The Allen-Bradley 1734-IB8S is an 8-channel safety-rated digital input module designed for POINT I/O systems, operating at 24V DC sinking input. It supports CIP Safety over EtherNet/IP, making it ideal for distributed and safety-critical automation systems. The module is TÃœV certified for SIL 3 and PLe functional safety standards.
Key Features
- 8 digital inputs with 24V DC sinking (PNP) configuration
- Safety-rated, complying with SIL 3 (IEC 61508) and PLe (ISO 13849-1) standards
- Supports CIP Safety over EtherNet/IP for seamless integration with GuardLogix controllers
- Provides diagnostics and status LEDs for channel-level and module-level feedback
- Compact design with DIN rail mounting for easy installation
- Hot-swappable capability allows replacement without system shutdown
- TÃœV certified for global functional safety compliance
Technical Specifications
- Catalog Number: 1734-IB8S
- Series: POINT I/O Safety
- Input Type: Digital sinking
- Number of Inputs: 8
- Input Voltage Range: 11–30V DC (nominal 24V DC)
- Input Current: 2 mA per input (typical)
- Response Time: <10 ms
- Safety Ratings: SIL 3 (IEC 61508), PLe (ISO 13849-1), Cat. 4
- Current Draw: 85 mA @ 5V DC, 40 mA @ 24V DC
- Operating Temperature: -20°C to +55°C (-4°F to 131°F)
- Storage Temperature: -40°C to +85°C (-40°F to 185°F)
- Relative Humidity: 5% to 95% non-condensing
- Certifications: TÃœV, UL, CE, CSA, ATEX, IECEx
Applications
- Emergency stop and safety gate monitoring
- Two-hand control devices
- Safety light curtains and sensors
- Distributed safety I/O architectures
- Robotics and machine safety zones
Why Choose the 1734-IB8S?
- Integrated safety and diagnostics simplify safety system design
- Certified for SIL 3 / PLe, meeting stringent global safety standards
- POINT I/O modularity allows for expandable and easy installation
- High reliability, designed for mission-critical safety systems
- Real-time safety communication with CIP Safety over EtherNet/IP
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