Bihl+Wiedemann BWU1345 Security Monitor

Bihl+Wiedemann BWU1345 Overview

The Bihl+Wiedemann BWU1345 is an AS-Interface safety monitor with 4 safe inputs and 2 safe semiconductor outputs. It is used for monitoring safety sensors and actuators and is a key component in building automation systems that comply with safety standards.

Product Detailed Description

• Function:

• Monitors connected safety input devices (e.g., safety switches, safety sensors).

• Evaluates input signals according to the configured safety functions.

• Controls safe semiconductor outputs to safely activate or deactivate actuators.

• Communicates via the AS-Interface bus, transmitting safety-related data and diagnostic information.

• Supports various safety functions such as emergency stop, safety gate monitoring, two-hand control, etc.

• Features:

• 4 safe digital inputs.

• 2 safe semiconductor outputs (high-side switching).

• Safe communication via AS-Interface (Safety at Work).

• Compact dimensions for easy installation in control cabinets.

• LED indicators for displaying device status and fault information.

• Parameter configuration via AS-Interface.

• Complies with safety standards such as EN ISO 13849-1 (up to PLe) and IEC 61508 (up to SIL 3).

Product Parameters

• Safe Inputs:

• Quantity: 4

• Type: PNP/NPN configurable

• Safe Outputs:

• Quantity: 2

• Type: Safe semiconductor outputs (high-side switching)

• Max. Current: Depends on the model and specific application, please refer to the datasheet.

• AS-Interface:

• Version: AS-Interface Safety at Work

• Slave Type: Safety Monitor

• Power Supply:

• Supplied via the AS-Interface bus.

• Operating Voltage:

• Typically 26.5 - 31.6 V DC (from AS-Interface power supply).

• Ambient Temperature:

• Operating Temperature: Typically -25 °C to +70 °C.

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

• Protection Class:

• Typically IP20.

• Mounting:

• DIN rail mounting.

• Dimensions:

• Dimension information can be found in the official Bihl+Wiedemann product manual.

• Safety Integrity Level:

• EN ISO 13849-1: PLe, Category 4

• IEC 61508: SIL 3

• For detailed parameters, please refer to the official Bihl+Wiedemann product manual.

Product Advantages

• High Safety:

• Complies with the highest safety standards (PLe/SIL 3), suitable for safety-critical applications.

• Reliability:

• Robust industrial design ensures reliable operation in harsh environments.

• Easy Integration:

• Simple integration and communication via the AS-Interface bus.

• Flexibility:

• Configurable safety functions to adapt to different application requirements.

• Diagnostic Functions:

• Detailed diagnostic information for easy troubleshooting and maintenance.

• Cost-Effective:

• Reduced wiring effort and costs through AS-Interface.

Precautions

• Correct Installation:

• Follow Bihl+Wiedemann's installation guidelines.

• Safe Wiring:

• Wiring of safe inputs and outputs must comply with relevant safety standards and regulations.

• Parameter Configuration:

• Correctly configure safety functions and parameters to ensure safe system operation.

• AS-Interface Network:

• Ensure correct installation and power supply of the AS-Interface network.

• Regular Inspection:

• Regularly check the functionality of the safety monitor and its connected safety devices.

• Compliance with Safety Standards:

• Relevant safety standards and regulations must be followed when designing and using safety systems.

Product Applications

• Mechanical Engineering:

• Safety gate monitoring, emergency stop circuits, two-hand control systems.

• Automation Technology:

• Robot safety, safety of conveyor systems.

• Packaging Machinery:

• Safety monitoring in packaging processes.

• Other Safety-Critical Applications:

• Any industrial field requiring compliance with high safety integrity levels.

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