Description:

The Allen Bradley 1734-OB8S POINT I/O Safety Output Module is used in distributed safety control systems for controlling safety-rated output devices. Commonly installed in POINT Guard I/O systems within industrial automation environments such as safety circuits, emergency stop systems, and machine safety applications. Maintenance teams, OEMs, and system integrators use this module for system expansion, retrofit, or replacement of safety output modules.

Applications:

The Allen Bradley 1734-OB8S is designed for safety-critical industrial applications requiring reliable control of outputs such as contactors, safety relays, and actuators. It is widely used in manufacturing plants, packaging systems, robotic cells, and process industries where machine safety and compliance with safety standards are essential. With dual-channel capability and diagnostic features, it ensures safe shutdown and fault detection in hazardous conditions while integrating seamlessly into GuardLogix and POINT Guard I/O systems.

Technical Specifications:

• Manufacturer: Allen-Bradley (Rockwell Automation)
• Model / Part Number: 1734-OB8S
• Product Type: Safety Digital Output Module
• Series: POINT Guard I/O (1734)
• Number of Outputs: 8 channels
• Output Type: Current sourcing (solid-state)
• Output Voltage: 24V DC nominal
• Output Current: 1 A per channel (max)
• Total Output Current: Up to 8 A per module
• Response Time: ≤ 6.2 ms
• Protection: Electronic short-circuit protection
• Isolation Voltage: 50V continuous (field to system)
• Power Supply: 24V DC (19.2–28.8V range)
• POINTBus Current: 190 mA
• Power Dissipation: ~3–4.5 W
• Operating Temperature: -20 to 55°C
• Dimensions: Approx. 77 x 25 x 55 mm
• Indicators: Status LEDs for power, lock, and channel status
• Lifecycle Status: Active

Common Replacements:

• Allen Bradley 1734-OB8SK
• Allen Bradley 1734-OB8
• Allen Bradley 1756-OB8S