ALLEN BRADLEY 1775-KA PLC 1775KA

The Allen-Bradley 1775-KA is a Data Highway (DH) Communication Interface Module, designed for use in PLC-3 and PLC-5 programmable logic controllers. It provides high-speed communication between multiple PLCs, remote I/O systems, and operator interfaces in industrial automation environments. The 1775-KA enables seamless data exchange over Data Highway (DH) networks, making it essential for distributed control systems.

Technical Specifications

  • Manufacturer: Allen-Bradley (Rockwell Automation)
  • Model: 1775-KA
  • Module Type: Data Highway (DH) Communication Interface
  • Supported Networks: Data Highway (DH) and Remote I/O (RIO)
  • Baud Rate: 57.6 kbps or 115.2 kbps
  • Backplane Current Load: 1.2A at 5V DC
  • Communication Capabilities:
    • Peer-to-peer communication
    • PLC-to-PLC data transfer
    • Remote I/O communication
  • Compatible PLC Systems: PLC-3 and PLC-5 processors
  • Mounting Type: Rack-mounted in a PLC-3 or PLC-5 chassis
  • Operating Temperature Range: 0°C to 60°C (32°F to 140°F)
  • Certifications: UL, CE, CSA approved for industrial automation applications

Key Features

  • Provides high-speed communication over Data Highway networks
  • Supports up to 64 nodes in a DH network
  • Allows real-time data sharing between multiple PLCs
  • Reduces wiring complexity by enabling remote I/O connectivity
  • LED indicators for status monitoring and diagnostics
  • Seamless integration with Allen-Bradley automation systems

Compatible Allen-Bradley Components

  • Allen-Bradley PLC-3 and PLC-5 processors
  • Allen-Bradley 1771 I/O Chassis and Power Supplies
  • Allen-Bradley 1775 Series I/O and Communication Modules
  • Allen-Bradley PanelView HMIs for operator interface

Industry Applications

  • Manufacturing automation and process control
  • Material handling and conveyor automation
  • Power generation and energy distribution
  • Oil and gas process automation
  • Water and wastewater treatment systems

Installation & Operational Notes

  • Ensure proper connection to the Data Highway network before installation
  • Verify compatibility with the PLC-3 or PLC-5 system
  • Mount securely in a 1775-compatible chassis for stable operation
  • Use LED indicators for troubleshooting communication issues
  • Follow Allen-Bradley’s installation and configuration guidelines for optimal performance

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