Allen Bradley Remote I/O Adapter 1771-ASB /B

Allen-Bradley 1771-ASB/B Remote I/O Adapter Module

The Allen-Bradley 1771-ASB/B Remote I/O Adapter Module is designed to facilitate seamless communication between remote I/O modules and central programmable controllers within industrial automation systems. By enabling remote placement of I/O modules, this adapter reduces wiring complexity and installation costs, while enhancing system flexibility.

Key Features

• Communication Rates: Supports data transmission speeds of 57.6 kbps, 115 kbps, and 230 kbps, allowing for adaptable integration based on system requirements.
• Data Transmission Distance: Capable of transmitting data up to 10,000 feet at 57.6 kbps, and up to 2,500 feet at 230.4 kbps, providing flexibility in system design and layout.
• Compatibility: Integrates seamlessly with Allen-Bradley PLC-5 series controllers and associated I/O systems, supporting various I/O configurations including 4, 8, 12, 16, or 32-slot chassis.
• Addressing Modes: Offers multiple I/O addressing methods, including 1/2-slot, 1-slot, and 2-slot addressing, to accommodate diverse application needs.
• Diagnostic Indicators: Equipped with LED indicators for Active status, Adapter Fault, and I/O Rack Fault, facilitating efficient monitoring and troubleshooting.

Technical Specifications

• Backplane Current Load: 1.0 A at 5 V DC
• Power Dissipation: Maximum of 5.2 W
• Operating Temperature: 32°F to 140°F (0°C to 60°C)
• Storage Temperature: -40°F to +185°F (-40°C to +85°C)
• Humidity: 5% to 95% non-condensing
• Dimensions: 3.5 x 6.5 x 2.0 inches (89 x 165 x 51 mm)
• Weight: 1.9 pounds (0.9 kg)
• Certifications: UL Listed, CSA Certified, CE Compliant, Marine Certified, C-Tick Marked

Installation and Configuration

The 1771-ASB/B module is designed for in-chassis mounting and should be installed in the left-most slot of the 1771 I/O chassis. It requires connection to a remote I/O adapter port and is compatible with standard I/O racks and cables, such as the Belden 9463. The module supports various I/O addressing methods and includes switch assemblies for configuration, ensuring adaptability to specific system requirements.

Applications

Ideal for industrial automation environments, the 1771-ASB/B Remote I/O Adapter Module is commonly used in factory automation, process control, and distributed control systems. Its ability to extend the range of PLC systems makes it suitable for applications where devices are spread over large physical areas, such as manufacturing plants, oil refineries, and water treatment facilities.