Product Description
Product Overview
The Allen-Bradley 1734-OB8S/B is a POINT I/O Safety Digital Output Module designed for industrial automation applications within Rockwell Automation systems. Manufactured by Allen-Bradley (a Rockwell Automation brand), this module is part of the 1734 POINT I/O series and provides eight safety-rated sourcing outputs for controlling actuators in safety-critical applications. It integrates with GuardLogix or Compact GuardLogix controllers via POINT Guard I/O over EtherNet/IP, ensuring compliance with safety standards. Built for reliability and safety, it is suited for environments such as manufacturing, process control, and industrial machinery. The “/B” denotes Series B, an updated revision of the original design.
Technical Specifications
The 1734-OB8S/B has the following specifications based on supplier data from Rockwell Automation and Radwell:
| Item | Specification |
|---|---|
| Model/Part Number | 1734-OB8S/B |
| Manufacturer | Allen-Bradley (Rockwell Automation) |
| Description | POINT I/O Safety Digital Output Module |
| Series | 1734 POINT Guard I/O |
| Outputs | 8 sourcing outputs |
| Output Voltage | 24 V DC (11-30 V DC range) |
| Output Current | 0.5 A per channel, 4 A total |
| Power Consumption | 130 mA at 24 V DC (module power) |
| Operating Temperature | -20°C to 55°C (-4°F to 131°F) |
| Dimensions | 77 x 25 x 55 mm (3.03 x 0.98 x 2.17 in) |
| Weight | 0.07 kg (0.15 lbs) |
Additional Details
The 1734-OB8S/B includes the following additional information based on supplier documentation:
| Category | Details |
|---|---|
| Function | Controls safety actuators with 24 V DC outputs |
| Mounting | Requires 1734-TB or 1734-TBS terminal base |
| Connectivity | EtherNet/IP via POINTBus backplane |
| Features | Safety-rated outputs, pulse test capability, short-circuit protection, diagnostic LEDs |
| Certifications | SIL 3 (IEC 61508), PLe (ISO 13849-1), CE, cULus |