Product Overview

The ​Allen-Bradley 1734-OB4​ is a 4-point digital output module designed for Rockwell Automation's Point I/O system. This compact, high-density output module provides reliable switching capability for industrial control applications, offering seamless integration with Allen-Bradley's programmable automation controllers and distributed I/O systems.

Key Features

• ​4-Point Configuration​ - Four independent digital outputs in compact form factor

• ​Sourcing Outputs​ - 24V DC sourcing outputs for standard industrial applications

• ​High-Density Design​ - Space-efficient module for control panel optimization

• ​LED Status Indicators​ - Individual point status and module diagnostics

• ​Short-Circuit Protection​ - Built-in protection against output shorts

• ​Overload Protection​ - Electronic protection against excessive loads

• ​Plug-and-Play Operation​ - Easy installation and configuration

Technical Specifications

Electrical Characteristics

Output Specifications

• ​Output Configuration​ | 4 independent sourcing outputs

• ​Current per Point​ | 0.5A maximum continuous

• ​Total Module Current​ | 2.0A maximum

• ​Inrush Current​ | 1.0A for 100ms maximum

• ​Leakage Current​ | ≤0.1mA at 30V DC

• ​Voltage Drop​ | ≤2.0V DC at 0.5A

Protection Features

• ​Short-Circuit Protection​ | Electronic current limiting

• ​Overload Protection​ | Automatic shutdown on overload

• ​Reverse Polarity​ | Protected against reverse voltage

• ​Surge Protection​ | Transient voltage suppression

Performance Characteristics

Switching Performance

• ​Response Time​ | ≤1ms on/off

• ​Switching Frequency​ | Up to 100Hz

• ​Load Type​ | Resistive, inductive, lamp loads

• ​Inductive Load Protection​ | Built-in suppression

Diagnostic Capabilities

• ​Point Status LEDs​ | Individual green LEDs for each output

• ​Module Status LED​ | Green/red status indication

• ​Fault Detection​ | Short-circuit and overload detection

• ​Diagnostic Feedback​ | Status available through backplane

Applications

The Allen-Bradley 1734-OB4 is ideal for:

• ​Discrete Control​ - Solenoid and valve control

• ​Relay Driving​ - Interface with electromechanical relays

• ​Indicator Lights​ - Panel and machine status indicators

• ​Motor Starters​ - Small motor contactor control

• ​Alarm Systems​ - Horns and alarm device activation

• ​Process Control​ - Actuator and positioner control

• ​Material Handling​ - Conveyor control system outputs

System Integration

Point I/O Compatibility

• ​Adapter Modules​ | Compatible with all 1734 Point I/O adapters

• ​Power Supplies​ | Works with 1734 power supplies

• ​Backplane Communication​ | Fully integrated with Point I/O system

• ​Configuration​ | Auto-configure with Studio 5000

Network Integration

• ​EtherNet/IP​ | Through 1734-AENT adapter

• ​DeviceNet​ | Through 1734-ADN adapter

• ​ControlNet​ | Through 1734-ACN adapter

• ​Profibus​ | Through 1734-APB adapter

Installation & Operation

Physical Installation

• ​Mounting​ | DIN rail mounting (35mm)

• ​Orientation​ | Horizontal or vertical mounting

• ​Spacing​ | No spacing required between modules

• ​Expansion​ | Right-hand expansion capability

Electrical Installation

• ​Wiring​ | Removable terminal block

• ​Terminal Torque​ | 0.5-0.6 Nm

• ​Wire Preparation​ | Strip length 7-8mm

• ​Grounding​ | Proper grounding for noise immunity

Configuration

• ​Addressing​ | Automatic through backplane

• ​Programming​ | Studio 5000 programming environment

• ​Configuration​ | No hardware configuration required

• ​Diagnostics​ | Built-in status monitoring

Certifications & Compliance

• ​Safety Standards:

  • UL Listed

  • cUL Listed

  • CE Marked

• ​EMC Compliance:

  • EN 61326-1 (Industrial environments)

• ​Environmental Standards:

  • RoHS Compliant

  • REACH Compliant

• ​Quality Standards:

  • ISO 9001 Manufacturing

Why Choose Allen-Bradley 1734-OB4?

• ​Compact Design​ - High density in small form factor

• ​Reliable Performance​ - Rockwell Automation quality and durability

• ​Easy Integration​ - Seamless Point I/O system integration

• ​Comprehensive Protection​ - Built-in electrical protection features

• ​Visual Diagnostics​ - Clear status indication for easy troubleshooting

• ​Global Compliance​ - International certifications for worldwide use

• ​Technical Support​ - Backed by Rockwell Automation's global network

Maintenance & Service

• ​Module Replacement​ | Hot-swappable capability

• ​Terminal Block​ | Removable for easy wiring

• ​Diagnostic Monitoring​ | Continuous status monitoring

• ​Firmware Updates​ | Field upgradeable through adapter

• ​Technical Support​ | Comprehensive documentation available

Note: Specifications are based on standard configurations. Actual performance may vary based on application conditions. Consult Allen-Bradley technical documentation for detailed application guidelines.