1794-OB32P Allen-Bradley Flex I/O 32-Channel Sourcing Output Module

Product Overview

The 1794-OB32P is an Allen-Bradley Flex I/O digital output module. It features 32 sourcing channels. Each channel has electronic protection. The module protects against overloads and shocks. It uses terminal bases 1794-TB32 or 1794-TB32S. The module operates at 24V DC nominal. It has a total current capacity of 14A. Channels 0-15 supply 6A. Channels 16-31 supply 8A. The module includes 32 yellow status indicators. It measures 1.8 x 3.7 x 2.1 inches. Install it on a DIN rail.

Application Scenarios

This module controls 24V DC loads. Engineers use it with PLCs. It drives pilot lamps and buzzers. It activates relay coils and solenoids. You can use it for many industrial tasks. The module suits manufacturing systems. It works in automation and process control.

Technical Specifications

• Manufacturer: Rockwell Automation
• Part Number: 1794-OB32P
• Outputs: 32 sourcing
• On-state Voltage: 10-31.2V DC, nom. 24V
• On-state Current: 500mA per channel max
• On-state Voltage Drop: 0.5V max
• Off-state Leakage: 0.5mA max
• Total Module Current: 14A (6A for 0-15, 8A for 16-31)
• Surge Current: 2A for 50ms
• Isolation Voltage: 50V continuous
• Power Dissipation: 5.3W max at 31.2V
• Thermal Dissipation: 18.1 BTU/hr
• Flexbus Current: 80mA at 5V
• Operating Temperature: 0 to 55°C
• Storage Temperature: -40 to 85°C
• Vibration: 5g at 10-500 Hz
• Shock: 30g
• Enclosure: Open-type
• Mounting: DIN rail
• Wire Size: Determined by terminal base
• Compatible Bases: 1794-TB32, 1794-TB32S

Installation & Maintenance Guide

Mount the module on a DIN rail. Use the correct terminal base. Connect wiring per terminal base instructions. Ensure the power supply matches voltage range. The module has no user-serviceable parts. Keep the area clean and dry. Do not exceed current limits. The module provides electronic protection. It does not require fuses. Replace the module if it fails.

Packing List

• 1 x 1794-OB32P Flex I/O Output Module
• 1 x User Manual

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