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 a key component in industrial automation, facilitating seamless communication between remote I/O modules and central programmable controllers. Designed for integration within the 1771 I/O chassis, this module enables efficient data exchange over extended distances, enhancing the flexibility and scalability of control systems.

Key Features

• Communication Protocol: Supports Remote I/O (RIO) communication, allowing bidirectional data transfer between the central processor and remote I/O devices.
• Data Transmission Rates: Configurable baud rates of 57.6 kbps, 115.2 kbps, and 230.4 kbps, accommodating various system requirements.
• I/O Capacity: Supports up to 32 I/O modules per remote chassis, providing ample capacity for complex automation tasks.
• Distance Capability: Enables data transmission up to 10,000 feet at 57.6 kbps, ensuring reliable communication over long distances.
• Diagnostic Indicators: Equipped with LED indicators for communication status and fault diagnostics, facilitating easy monitoring and troubleshooting.

Technical Specifications

• Backplane Current Load: 1.0 Amps at 5V DC.
• Operating Temperature: 0°C to 60°C (32°F to 140°F).
• Humidity: 5% to 95% non-condensing.
• Mounting: Designed for installation in the leftmost slot of the 1771 I/O chassis.
• Certifications: UL Listed, CSA Certified, CE Marked, ensuring compliance with industry standards.

Applications

The 1771-ASB/B module is utilized across various industrial sectors, including:

• Process Control: Facilitates communication between PLC-5 processors and remote I/O systems in process control environments.
• Factory Automation: Connects PLC-5 processors with remote I/O racks for extended control and monitoring in manufacturing systems.
• Machine Control: Enhances communication capabilities for machine automation systems by interfacing with remote I/O modules.
• Building Automation: Integrates with remote I/O systems for managing building control systems such as HVAC and lighting.

Installation and Configuration

Proper installation and configuration are crucial for optimal performance:

• Module Configuration: Set the module switches to configure I/O rack number, baud rate, scan mode, and link response.
• Field Wiring: Utilize the 1771-WB field wiring arm for connecting I/O communication cables and a user-supplied I/O chassis restart pushbutton.
• Module Placement: Install the module in the leftmost slot of the I/O chassis, ensuring correct keying to prevent incorrect insertion.

The Allen-Bradley 1771-ASB/B Remote I/O Adapter Module remains a reliable solution for extending the reach and functionality of PLC-5 systems, supporting a wide range of industrial automation applications.