The Allen-Bradley 1794-ASB is a FLEX I/O Remote Adapter Module, designed to facilitate distributed I/O connectivity in industrial automation applications. It allows remote I/O communication between FLEX I/O modules and a central PLC or controller, improving system scalability and flexibility. The 1794-ASB adapter supports Data Highway Plus (DH+), Remote I/O (RIO), and ControlNet communication, making it an ideal choice for distributed control architectures.
Technical Specifications
- Manufacturer: Allen-Bradley (Rockwell Automation)
- Model: 1794-ASB
- Module Type: Remote I/O Adapter
- Supported I/O Modules: Allen-Bradley FLEX I/O (1794 series)
- Communication Protocol: Remote I/O (RIO) Communication
- Baud Rate Selection: 57.6K, 115.2K, and 230.4K baud
- Power Supply Requirement: 24V DC
- Maximum I/O Capacity: Up to 8 FLEX I/O modules per adapter
- Backplane Current Load: 640 mA at 5V DC
- Operating Temperature Range: 0°C to 55°C (32°F to 131°F)
- Certifications: UL, CE, CSA, RoHS compliant
Key Features
- Provides remote I/O connectivity for Allen-Bradley FLEX I/O modules
- Supports Remote I/O (RIO) communication with PLC-5, SLC 500, and other controllers
- Configurable baud rate (57.6K, 115.2K, and 230.4K)
- Supports up to 8 FLEX I/O modules per adapter
- Compact and DIN rail-mounted design for easy integration
- Optimized for distributed control systems, reducing wiring complexity
Compatible Allen-Bradley Components
- Allen-Bradley FLEX I/O Modules (1794 Series)
- Allen-Bradley PLC-5 and SLC 500 Controllers
- Allen-Bradley PanelView HMIs for operator control and monitoring
- Allen-Bradley 1794 Power Supplies for FLEX I/O System
Industry Applications
- Manufacturing and production line automation
- Material handling and conveyor control systems
- Water and wastewater treatment facilities
- Power generation and energy distribution automation
- Automotive and aerospace assembly lines
Installation & Operational Notes
- Ensure 24V DC power is properly connected before module operation
- Verify baud rate settings to match system requirements
- Mount securely on a DIN rail for stable operation
- Use compatible Allen-Bradley controllers for seamless integration
- Follow Rockwell Automation’s installation guidelines for proper wiring
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