Bihl+Wiedemann BW4219 AS-i Module

Product Overview

The Bihl+Wiedemann BW4219 is not an AS-i I/O module. It is an AS-i 30V Power Supply (AS-Interface Power Supply) designed to provide stable power for AS-i 5 / AS-i 3 communication networks. It supplies power to AS-i gateways, safety monitors, and connected AS-i devices.

The BW4219 is optimized for industrial automation applications requiring reliable AS-i network power distribution.

Main Specifications

• Manufacturer: Bihl+Wiedemann
• Model: BW4219
• Product Type:
  • AS-i Power Supply
  • Industrial DC Power Supply
  • AS-Interface Network Power Module
• Communication System: AS-i 5 / AS-i 3
• Input Voltage: 100–240 VAC
• Input Phase: Single Phase
• Output Voltage: 30–31.2 VDC
• Output Current: 8 A
• Rated Power: 240 W
• Protection Rating: IP20
• Connection: Push-in terminals

Technical Functions

The BW4219 provides:

• AS-i bus power supply
• Stable 30 VDC output
• Power support for AS-i gateways and safety systems
• Reliable operation of AS-i field devices
• Industrial control system power distribution

Working principle:

AC Input Power → BW4219 Power Supply → 30 VDC AS-i Network Power → AS-i Master / Slave Devices

Features & Advantages

• Original Bihl+Wiedemann AS-i system component
• Optimized for AS-i 5 / AS-i 3 networks
• High efficiency and stable output voltage
• Supports industrial continuous operation
• Compact DIN rail mounting design
• Suitable for automation cabinet installation
• Improves AS-i communication system reliability

Applications

Used in:

• Factory automation systems
• AS-i safety networks
• PLC control cabinets
• Conveyor systems
• Packaging machinery
• Industrial sensor/actuator networks

Typical applications:

• AS-i network power supply
• Field device power distribution
• Automation system infrastructure