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Allen-Bradley 1785-ENET Ethernet Interface Module for PLC-5

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SKU: 1785-ENET PLC & Industrial Automation Modules Allen-Bradley (Rockwell)

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Allen-Bradley 1785-ENET Ethernet Interface Module Overview

The Allen-Bradley 1785-ENET Ethernet Interface Module provides seamless Ethernet/IP communication for PLC-5 control systems, enabling high-performance networking in demanding industrial environments. Engineered for reliability and speed, this module supports up to 64 simultaneous TCP/IP connections with 10/100 Mbps auto-negotiation capability.

Technical Specifications

  • Model: 1785-ENET
  • Communication Protocol: Ethernet/IP, TCP/IP, UDP/IP
  • Network Speed: 10/100 Mbps auto-negotiation
  • Simultaneous Connections: Up to 64 TCP/IP sessions
  • Connector Type: RJ45 Ethernet port
  • Compatibility: PLC-5 processors (1785 series)
  • Operating Temperature: 0 °C to 60 °C (32 °F to 140 °F)
  • Power Consumption: 5V DC @ 800mA (typical)
  • Mounting: 1785 chassis backplane

Key Features & Benefits

  • High-Speed Connectivity: Delivers fast data exchange between PLC-5 controllers and Ethernet-based devices, reducing latency in time-critical applications
  • Multi-Session Support: Handles up to 64 concurrent TCP/IP connections for distributed control architectures
  • Seamless Integration: Direct compatibility with RSLinx, RSLogix 5, and FactoryTalk software platforms
  • Robust Industrial Design: Built to withstand harsh factory environments with extended temperature range and EMI/RFI immunity
  • Flexible Configuration: Supports BOOTP, DHCP, and static IP addressing for versatile network deployment

Application Scenarios

The 1785-ENET module excels in manufacturing automation, process control, and SCADA integration where reliable Ethernet communication is mission-critical:

  • Plant-Wide Monitoring: Connect multiple PLC-5 controllers to centralized HMI systems for real-time production visibility
  • Remote Diagnostics: Enable off-site engineering access for troubleshooting and program updates via secure Ethernet tunnels
  • Data Acquisition: Stream process data to historians and MES platforms for analytics and compliance reporting
  • Legacy System Modernization: Retrofit existing PLC-5 installations with modern Ethernet infrastructure without controller replacement

Solution Integration

Deploy the 1785-ENET as part of a comprehensive control strategy combining PLC-5 logic processing with Ethernet-based I/O, drives, and third-party devices. The module’s EtherNet/IP protocol ensures interoperability across Rockwell Automation and ODVA-compliant equipment, simplifying network architecture and reducing engineering overhead.

Installation & Configuration

Mount the module in any available slot of a 1785 chassis. Configure network parameters using RSLinx Classic or embedded web interface. The module supports firmware updates via ControlFLASH utility, ensuring long-term compatibility with evolving network standards.

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Why Choose Industrial Control Hub?

We specialize in mission-critical automation components with rigorous quality verification, global logistics support, and technical consultation. Every 1785-ENET module ships with authenticity certification and compatibility documentation.

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Product Series

PLC-5 (1771)

Country of Origin

US

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