port.

Q: What LED indicators are included?  A: Indicators cover configuration, error, power, fault, network status, module status, and communication activity.

Comparison with Similar Models

• PLX31-EIP-MBS: EtherNet/IP to Modbus Serial gateway with single serial port.

• PLX32-EIP-MBS: Dual-port version for expanded Modbus connectivity.

• PLX31-EIP-PNC: EtherNet/IP to Profinet gateway for mixed protocol environments.