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- Allen Bradley
- 1791ES-IB8XOBV4
- EtherNet/IP Secure Compact Block Input Module
- USA
- 196 x 77 x 80 mm
- 0.6 kg
- Xiamen, China
- New & In Stock
- T/T, PayPal, Western Union
- 1 Year
- 1-3 Working Days
- DHL, UPS, TNT, FedEx and EMS.
- 24-Hour Service
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Global Logistics
We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
Brand new and original
Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
24-hour service
We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
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Product Overview
In modern industrial automation, safety and secure digital input monitoring are essential for protecting personnel, equipment, and processes. The Allen Bradley 1791ES-IB8XOBV4 EtherNet/IP Secure CompactBlock Input Module is designed to monitor both standard and safety digital inputs over EtherNet/IP networks, enabling safe, coordinated, and efficient process control.
This module ensures that signals from safety devices, such as emergency stops, interlocks, or safety sensors, are transmitted accurately to the control system, providing robust protection and reliable communication in industrial environments.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Allen Bradley |
| Model | 1791ES-IB8XOBV4 |
| Product Type | EtherNet/IP Secure CompactBlock Input Module |
| Function | Safety and standard digital input monitoring |
| Number of Inputs | 8 standard + 8 safety inputs |
| Communication Protocol | EtherNet/IP |
| Dimensions | 196 × 77 × 80 mm |
| Weight | 0.6 kg |
| Mounting Type | Panel / DIN Rail Mountable |
| Input Type | Discrete / Digital |
| Isolation | Built-in electrical isolation |
| Operating Temperature | 0°C to 60°C |
| Environment | Industrial-grade |
| Application | Safety-critical industrial automation |
Function and Working Principle
The 1791ES-IB8XOBV4 module operates by monitoring both standard and safety digital inputs and transmitting this information securely over an EtherNet/IP network. Key functions include:
- High-speed detection of standard and safety discrete inputs
- Built-in electrical isolation for reliable operation
- Secure communication over EtherNet/IP networks
- LED indicators for status, diagnostics, and troubleshooting
- Integrated safety monitoring to comply with industrial safety standards
This ensures accurate, timely, and secure input signal transmission, supporting safe and efficient industrial operations.
Role in Industrial Control Systems
This EtherNet/IP safety input module is critical for automation systems by:
- Monitoring safety and standard field devices such as sensors, switches, and emergency stops
- Providing secure input data to PLCs and distributed control systems
- Supporting fast, coordinated, and safety-compliant process control
- Ensuring reliable operation in electrically noisy or distributed environments
It guarantees that critical inputs are accurately captured and communicated to reduce the risk of accidents or system errors.
Industrial Applications
The Allen Bradley 1791ES-IB8XOBV4 is commonly applied in:
- Safety monitoring in manufacturing and assembly lines
- Emergency stop and interlock circuits
- Material handling and packaging systems requiring safety compliance
- Process control in chemical, food, and beverage industries
- Distributed control system architectures requiring secure and safety-compliant digital inputs
Its compact and industrial-grade construction makes it ideal for safety-critical, high-reliability applications.
Installation and System Integration
Proper installation ensures optimal performance:
- Mounted on panels or DIN rails according to manufacturer guidelines
- Connected to safety and standard field devices with correct wiring
- Integrated into EtherNet/IP networks for secure and coordinated communication
- Ensure correct network termination, grounding, and adherence to wiring standards
- Follow industrial safety, wiring, and environmental requirements
Correct installation guarantees accurate input detection, secure operation, and stable system performance.
Compatible System Components
The 1791ES-IB8XOBV4 typically integrates with:
- Allen Bradley CompactBlock EtherNet/IP masters and controllers
- Safety devices including E-stops, light curtains, and interlocks
- Standard digital field devices such as sensors, switches, and push buttons
- EtherNet/IP network components including cables, switches, and hubs
- PLCs and distributed I/O modules
Together, these components form a secure, scalable, and safety-compliant industrial automation network.
Recommended Alternative Models
| Model | Type | Key Feature | Application |
|---|---|---|---|
| 1791ES-IB8 | EtherNet/IP Input Module | 8 digital inputs, compact | Standard input applications |
| 1791ES-IB16 | EtherNet/IP Input Module | 16 digital inputs | Medium input systems |
| 1791ES-IB8XOBV4 | EtherNet/IP Safety Input Module | 8 standard + 8 safety inputs | Safety-critical applications |
| 1791ES-OB16 | EtherNet/IP Output Module | 16 outputs, coordinated control | Digital output applications |
Key Advantages
- High-speed detection of standard and safety digital inputs
- Secure communication over EtherNet/IP networks
- Built-in electrical isolation for reliability
- Compact and industrial-grade construction
- Supports safety-compliant industrial automation
- Easy integration into PLCs and distributed I/O systems
- Suitable for continuous operation in safety-critical environments
Technical FAQs
What is the main function of the 1791ES-IB8XOBV4?
It provides secure monitoring of standard and safety digital inputs and transmits signals over EtherNet/IP networks.
Where is it typically used?
It is used in safety-critical automation systems, emergency stop circuits, and interlock monitoring applications.
Does it provide electrical isolation?
Yes, built-in isolation ensures reliable operation in electrically noisy industrial environments.
Is it suitable for compact installations?
Yes, its compact form factor allows integration into panels and DIN rail setups.
Conclusion
The Allen Bradley 1791ES-IB8XOBV4 EtherNet/IP Secure CompactBlock Input Module is a robust and reliable solution for safety-critical industrial automation, providing accurate monitoring of standard and safety inputs with secure EtherNet/IP communication.
For engineers and system integrators, this module ensures fast, secure, and continuous input monitoring, supporting safe, efficient, and compliant industrial control operations.