Allen-Bradley | 1734-OB8E |POINT I/O

Product Description: Allen-Bradley 1734-OB8E

The Allen-Bradley 1734-OB8E is an 8-channel sourcing (PNP) digital output module in the POINT I/O family, designed for applications that require detailed diagnostics and high-performance discrete control. It features enhanced diagnostic capabilities such as open-wire detection and short-circuit protection, enabling fast troubleshooting and increased system reliability. The module is ideal for applications demanding continuous monitoring of output integrity.

Key Features

• 8 sourcing (PNP) output channels
• Enhanced diagnostics including short-circuit, open-load, and module status monitoring
• Individually configurable outputs for flexibility
• Supports output status and fault reporting to controller
• LED indicators for per-channel output and fault status
• Designed for integration with Logix controllers
• DIN rail mounted with POINT I/O terminal bases

Technical Specifications

• Number of Outputs: 8
• Output Type: Solid-state, sourcing (PNP)
• Output Voltage: 24V DC nominal (10–28.8V DC)
• Output Current: 0.5 A per channel, 3.0 A max per module
• Output Delay: <1 ms
• Diagnostic Features:
  • Short-circuit detection
• Isolation Voltage: 50V (field to system and channel-to-channel)
• Backplane Current Draw: 75 mA at 5V DC
• Operating Temperature: 0°C to 55°C
• Dimensions (HxWxD): approx. 75 x 12 x 55 mm
• Mounting: DIN rail via POINT I/O base (e.g., 1734-TB, 1734-TOP)

Application Areas

• Discrete output control with integrated diagnostics
• Automated assembly and material handling systems
• Industrial machines requiring output integrity monitoring
• Packaging and bottling lines
• Remote and distributed control systems with Logix platforms

Advantages

• Enhanced diagnostics simplify troubleshooting and reduce downtime
• Compact and modular design optimizes panel space
• Reliable output performance for demanding control environments
• Integrated status LEDs provide immediate visual feedback
• Seamless integration into Rockwell Automation control architectures