Overview
The Allen-Bradley 1000F-1791ES-IB8X0BV4 is a CompactBlock Guard I/O safety module engineered for distributed safety I/O in industrial automation systems. This Guard I/O EtherNet/IP safety module is manufactured by Allen-Bradley and delivers certified functional safety for emergency stops, safety interlocks, light curtains, and other critical safety applications. The Guard I/O 1791ES series offers the highest level of safety certified by TUV standards for functional safety at SIL 3 and PLe/Category 4.
Key Features
- 8 inputs with 4 dual-channel bipolar outputs
- Appropriate for applications requiring Safety Integrity Level (SIL) Category Level (CL) 3
- Self-diagnostics, hardware testing, and field circuit testing functions without additional programming
- Ability to detect short circuits, wire breakage, and discrepancies in dual-channel circuitry
- Durable construction allows removal and insertion under power, with operational temperature range of -20 to 55 degrees Celsius
- Designed to work with safety controllers communicating on DeviceNet or EtherNet/IP networks using CIP safety, optimized for GuardPLC and GuardLogix devices, compatible with SmartGuard controllers
Technical Specifications
- Input Voltage: 24 Volts DC
- Number of Inputs: 8 safety inputs with minimum in-state voltage of 11VDC and minimum on-state current of 3.3 mA
- Input Types: IEC 61131-2 Type 3
- Number of Outputs: 4 dual-channel bipolar outputs
- Output Capacity: 0.7 A per output; 8 A total module @ 40 °C (104 °F) and 6 A total module @ 60 °C (140 °F)
- Network Interface: One Ethernet I/P port for network connection
- Safety Protocol: CIP Safety with fault detection
- Enclosure Type: IP 20
- Operating Temperature: -20 to 55 degrees Celsius
- Safety Certification: TUV certified for SIL 3 and PLe/Category 4
- Series: Guard I/O 1791ES Series A
Typical Applications
The module ensures secure monitoring and control of safety devices, including emergency stops, safety interlocks, and light curtains. Ideal for manufacturing, robotics, and process automation where fast response times and real-time diagnostics are essential. Allen-Bradley 1791ES series CompactBlock modules are built to ensure the advantages of distributed I/O for safety systems.
Compatibility & Replacements
Compatible With
- GuardPLC controllers
- GuardLogix safety controllers
- SmartGuard controllers
- EtherNet/IP safety networks
- DeviceNet safety networks
- CIP Safety protocol (Rockwell Automation)
Replaces / Drop-In Replacement For
- Verify compatibility with your system integrator before ordering to confirm direct replacement eligibility.
Works With
- EtherNet/IP networks
- DeviceNet networks
- CIP Safety protocol
- Studio 5000 Logix Designer (with safety add-on)
- Guard I/O configuration software
