May 27, 2026

B&R 3IF686.9 Interface Module (SYSTEM 2005 Series)

The 3IF686.9 is a high-performance Ethernet POWERLINK interface module from B&R’s SYSTEM 2005 series, designed as a dedicated communication co-processor for real-time industrial Ethernet networking. It provides one integrated Ethernet POWERLINK port with galvanic isolation, enabling high-speed, deterministic data exchange between the main controller, field devices, and higher-level automation systems. By offloading POWERLINK communication tasks, it optimizes system real-time performance and reliability in motion-centric and time-critical applications.

Description

B&R 3IF686.9 Interface Module (SYSTEM 2005 Series)

Product Introduction

Basic Information

Model: 3IF686.9
Brand: B&R (Bernecker + Rainer, ABB Group)
Series: SYSTEM 2005
Product Type: Ethernet POWERLINK Communication Interface Module
Interfaces: 1×Ethernet POWERLINK (galvanically isolated, RJ45)
Power Supply: 5 VDC from backplane bus
Power Consumption: Max 300 mA @ 5VDC
Dimensions: 70 mm × 20 mm × 130 mm
Weight: Approx. 0.12 kg
Protection Class: IP20
Operating Temperature: 0°C to +55°C
Storage Temperature: -25°C to +70°C
Certifications: CE, UL/cULus, EAC
Mounting: CPU (CP260) or IF260/IF060 interface slot

Function and Positioning

The 3IF686.9 functions as a POWERLINK-focused communication expansion module for SYSTEM 2005 series controllers, optimized for deterministic Ethernet networking and motion control integration. It independently handles POWERLINK protocol processing, data framing, and error checking to reduce CPU load and ensure precise synchronization. The isolated POWERLINK port supports both master and slave modes, enabling seamless connection to servo drives, I/O modules, and third-party POWERLINK devices. It acts as a high-speed bridge between the controller and real-time field networks, enhancing system scalability and interoperability in distributed automation architectures.

Core Performance Parameters

Supported Protocols: Ethernet POWERLINK (V2/V3), TCP/IP, UDP
Communication Speed: 100 Mbps (POWERLINK), 10/100 Mbps (TCP/IP)
Isolation Voltage: 2,500 VAC (between POWERLINK port and PLC)
Communication Distance: Up to 100 m per segment (CAT5e cable)
Data Buffers: Dedicated Tx/Rx buffers for real-time data
Status Indicators: LEDs for module status, POWERLINK activity, and error diagnosis
EMC Compliance: EN 61000-6-2, EN 61000-6-4
Vibration/Shock: Compliant with IEC 60068-2-6/27
Configuration: Via B&R Automation Studio V4.x and above

General Compatible Accessories

B&R SYSTEM 2005 series backplanes and 6/9/12/15-slots racks
B&R SYSTEM 2005 series CPU modules (CP260) and interface modules (IF260/IF060)
24 VDC industrial power supplies (0PS105.1, 0PS205.1)
Communication cables: Ethernet POWERLINK (CAT5e, 0G1001.00-090)
Terminal blocks for SYSTEM 2005 series I/O modules
B&R Automation Studio V4.x and above for programming and diagnosis
Application memory modules (2ME903.90-1) for program storage

Applicable Equipment Fields

Factory Automation: Automotive assembly lines, packaging machinery, machine tools
Motion Control: High-speed servo systems, multi-axis synchronization, robotics
Process Control: Food and beverage, pharmaceutical, and chemical processing
Industrial Networking: Real-time distributed I/O, SCADA integration, edge computing
Harsh Environments: Manufacturing workshops, high-vibration sites, electrical noise-intensive areas
General Automation: Any SYSTEM 2005 series application requiring deterministic Ethernet POWERLINK communication

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