B&R 0AC808.9-1 Automation Module

Product Description

B&R 0AC808.9-1 is an 8-Port Industrial Ethernet Hub (Layer 2) from B&R Industrial Automation. It is designed for industrial network infrastructure applications, providing Ethernet signal distribution and communication connection between automation devices such as PLCs, industrial PCs, HMIs, and other network components.

The module supports 10/100 Mbit/s Ethernet communication, automatic negotiation, and Auto-MDI/MDIX functions for flexible industrial networking.

Specifications

• Brand: B&R Industrial Automation
• Model: 0AC808.9-1
• Product Type: Industrial Ethernet Hub
• Function: Network Communication Module
• Topology: Layer 2 Ethernet Hub
• Ports: 8 × RJ45 Ethernet Ports
• Communication Speed: 10/100 Mbit/s
• Physical Layer: 10BASE-T / 100BASE-TX
• Communication Mode: Half-duplex
• Auto Functions:
  • Auto-negotiation
  • Auto-MDI/MDIX
• Signal Type: Ethernet
• Power Supply: 24 VDC
• Input Voltage Range: 18–30 VDC
• Mounting: DIN Rail Mount
• Status Indicators:
  • Network activity
  • Link/Collision
  • Supply voltage status
• Connector: Shielded RJ45

Functions

• Expands industrial Ethernet network connections
• Provides communication links between automation devices
• Distributes Ethernet signals within control cabinets
• Enables connection of PLC, HMI, IPC, and field devices
• Provides LED diagnostics for network monitoring

Advantages & Features

• Industrial-grade Ethernet communication design
• 8-port network expansion capability
• Supports common 10/100 Mbps Ethernet devices
• Compact DIN rail installation
• Built-in LED status diagnostics
• Suitable for continuous industrial operation
• Easy integration into B&R automation systems

Applications

• B&R PLC automation systems
• Industrial Ethernet networks
• Machine control systems
• Factory automation equipment
• Industrial PC communication networks
• Control cabinet networking

Notes

• 0AC808.9-1 is an Ethernet hub module, not a PLC CPU or I/O module
• Requires 24VDC power supply
• Terminal block TB704 / TB704.91 is ordered separately
• Verify Ethernet network configuration before installation
• Confirm compatibility with existing B&R automation hardware