Bihl+Wiedemann BWU2798 Overview
The Bihl+Wiedemann BWU2798 is an AS-Interface safety monitor with 2 safe semiconductor outputs. It is used to monitor safety-related signals in an AS-Interface network and control its safe outputs according to the configured safety logic.
Product Detailed Description
Function:
Monitors safe input signals from the AS-Interface network (e.g., from safety sensors, emergency stop buttons).
Processes these safe input signals according to the configured safety functions (e.g., AND, OR, mutual exclusion).
Provides 2 safe semiconductor outputs (SIL3/PLe) for controlling safety-related actuators (e.g., safety relays, safety valves).
Supports configuration and diagnostics via the AS-Interface bus.
Integrated AS-Interface power supply for powering the AS-Interface network.
Features self-test and fail-safe functions.
Features:
Compact design for easy installation in control cabinets.
High safety level: SIL3 (EN 62061), PLe (EN ISO 13849-1).
2 safe semiconductor outputs, each configurable as high-side or low-side switch.
Supports single-channel and dual-channel safety sensors.
Safe communication via the AS-Interface Safety at Work protocol.
LED indicators for displaying device status and fault information.
Product Parameters
AS-Interface Specification:
Complies with AS-Interface Specification V3.0.
Safety Level:
SIL 3 (EN 62061).
PLe (EN ISO 13849-1).
Safe Inputs:
Receives safe input signals via the AS-Interface bus.
Safe Outputs:
2 safe semiconductor outputs.
Each output configurable as high-side or low-side switch.
Maximum output current: Varies depending on the model and configuration, please refer to the specific datasheet.
AS-Interface Power Supply:
Integrated AS-Interface power supply.
Output Voltage: 29.5 V DC (typical).
Maximum Output Current: Varies depending on the model, please refer to the specific datasheet.
Supply Voltage (Auxiliary Power):
24 V DC (typical).
Permissible Range: Varies depending on the model, please refer to the specific datasheet.
Power Consumption:
Varies depending on the model and load, please refer to the specific datasheet.
Connection Method:
AS-Interface: Screw terminals.
Power and Outputs: Screw terminals.
Protection Degree:
IP20.
Ambient Temperature:
Operating Temperature: -25 °C to +70 °C.
Storage Temperature: -40 °C to +85 °C.
Dimensions (W x H x D):
Varies depending on the model, please refer to the specific datasheet.
Mounting:
DIN rail mounting.
Certifications:
CE, UL, TÜV, etc. (please refer to the specific product manual).
Product Advantages
High Safety Level:
Meets SIL3 and PLe requirements, suitable for high-risk applications.
Integrated AS-Interface Power Supply:
Simplifies system design and wiring.
Flexible Output Configuration:
Each safe output can be configured as a high-side or low-side switch, adapting to different actuator requirements.
Easy Integration:
Simple and efficient integration via the AS-Interface bus.
Powerful Diagnostics:
Comprehensive diagnostic information via the AS-Interface bus and LED indicators.
Compact Design:
Saves space in the control cabinet.
Precautions
Correct Selection:
Select the appropriate model based on the application's safety level, the required number of safe inputs and outputs, and the AS-Interface network requirements.
Correct Installation:
Follow Bihl+Wiedemann's installation guidelines, ensuring the device is securely mounted and correctly wired.
Safety Circuit Design:
Integrate the BWU2798 into a safety circuit that complies with relevant safety standards.
Parameter Configuration:
Use appropriate configuration tools (e.g., ASi-Control) to correctly configure safety functions and output behavior.
AS-Interface Network:
Ensure the AS-Interface network complies with the specification requirements, including power supply, cables, and termination resistors.
Regular Inspection and Testing:
Regularly check the device's operating status and safety functions, and perform functional tests to ensure proper operation.
Follow Safety Regulations:
Always comply with relevant safety regulations when operating and maintaining systems containing the BWU2798.
Product Applications
The BWU2798 is suitable for various industrial automation fields requiring AS-Interface safety solutions, including but not limited to:
Machine Safety:
Monitoring safety gates, light curtains, and emergency stop buttons.
Controlling safety-related drives and actuators.
Conveyor Technology:
Safe stop and zone monitoring.
Packaging Machinery:
Safety interlocks and guards.
Process Automation:
Control of safety-related valves and actuators.
Robotics:
Safety zone monitoring and collaborative robot safety functions.
Shipping Port: China
Payment: Bank of Chicago, Bank of Singapore
Express cooperation: fedex, DHL, UPS and your express account
Service: Professional Sales provides 24 hours /7 days online service
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