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ProSoft PLX51-PBM Modbus Communication Module for Allen-Bradley

Brand/Manufacturer: Prosoft

Order Number: PLX51-PBM

Type: Communications Module

Country of Origin: Sweden

Condition: Original Brand

Lead Time: Available in stock

Payment Term: 100% TT In Advance

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Description

The ProSoft PLX51-PBM is a Powerful Communications Module designed to seamlessly integrate Modbus devices into your Allen-Bradley systems. Whether you are looking to connect Modbus RTU or Modbus TCP/IP devices, this module offers flexibility, scalability, and reliability to meet the most demanding industrial automation requirements. Ideal for PLC-based systems, it enhances communication between Modbus devices and Rockwell Automation platforms, such as CompactLogix™ and ControlLogix™, ensuring smooth, fast, and dependable data transfer.

With a single-slot 1769-series form factor, the PLX51-PBM is designed to provide an easy-to-use solution for Modbus master/slave communication. It supports both RTU and TCP/IP modes, making it versatile for a variety of industrial automation applications. This communication module features LED indicators, configuration support, and easy-to-integrate software, reducing both configuration time and installation complexity.

Functional Highlights / Key Benefits / Main Features

  • Dual Mode Communication: The PLX51-PBM supports both Modbus RTU and Modbus TCP/IP, providing flexibility for different system integration needs.

  • Seamless Integration: This module is fully compatible with Rockwell Automation CompactLogix™ and ControlLogix™ systems, offering quick and easy integration.

  • Simplified Configuration: With built-in Add-on Profiles and configuration tools, setup is streamlined, minimizing both setup time and errors.

  • Powerful Data Handling: Supports fast and reliable data transfer between Modbus devices and your PLC system, ensuring consistent performance even in demanding environments.

  • Efficient Power Consumption: Designed with low power consumption, this module ensures efficiency without compromising performance.

  • Flexible Expansion: The PLX51-PBM supports the addition of multiple devices, scaling with your needs while maintaining robust communication.

Technical Data / Specifications

Parameter Specification
Module Type Modbus Communication Module
Form Factor Single-slot 1769-series module
Supported Protocols Modbus RTU, Modbus TCP/IP
Backplane Interface 1769 Rockwell backplane
LED Indicators Power, Status, Application Status, Network Activity
Configuration Tool ProSoft Configuration Builder
Power Supply 5V DC, 500 mA
Operating Temperature 0°C to 60°C (32°F to 140°F)
Storage Temperature -40°C to 85°C (-40°F to 185°F)
Humidity Range 5% to 95% (non-condensing)
Module Dimensions Standard 1769 module size
Serial Ports 2 RS-232/RS-485
Baud Rate Range (RTU mode) 110 to 115.2 kbps
Ethernet Ports (TCP/IP mode) 1 x RJ45 Ethernet port
SD Card Support SD/SDHC card (up to 4 GB)

Typical Applications / System Integration / Use Cases

The ProSoft PLX51-PBM is ideal for industrial automation systems where reliable and fast communication is required. Some typical applications and use cases include:

  • Factory Automation: The module can connect Modbus devices such as sensors, actuators, and control systems to Allen-Bradley PLCs, ensuring smooth data exchange.

  • Energy and Utility Systems: In energy plants, the module allows communication between Modbus devices like energy meters and control systems for accurate monitoring and control.

  • Process Control: Integrate Modbus-compatible equipment for continuous real-time data collection in manufacturing and process industries.

  • Building Automation: The PLX51-PBM helps integrate systems for HVAC, lighting control, and security devices via Modbus RTU or Modbus TCP/IP.

  • SCADA Systems: Used in SCADA systems, the module enables data collection from a variety of Modbus-enabled devices, enhancing operational control.

Support & Maintenance / Reliability & Service

  • Industry-Leading Support: ProSoft provides dedicated technical support to ensure smooth installation and help with any issues that may arise.

  • Easy Firmware Updates: The PLX51-PBM supports easy firmware updates, keeping your system current with the latest features and performance enhancements.

  • Comprehensive Documentation: Extensive user manuals, configuration guides, and troubleshooting resources are available for quick and efficient setup.

  • Reliable Performance: Built for industrial environments, the module is designed to operate consistently under challenging conditions, with low downtime and maintenance requirements.

FAQ

1. What is the ProSoft PLX51-PBM module used for?
The PLX51-PBM is a Modbus communication module that integrates Modbus RTU or Modbus TCP/IP devices into Allen-Bradley CompactLogix™ and ControlLogix™ systems.

2. What communication protocols does the PLX51-PBM support?
The module supports Modbus RTU (serial) and Modbus TCP/IP (Ethernet) protocols for versatile integration.

3. How does the PLX51-PBM module communicate with devices?
It communicates with devices using two RS-232/RS-485 serial ports (for RTU mode) or one Ethernet RJ45 port (for TCP/IP mode).

4. What are the power requirements for the PLX51-PBM module?
The module requires a 5V DC power supply with a maximum current consumption of 500 mA.

5. What is the operating temperature range of the PLX51-PBM?
The module operates in temperatures ranging from 0°C to 60°C (32°F to 140°F).

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Testimonials

Fast Delivery, Excellent Quality


We’ve worked with IndustriaX Limited on several urgent orders for automation components. Their ability to provide original, factory-sealed parts with full documentation—often from in-stock inventory—has significantly reduced our downtime. The delivery is consistently fast, and their logistics team is highly responsive. IndustriaX has become one of our most trusted global suppliers for industrial spare parts.

- Sarah Johnson

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Finding authentic automation parts has always been a challenge, especially for discontinued models. IndustriaX Limited has impressed us with their genuine stock, clear product traceability, and prompt updates. We’ve verified their shipments against OEM specs multiple times, and the results are flawless. They’re now our preferred sourcing partner for critical systems.

- David Smith

Professional Service with After-Sales Support

"IndustriaX Limited doesn’t just ship products—they provide solutions. When we encountered installation issues with one of the modules, their technical team replied in less than 4 hours and provided wiring guides and troubleshooting tips. This level of post-sale support is rare in the spare parts sector. Their professionalism gives us confidence in every order."

- Emily Brown

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We've tested multiple suppliers over the years, but IndustriaX Limited consistently stands out. Their product catalog is extensive, their team is knowledgeable, and they understand the urgency of industrial needs. With every order, we receive timely updates, fast delivery, and 100% genuine products. It’s rare to find such consistency and reliability in this field.

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