PLX51-PBS | ProSoft Allen Bradley PROFIBUS DP Slave Gateway Module

Product Description

The PLX51-PBS gateway from ProSoft Technology is designed to connect PROFIBUS DP networks with EtherNet/IP, Modbus TCP/IP, or Modbus Serial systems. Operating as a PROFIBUS DP slave, it enables seamless data exchange between legacy PROFIBUS devices and modern Ethernet-based controllers.

Key Specifications

• Manufacturer: Allen Bradley / ProSoft Technology

• Model: PLX51-PBS

• Product Type: Communication Gateway Module

• Supported Interfaces: PROFIBUS DP, EtherNet/IP, Modbus TCP/IP, Modbus Serial

• Slave Nodes: Up to 10 emulated PROFIBUS DP slaves

• Diagnostic Tools: Built-in PROFIBUS DP packet capture utility

• Ethernet Ports: Dual ports with Device Level Ring (DLR) topology support

• Cyclic I/O Data: Up to 1536 bytes

• Data Mapping: Automatic mapping of PROFIBUS DP data points to Modbus registers

• Baud Rate: PROFIBUS DP (9600 bps–12 Mbps), Modbus Serial (1200 bps–115,200 bps)

• Ethernet Speed: 10/100 Mbps, full/half duplex, auto-negotiation

• Power Supply: 10–36 VDC

• Power Consumption: 85 mA @ 24 VDC (2.04 W)

• Operating Temperature: –20°C to +70°C

• Protection Rating: IP20

• Dimensions: Height 149 mm × Width 34 mm × Depth 116 mm

• Environmental Protection: Optional conformal coating for harsh environments

Core Features

• PROFIBUS DP slave functionality with multiple emulated nodes

• Dual Ethernet ports for flexible network topologies

• Integrated diagnostics for troubleshooting and monitoring

• Automatic Modbus register mapping for simplified configuration

• Compact design with IP20 protection and optional conformal coating

Application Scenarios

• Bridging PROFIBUS DP devices into EtherNet/IP or Modbus networks

• SCADA and distributed control systems requiring protocol conversion

• Industrial automation environments needing PROFIBUS slave emulation

FAQ

• Q: How many PROFIBUS slave nodes can be emulated?  A: Up to 10 slave nodes.

• Q: Does the module support diagnostics?  A: Yes, it includes a built-in PROFIBUS DP packet capture utility.

• Q: What cyclic I/O data capacity is supported?  A: Up to 1536 bytes.

Comparison with Similar Modules

• PLX32-EIP-MBTCP: EtherNet/IP to Modbus TCP/IP gateway.

• MVI56-PDPMV1: PROFIBUS DPV1 Master module for ControlLogix systems.

• PS69-DPM: PROFIBUS DPV1 Master module for CompactLogix systems.