Allen-Bradley 1794-OB32P

Allen-Bradley 1794-OB32P | High-Density Digital Output Module for FLEX I/O Systems

Overview

The Allen-Bradley 1794-OB32P is a 32-point digital output module designed for use with the FLEX I/O system. It provides 24V DC sourcing outputs and is ideal for controlling a variety of field devices such as solenoids, relays, and indicators. The module's compact, open-style design allows for efficient DIN rail mounting, making it suitable for space-constrained industrial applications.

Key Features

• Output Channels: 32 sourcing (PNP) outputs

• Output Voltage Range: 10–31.2V DC

• Nominal Output Voltage: 24V DC

• Output Current:

  • Maximum per channel: 500 mA

  • Maximum per module: 14 A (6 A for channels 0–15; 8 A for channels 16–31)

• On-State Voltage Drop: Maximum 0.5V DC

• Off-State Leakage Current: Maximum 0.5 mA

• Surge Current: 2 A for 50 ms, repeatable every 2 seconds

• Isolation Voltage: 50V (continuous), basic insulation

• Flexbus Current: 80 mA @ 5V DC

• Power Dissipation: Maximum 5.3 W @ 32.1V DC

• Thermal Dissipation: Maximum 18.1 BTU/hr @ 31.2V DC

• Mounting: DIN rail

• Enclosure Type: Open-style

• Operating Temperature: 0 to 55°C (32 to 131°F)

• Certifications: CE, UL, cULus, ATEX, IECEx, RCM, KC, CCC

Technical Specifications

• Catalog Number: 1794-OB32P

• Dimensions (H x W x D): 94 x 94 x 69 mm (3.7 x 3.7 x 2.7 in.)

• Weight: Approximately 85 g (2.99 oz.)

• Recommended Terminal Base Units: 1794-TB32, 1794-TB32S

• Wiring Category: 2 – on signal ports

• Wire Size: Determined by installed terminal base

• Terminal Base Screw Torque: Determined by installed terminal base

• Keyswitch Position: 2

• Indicators: 32 yellow status indicators (one per channel)

• External DC Power Supply Voltage: Nominal 24V DC

• External DC Power Voltage Range: 10–31.2V DC (includes 5% AC ripple)

• External DC Power Supply Current: 219 mA @ 24V DC (104 mA @ 10V DC; 278 mA @ 31.2V DC)

Applications

• Industrial Automation Systems

• Machine Control

• Process Control Systems

• Material Handling Equipment

• Packaging Machinery

Why Choose the 1794-OB32P?

• High-Density Output: 32 channels in a single module

• Compact Design: Saves panel space with a slim profile

• Flexible Integration: Compatible with various FLEX I/O adapters

• Reliable Performance: Designed for demanding industrial environments

• Ease of Maintenance: LED indicators for each channel facilitate troubleshooting

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Available and ready to ship globally.