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Product Description
May 27, 2026

Product Description

The 3EX450.66-1 is a professional fieldbus module developed for B&R 2005 automation system, acting as a PROFIBUS DP master station. Equipped with galvanically isolated RS485 interface and an additional RS232 configuration port, it supports high-speed and stable data transmission. This module features strong anti-interference capability and complete diagnostic functions, which can perfectly connect the local control system with remote field devices under complex industrial operating conditions.

Description

Product Description

The 3EX450.66-1 is a professional fieldbus module developed for B&R 2005 automation system, acting as a PROFIBUS DP master station. Equipped with galvanically isolated RS485 interface and an additional RS232 configuration port, it supports high-speed and stable data transmission. This module features strong anti-interference capability and complete diagnostic functions, which can perfectly connect the local control system with remote field devices under complex industrial operating conditions.

Basic Information

  • Model: 3EX450.66-1

  • Manufacturer: B&R Industrial Automation

  • Series: 2005 System Fieldbus Module

  • Type: PROFIBUS DP Master Module

  • Interface Type: PROFIBUS DP (isolated RS485, 9-pin D-Sub), RS232 configuration port

  • Installation Method: Plug-in installation for B&R 2005 system backplane

  • Housing Material: Industrial grade plastic, UL94V-0 flame retardant

  • Protection Class: IP20

  • Weight: Approximately 0.55 kg

  • Dimensions: 115 × 70 × 170 mm

  • Certifications: CE, UKCA, cULus, EAC

Function and Positioning

Serving as a core PROFIBUS DP fieldbus module of the 2005 system, this product is positioned for industrial field network interconnection and data communication. It works as a master node to manage multiple PROFIBUS DP slave devices, realizing real-time data interaction between the main controller and distributed on-site equipment. The galvanic isolation design effectively avoids damage caused by surge voltage and electromagnetic interference. Multiple status indicator LEDs facilitate on-site inspection and fault troubleshooting. It is widely applied to expand bus network and realize distributed control for automation systems.

Core Performance Parameters

  • Communication Protocol: PROFIBUS DP

  • Maximum Connected Slaves: 125 units

  • Maximum Baud Rate: 12 Mbps

  • Effective Data Capacity: 3.5 KB input data, 3.5 KB output data

  • Isolation Performance: Galvanic isolation for fieldbus interface

  • Configuration Port Rate: Maximum 9.6 kbps (RS232)

  • Indicator Lights: Power, operation, bus communication, transceiving and diagnostic LEDs

  • Power Consumption: 1.1 W under 24 VDC power supply

  • Operating Temperature Range: 0 °C to +60 °C

  • Storage Temperature Range: -40 °C to +85 °C

  • Relative Humidity: 5% to 95%, non-condensing

General Compatible Accessories

  • System Backplane: B&R 2005 series BP2005 backplane

  • Matching Power Supply: B&R PS456, PS465 series 24 VDC industrial power supply

  • Connection Cables: Shielded PROFIBUS DP cables, RS232 configuration cables

  • Auxiliary Components: PROFIBUS DP bus termination resistors

  • Configuration Software: B&R dedicated fieldbus configuration tool

  • Spare Parts: Interface connectors, LED indicators, fixed mounting clips

Applicable Equipment Fields

This fieldbus module is applicable to various industrial automation scenarios that adopt PROFIBUS DP bus architecture:

  • Manufacturing Industry: Automotive production lines, machine tools, packaging and processing equipment

  • Process Industry: Chemical engineering, pharmaceutical production, water supply and drainage treatment systems

  • Building Automation: Large HVAC systems and intelligent building central control equipment

  • Energy Industry: Thermal power plants, new energy equipment and power grid monitoring systems

  • Logistics Industry: Automated warehouses, sorting equipment and conveying production lines

  • General Machinery: Textile machinery, printing machinery and plastic processing machinery


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