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Bihl+Wiedemann BWU3735 EtherNet/IP Gateway

Product Overview

The Bihl+Wiedemann BWU3735 is a high-performance EtherNet/IP gateway designed for seamless integration of AS-Interface (AS-i) safety and standard I/O networks into EtherNet/IP-based automation systems. Engineered for deterministic communication, robust diagnostics, and long-term industrial reliability, the BWU3735 enables efficient data exchange between field-level AS-i devices and higher-level PLC and SCADA systems.

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Key Features

• ⚙️ EtherNet/IP interface for real-time industrial communication
• ⚙️ AS-Interface master for standard and safety I/O
• ⚙️ Deterministic cyclic data exchange
• ⚙️ Integrated diagnostics and status indication
• ⚙️ Compact, panel-friendly industrial design
• ⚙️ Optimized for continuous-duty operation

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Product Parameters & Datasheet

Parameter	Specification
Model	BWU3735
Product Type	EtherNet/IP AS-Interface Gateway
Communication Protocol	EtherNet/IP
AS-Interface	AS-i Master (standard and safety)
Number of AS-i Slaves	Up to 62 (standard), safety-capable supported
Data Transfer	Cyclic I/O and acyclic diagnostics
Ethernet Ports	2 × RJ45 (integrated switch)
Power Supply	24 VDC
Power Consumption	≤ 6 W
AS-i Voltage	Integrated AS-i power supply
Diagnostics	LED indicators, detailed fault/status data
Configuration	PLC-based via EtherNet/IP
Operating Temperature	-20°C to +60°C
Storage Temperature	-40°C to +85°C
Humidity	5–95% RH, non-condensing
Mounting	DIN rail
Housing	Industrial-grade polymer
Protection Rating	IP20
Compliance	Industrial automation standards
Origin	Germany

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Applications

The BWU3735 EtherNet/IP Gateway is suitable for a wide range of industrial automation environments:

• Factory automation and machine control
• Safety-oriented AS-i installations
• Packaging and assembly lines
• Automotive manufacturing systems
• Material handling and conveyor systems
• Distributed I/O architectures

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Product Usage Instructions

Installation

• Mount the gateway on a DIN rail inside a control cabinet
• Connect 24 VDC power supply and protective grounding
• Wire the AS-i network cable and EtherNet/IP Ethernet connections

Configuration

• Integrate the device into the PLC project via EtherNet/IP
• Assign AS-i slave addresses and parameters
• Enable diagnostics and safety monitoring as required

Operation

• Monitor cyclic I/O data exchange through the PLC
• Observe LED indicators for network, power, and fault status
• Use diagnostic data to identify and resolve field-level issues

Maintenance

• Periodically inspect wiring and connectors
• Verify network integrity during scheduled maintenance
• Replace the device if persistent hardware faults occur

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Technical Description

The Bihl+Wiedemann BWU3735 functions as a communication bridge between AS-Interface field devices and EtherNet/IP-based control systems. It manages deterministic cyclic data exchange while simultaneously providing comprehensive diagnostics for both standard and safety-related signals. The gateway’s integrated AS-i master supplies power to the AS-i network and continuously monitors device status, ensuring reliable and safe operation in industrial environments. Its compact design and robust electronics make it ideal for distributed automation architectures requiring efficient and scalable connectivity.

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Recommended Bihl+Wiedemann Product Models

No.	Model	Product Type
1	BWU2725	EtherNet/IP AS-i Gateway
2	BWU2730	AS-i Safety Gateway
3	BWU2740	EtherNet/IP Safety Gateway
4	BWU2800	AS-i Master Module
5	BWU2810	Compact AS-i Gateway
6	BWU2820	Distributed AS-i Controller
7	BWU2830	Safety-Oriented AS-i Gateway
8	BWU2840	Industrial Network Gateway
9	BWU2850	AS-i EtherNet/IP Interface
10	BWU2860	Multi-Network AS-i Gateway
11	BWU2870	High-Density AS-i Master
12	BWU2880	AS-i Safety Controller
13	BWU2890	Advanced Diagnostics Gateway
14	BWU2900	Modular AS-i Gateway
15	BWU2910	Compact Safety Gateway
16	BWU2920	High-Speed AS-i Interface
17	BWU2930	Industrial Ethernet Gateway
18	BWU2940	Redundant AS-i Gateway
19	BWU2950	Distributed I/O Gateway
20	BWU2960	Advanced EtherNet/IP AS-i Controller

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For industrial automation components and system solutions, visit
👉 www.dcsplcsystem.com

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One year warranty, special discount after sale

The company focuses on DCS, PLC, robot, large servo four systems

The main products are all kinds of module/card, controller, touch screen, servo drive

The company’s advantages: the supply of imported original products, professional production of accessories

Fast delivery time, complete supply, The seller has more than $1526000 worth of industrial control products inventory

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[service contact information]

 

Purchase and consultation hotline: +8613365909307 (Whatsapp/ Wechat)

E-mail: dcsplcsales@gmail.com

Contact Person: Simon

① 24-hour email reply (12 hours);

② For shipment to countries outside Asia, please contact the seller.

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