Bihl+Wiedemann BWU2602 Integrated Safety Monitor

## 1. Product Overview

The BWU2602 belongs to the "Bihl+Wiedemann Safety at Work" series. It functions as a Single AS-i Master with an integrated Safety Monitor. This allows it to not only manage standard I/O data but also monitor safety-related components (like E-stop buttons and light curtains) directly on the AS-i network.

## 2. Technical Specifications (Parameters)

## 3. Key Product Advantages

• Integrated Safety Monitor: Combines a standard AS-i master and a safety monitor in one device, saving space in the control cabinet and reducing hardware costs.

• Dual Protocol Support: Seamlessly communicates with both Ethernet/IP (commonly used with Allen-Bradley/Rockwell PLCs) and Modbus TCP systems.

• Simplified Wiring: AS-i technology reduces wiring complexity significantly by using a single flat cable for power and data.

• Detailed Diagnostics: The built-in LCD screen provides instant troubleshooting information, such as duplicate address detection or earth faults, without needing a PC.

• High Safety Standards: Certified for use in high-risk environments, meeting SIL 3 (IEC 61508) and Performance Level e (EN ISO 13849-1).

## 4. Important Considerations (Precautions)

• Power Supply: Use only AS-i specific power supplies to ensure proper data decoupling on the yellow flat cable.

• Environment: Since it is IP20 rated, it must be installed inside a protected control cabinet (dust-free and dry).

• Configuration: Programming safety logic requires the ASIMON 360 software suite from Bihl+Wiedemann.

• Addressing: Ensure all AS-i slaves have unique addresses before commissioning to avoid communication conflicts.

## 5. Common Applications

The BWU2602 is widely used in automated manufacturing environments, particularly where safety and PLC communication are paramount:

1. Automotive Production Lines: Coordinating safety signals across robotic cells using Ethernet/IP.

2. Conveyor & Logistics: Managing hundreds of sensors and E-stops across long distances with minimal wiring.

3. Packaging Machinery: Integrating safety doors, light curtains, and standard I/O into a compact control system.

4. Food & Beverage: Using the Modbus TCP interface for monitoring and data logging in processing plants.

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