Bihl+Wiedemann BWU2267 AS-i Module

Product Overview

The Bihl+Wiedemann BWU2267 is an AS-i 3 EtherNet/IP + Modbus TCP Gateway with integrated Safety Monitor. It is used to connect AS-Interface (AS-i) field devices such as sensors, actuators, and safety devices to higher-level PLC control systems through EtherNet/IP or Modbus TCP communication.

The module integrates dual AS-i masters and safety monitoring functions, making it suitable for industrial automation systems requiring both standard AS-i communication and safety control.

Main Specifications

• Manufacturer: Bihl+Wiedemann
• Model: BWU2267
• Product Type:
  • AS-i Gateway Module
  • AS-i Master Gateway
  • Integrated Safety Monitor
• AS-i Version: AS-i 3
• Fieldbus Interface: EtherNet/IP + Modbus TCP
• Number of AS-i Masters: 2
• AS-i Networks: 2 independent AS-i circuits
• Mounting: DIN rail mounting
• Protection Rating: IP20

Technical Specifications

Functions

The BWU2267 provides:

• AS-i network management
• Communication between AS-i devices and PLC
• Safety monitoring functions
• Emergency stop and safety door monitoring
• AS-i fault diagnostics
• Ethernet-based configuration and maintenance

Working principle:

AS-i Sensors / Actuators → BWU2267 Gateway → EtherNet/IP or Modbus TCP → PLC Controller

Features & Advantages

• Original Bihl+Wiedemann AS-i gateway solution
• Integrated safety monitor reduces additional safety hardware
• Supports EtherNet/IP and Modbus TCP communication
• Dual AS-i master design for larger networks
• Supports safety applications up to PL e / SIL 3
• Built-in AS-i diagnostics improve troubleshooting efficiency
• Compact DIN rail installation
• Suitable for industrial continuous operation

Applications

Used in:

• Factory automation systems
• Automotive production lines
• Packaging machinery
• Conveyor systems
• Assembly equipment
• Safety control systems
• Industrial robot cells

Typical applications:

• Safety door monitoring
• Emergency stop circuits
• Distributed sensor and actuator control
• Machine safety networking