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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