Allen-Bradley 1791-0A32 Series B Block I/O 32-Point AC Output Module 20-132VAC

Allen-Bradley 1791-0A32 Series B Block I/O 32-Point AC Output Module

The Allen-Bradley 1791-0A32 Series B is a high-density AC output module designed to enhance industrial automation systems by providing efficient and reliable control over multiple output channels. This module is particularly suited for applications requiring numerous AC outputs within a compact and organized framework.

Key Features

• High-Density Outputs: Equipped with 32 AC output channels, organized into four groups of eight, facilitating structured and efficient wiring configurations.
• Wide Operating Voltage Range: Supports an output voltage range of 20–132V AC at frequencies between 47–63 Hz, ensuring compatibility with various industrial power systems.
• Flexible Mounting Options: Designed for both vertical and horizontal mounting orientations, allowing adaptability to different installation requirements.
• Rapid Response Times: Features an OFF-to-ON signal delay of 1.0 ms and an ON-to-OFF delay of 8.3 ms at 60 Hz (10.0 ms at 50 Hz), providing swift response for time-sensitive operations.
• Robust Surge Handling: Capable of withstanding surge currents up to 10A for 50 ms, repeatable every 2 seconds, ensuring durability in demanding environments.
• Low Leakage Current: Maintains an off-state leakage current of 3 mA, minimizing unintended power consumption.
• Integrated Remote I/O Communication: Utilizes the Remote I/O (RIO) protocol for seamless integration with RIO scanners, enhancing communication efficiency within the control system.

Technical Specifications

• External Power Supply: 85–132V AC, 47–63 Hz, with a current draw of 150 mA at 132V AC.
• Power Dissipation: Maximum of 31.3 Watts, with thermal dissipation up to 106.73 BTU/hr.
• Isolation Ratings:
  • Power supply to RIO: 500V AC.
  • I/O Group-to-Group: 1250V AC.
  • I/O Group-to-Logic: 1250V AC.
• Environmental Conditions:
  • Operational Temperature: 0 to 60°C (32 to 140°F).
  • Storage Temperature: –40 to 85°C (–40 to 185°F).
  • Relative Humidity: 5 to 95% non-condensing.
• Dimensions: 6.95 inches (176.5 mm) in height, 4.35 inches (110.5 mm) in width, and 3.85 inches (98 mm) in depth.

The Allen-Bradley 1791-0A32 Series B Block I/O 32-Point AC Output Module is engineered to deliver high-performance output control in industrial settings, offering flexibility, reliability, and ease of integration into existing automation systems.