Allen-Bradley 1791-OA32 Series B Block I/O 32-Point AC Output Module The Allen-Bradley 1791-OA32 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 part of the 1791 Block I/O series, known for integrating communication, signal conditioning, and I/O circuitry into a compact assembly. Key Features High-Density Outputs: Equipped with 32 AC output channels, organized into four groups of eight, facilitating structured and flexible connections. Wide Operating Voltage Range: Supports an output voltage range of 20–132V AC at 47–63 Hz, accommodating various industrial applications. Remote I/O Communication: Utilizes the Remote I/O (RIO) protocol, enabling seamless integration with RIO scanners for efficient data exchange. Flexible Mounting Options: Designed for both vertical and horizontal mounting orientations, allowing adaptability to different installation requirements. Robust Output Performance: Offers a maximum output current rating of 300mA per channel at 60°C for vertical mounting, with a surge current capacity of 10A for 50ms, repeatable every 2 seconds. Technical Specifications Output Channels: 32 (4 groups of 8) Output Voltage Range: 20–132V AC, 47–63 Hz Output Current Rating: Vertical Mounting: 300mA per channel at 60°C, 600mA at 30°C Horizontal Mounting: 150mA per channel at 60°C, 300mA at 30°C Surge Current: 10A for 50ms per channel, repeatable every 2 seconds Minimum On-State Current: 50mA per output Maximum On-State Voltage Drop: 1.5V peak at 300mA Off-State Leakage Current: 3mA maximum Output Signal Delay: Off to On: 1.0ms at 60Hz; 1.0ms at 50Hz On to Off: 8.3ms at 60Hz; 10.0ms at 50Hz External Power Requirements: 85–132V AC, 47–63 Hz, 150mA at 132V AC Dimensions: 6.95H x 4.35W x 3.85D inches (176.5H x 110.5W x 98D mm) Operating 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 Installation and Compatibility The 1791-OA32 Series B module is designed for straightforward installation, supporting both vertical and horizontal mounting orientations to suit various enclosure configurations. It is compatible with Allen-Bradley PLC-2, PLC-3, PLC-5/20, and PLC-5 controllers, ensuring versatility across different control systems. The module’s integration of a self-contained power supply and Remote I/O interface simplifies wiring and reduces the need for additional components, making it an efficient solution for distributed I/O applications. Applications Ideal for industrial environments requiring high-density AC output control, the 1791-OA32 Series B module is suitable for applications such as: Material handling systems Packaging machinery Process control operations Operator interface panels Its robust design and advanced communication capabilities make it a reliable choice for enhancing automation efficiency and system performance.