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Product Description
May 27, 2026

Product Description

The 3IF661.9 is a plug-in communication module for B&R SYSTEM 2005. It is equipped with one galvanically isolated RS485 interface and operates as a PROFIBUS DP slave. Featuring surge protection and superior anti-interference capability, it ensures stable and continuous data transmission in industrial environments. This module effectively expands the fieldbus communication capacity of the control system and realizes reliable connection with various PROFIBUS-compatible field devices.

Description

Product Description

The 3IF661.9 is a plug-in communication module for B&R SYSTEM 2005. It is equipped with one galvanically isolated RS485 interface and operates as a PROFIBUS DP slave. Featuring surge protection and superior anti-interference capability, it ensures stable and continuous data transmission in industrial environments. This module effectively expands the fieldbus communication capacity of the control system and realizes reliable connection with various PROFIBUS-compatible field devices.

Basic Information

  • Model: 3IF661.9

  • Manufacturer: B&R Industrial Automation

  • Series: SYSTEM 2005 Communication Module

  • Type: PROFIBUS DP Slave Communication Module

  • Installation: Plug-in design, compatible with slots of 2005 series CPU and interface modules

  • Galvanic Isolation: 2.5 kV isolation for the communication channel

  • Protection Class: IP20 after complete installation

  • Weight: Approximately 0.12 kg

  • Dimensions: 127 × 76 × 25 mm

  • Certifications: CE, cULus, EAC

Function and Positioning

This module serves as a professional fieldbus expansion unit for industrial control systems. It connects the main controller to PROFIBUS DP networks and communicates with master stations, drives, sensors and other field devices. It supports standard PROFIBUS DP protocol and multi-drop network structure. The isolation design effectively blocks electromagnetic interference on site and guarantees signal integrity. It relieves the communication load of the main CPU, improves overall system efficiency, and acts as an essential link for system networking and equipment interconnection.

Core Performance Parameters

  • Communication Interface: 1 D-Sub 9-pin RS485 port

  • Working Mode: PROFIBUS DP Slave

  • Maximum Baud Rate: 12 Mbps for PROFIBUS DP, 115.2 kBaud for conventional RS485 communication

  • Serial Default Setting: 8 data bits, 1 stop bit, no parity

  • Status Indicators: LED lights for data transmission, reception and network fault alarm

  • Bus Termination: Built-in switchable termination resistor

  • Power Supply: 5 VDC supplied by the system backplane

  • Power Consumption: Maximum 1.5 W

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

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

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

  • Maximum Transmission Distance: 1200 meters at low baud rate

General Compatible Accessories

  • Host Modules: B&R 2005 series CPU modules, 3IF060.6 and 3IF260.60-1 interface modules

  • System Backplane: B&R BP2005 series backplane

  • Connection Cables: Shielded PROFIBUS cables and RS485 twisted-pair cables

  • Peripheral Devices: PROFIBUS master controllers, servo drives, frequency converters, encoders and industrial sensors

  • Configuration Software: B&R Automation Studio for parameter configuration, network debugging and device diagnosis

  • Spare Parts: D-Sub connectors, mounting fasteners and bus terminators

Applicable Equipment Fields

This communication module is suitable for industrial automation applications requiring PROFIBUS DP communication. It is widely used in automated production lines, CNC machine tools and robotic systems. It also applies to packaging machinery, textile machinery, printing equipment and plastic processing machinery. In addition, it can be deployed in pharmaceutical production lines, food processing equipment, energy facilities and distributed industrial monitoring and control systems.


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