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- Allen Bradley
- 1791DS-IB8XOBV4
- DeviceNet Safety CompactBlock Input Module
- USA
- 170 x 76 x 81 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 reliable digital input monitoring are critical to protect personnel, equipment, and processes. The Allen Bradley 1791DS-IB8XOBV4 DeviceNet Safety CompactBlock Input Module is designed to provide secure monitoring of safety and standard input signals over DeviceNet networks, enabling coordinated and safe 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 electrically challenging industrial environments.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Allen Bradley |
| Model | 1791DS-IB8XOBV4 |
| Product Type | DeviceNet Safety CompactBlock Input Module |
| Function | Safety and standard digital input monitoring |
| Number of Inputs | 8 standard + 8 safety inputs |
| Communication Protocol | DeviceNet |
| Dimensions | 170 × 76 × 81 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 1791DS-IB8XOBV4 operates by monitoring both safety and standard digital inputs and transmitting this information securely over a DeviceNet network. Key functions include:
- High-speed detection of safety and standard discrete inputs
- Built-in electrical isolation for reliable operation
- Secure communication over DeviceNet networks
- LED indicators for quick diagnostics and troubleshooting
- Integrated safety monitoring to comply with industrial safety standards
By ensuring accurate and secure signal transmission, this module supports safe and efficient industrial operations.
Role in Industrial Control Systems
This DeviceNet Safety input module is essential for automation systems by:
- Monitoring safety devices, sensors, and standard digital inputs
- Providing secure input data to PLCs and distributed control systems
- Supporting fast, coordinated, and safety-compliant process control
- Ensuring reliable operation in electrically noisy industrial environments
It guarantees that critical safety inputs are reliably captured and communicated to reduce the risk of accidents or equipment damage.
Industrial Applications
The Allen Bradley 1791DS-IB8XOBV4 is commonly used in:
- Safety monitoring in manufacturing and assembly lines
- Emergency stop and interlock circuits
- Material handling and packaging systems requiring safety compliance
- Process control systems in chemical, food, and beverage industries
- Distributed control architectures requiring secure and safe digital inputs
Its compact size and industrial-grade design make 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 DeviceNet networks for secure and coordinated communication
- Ensure proper network termination, grounding, and adherence to safety wiring practices
- Follow industrial safety, wiring, and environmental standards
Correct installation guarantees accurate input detection, safe operation, and stable system performance.
Compatible System Components
The 1791DS-IB8XOBV4 typically integrates with:
- Allen Bradley CompactBlock DeviceNet masters and controllers
- Safety devices such as E-stops, light curtains, and interlock switches
- Standard digital field devices including sensors and push buttons
- DeviceNet network components including cables, terminators, and hubs
- PLCs and distributed I/O modules
These components together form a secure, scalable, and safety-compliant industrial automation network.
Recommended Alternative Models
| Model | Type | Key Feature | Application |
|---|---|---|---|
| 1791DS-IB8 | DeviceNet Input Module | 8 digital inputs, compact | Standard input applications |
| 1791DS-IB16 | DeviceNet Input Module | 16 digital inputs | Medium input systems |
| 1791DS-IB8XOB8 | DeviceNet Safety Input Module | 8 standard + 8 safety inputs | Safety-critical systems |
| 1791DS-IB8XOBV4 | DeviceNet Safety Input Module | 8 standard + 8 safety inputs, high reliability | Safety-critical applications |
Key Advantages
- High-speed detection of safety and standard digital inputs
- Secure communication over DeviceNet 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 industrial environments
Technical FAQs
What is the main function of the 1791DS-IB8XOBV4?
It provides secure monitoring of safety and standard digital inputs and transmits signals over DeviceNet.
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, it includes built-in isolation to ensure reliable operation in electrically noisy environments.
Is it suitable for compact installations?
Yes, its compact design allows integration into panels and DIN rail setups.
Conclusion
The Allen Bradley 1791DS-IB8XOBV4 DeviceNet Safety CompactBlock Input Module is a robust and reliable solution for safety-critical industrial automation, providing accurate monitoring of standard and safety inputs with secure DeviceNet communication.
For engineers and system integrators, this module ensures fast, secure, and continuous input monitoring, supporting safe, efficient, and compliant industrial control operations.