Allen-Bradley PLC-5 1771-ASB Remote I/O Adapter Module

The Allen-Bradley 1771-ASB Remote I/O Adapter Module is designed to interface remote I/O devices with PLC-5 programmable controllers. This module provides a reliable and efficient means of communication between the remote I/O chassis and the central processor. The 1771-ASB enables easy expansion of control systems by allowing additional I/O modules to be connected to the main control unit via remote communication.

Advantages:

• Simplifies the connection between remote I/O devices and PLC-5 controllers.

• Enables the expansion of control systems with minimal wiring and configuration effort.

• Provides reliable communication for industrial automation environments.

General Info

• Manufacturer: Allen-Bradley

• Model Number: 1771-ASB

• Type: Remote I/O Adapter Module

• Compatibility: Allen-Bradley PLC-5 programmable controllers

• Communication Type: Remote I/O communication

• I/O Capacity: Supports multiple input and output signals

Features

• Efficient Communication: The 1771-ASB module provides efficient communication between remote I/O devices and the PLC-5 processor, ensuring smooth and timely data transfer.

• Easy System Expansion: By using the 1771-ASB, users can easily expand their control systems with remote I/O chassis, reducing the need for extensive wiring and making system configuration simpler.

• Reliable Data Transfer: The module supports bidirectional data transfer, allowing for both input and output data to be communicated between the central processor and remote I/O devices.

• Compatibility: Compatible with a wide range of PLC-5 controllers, making it a versatile choice for expanding existing Allen-Bradley control systems.

Technical Specifications

• Model Number: 1771-ASB

• Compatibility: Allen-Bradley PLC-5 series programmable controllers

• Communication Type: Remote I/O communication

• Data Transfer: Bidirectional data transfer via I/O image table

• Power Requirements: 5V DC supplied by the backplane

• Maximum Cable Length: 10,000 feet (depending on baud rate)

• Baud Rates: Configurable for 57.6K, 115.2K, and 230.4K baud rates

• I/O Capacity: Supports up to 32 I/O modules per remote chassis

• Indicators: LED indicators for communication status and fault diagnostics

• Operating Conditions:

  • Temperature Range: 0°C to 60°C (32°F to 140°F)

  • Humidity: 5% to 95%, non-condensing

• Mounting: Designed for installation in 1771 I/O chassis

• Electrical Isolation: Provides isolation between the remote I/O network and the backplane

• Power Consumption: 1.6 Watts typical, 2.2 Watts maximum

• Electrical Interface:

  • Input Voltage: 5V DC from backplane

  • Input Current: 450 mA maximum

• Baud Rate Selection: User-selectable via DIP switch settings

• Backplane Current Load: 600 mA at 5V DC

• Diagnostics: Built-in diagnostics for fault detection and troubleshooting

• Cable Specifications:

  • Type: Shielded twisted pair

  • Maximum Length: Up to 10,000 feet depending on configuration and baud rate

• Environmental Conditions:

  • Storage Temperature: -40°C to 85°C (-40°F to 185°F)

  • Vibration Resistance: 2g at 10-500 Hz

  • Shock Resistance: 30g operational, 50g non-operational

• Certifications:

  • UL: UL Listed Industrial Control Equipment

  • CSA: CSA Certified

  • CE: CE Marked for applicable directives

• Indicators: Communication and fault status LED indicators for easy monitoring

Compliance and Certifications

• Certifications: UL Listed, CE Marked, CSA Certified

• Standards Compliance:

  • EN 61131-2: Compliance for programmable controller equipment

  • EMC Compliance: Meets EN 50081-2 and EN 50082-2 standards