FLEX I/O | Allen-Bradley | 1794-OB32P SER A Flex 32 Point Digital Output Module

Product Description: Allen-Bradley 1794-OB32P

The Allen-Bradley 1794-OB32P is a 32-point digital output module designed for use in the FLEX I/O system. It provides 24V DC sourcing (positive logic) outputs and includes diagnostic capabilities such as open-wire detection and fault indication. This module is ideal for controlling a wide range of discrete devices in distributed industrial automation systems.

Key Features

• 32 sourcing DC output points
• Output voltage range: 10.2 to 26.4V DC (nominal 24V DC)
• Output current: 0.5 A per point (maximum), 8 A total per module
• Built-in electronic protection and diagnostics
• Open- wire detection and short-circuit indication
• Status and fault LEDs for channel-level monitoring
• Requires 1794-TB32 or 1794-TB32S terminal base
• Compatible with FLEX I/O adapters and programmable controllers

Technical Specifications

• Output Type: Sourcing (positive logic)
• Output Points: 32
• Voltage Range: 10.2 to 26.4V DC
• Current per Point: 0.5 A max
• Total Current per Module: 8 A max
• Surge Current: 2.0 A per point for 50 ms
• Off-State Leakage Current: < 0.5 mA
• On-State Voltage Drop: 1.0V max at rated load
• Isolation Voltage: 50V (continuous), basic insulation
• Backplane Current Draw: 50 mA at 5V DC
• Power Supply: External 24V DC
• Operating Temperature: 0 to 55°C
• Storage Temperature: -40 to 85°C
• Relative Humidity: 5% to 95% non-condensing
• Mounting: DIN rail
• Enclosure Type: Open-style
• Certifications: UL, CE, CSA, ATEX

Application Areas

• High-density discrete output control
• Material handling and conveyor systems
• Automotive and packaging automation
• Distributed I/O installations requiring diagnostics
• OEM machinery with multiple discrete outputs

Advantages

• High channel density reduces system footprint
• Built-in diagnostics simplify troubleshooting
• Sourcing output suitable for most industrial devices
• Modular design enables flexible system configuration
• Easy integration with FLEX I/O and Logix platforms