Industrial-Grade Safety Input Control with EtherNet/IP Connectivity
The Allen Bradley 1791ES-IB16 EtherNet/IP Safety CompactBlock Input Module is designed to provide high-performance distributed safety input monitoring for advanced industrial automation systems. Combining integrated safety functionality with EtherNet/IP communication, this module helps manufacturers simplify machine safety architectures while maintaining reliable operational control across demanding production environments.
Its compact all-in-one structure reduces installation complexity and supports efficient machine-level integration. Built for modern industrial applications requiring dependable safety performance, the 1791ES-IB16 offers stable communication, streamlined wiring, and long-term operational reliability for critical automation processes.
Technical Specifications & Mechanical Details
| Specification | Details |
|---|
| Product Series | EtherNet/IP Safety CompactBlock |
| Module Type | Safety Input Module |
| Manufacturer | Allen Bradley |
| Model Number | 1791ES-IB16 |
| Communication Protocol | EtherNet/IP |
| Input Channels | 16 Safety Inputs |
| Input Signal Type | 24V DC Digital Inputs |
| Network Interface | Integrated EtherNet/IP Port |
| Mounting Options | DIN Rail / Panel Mount |
| Housing Material | Industrial Thermoplastic |
| Protection Rating | IP20 |
| Operating Temperature Range | 0°C to 55°C |
| Storage Temperature Range | -25°C to 75°C |
| Electrical Isolation | Industrial Isolation Protection |
| Environmental Design | Heavy-Duty Industrial Use |
| Dimensions | Approx. 235 x 105 x 62 mm |
| Weight | Approx. 1.15 kg |
Typical Automation Applications
The 1791ES-IB16 is widely used in industrial systems where reliable safety signal monitoring and EtherNet/IP network integration are essential.
Common applications include:
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Machine safety monitoring systems
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Robotic production cells
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Automated assembly equipment
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Emergency stop circuit monitoring
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Packaging and labeling machinery
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Conveyor and material handling systems
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Automotive manufacturing lines
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Process automation safety systems
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Industrial machine guarding solutions
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Distributed safety I/O installations
Functional Benefits & System Advantages
Integrated EtherNet/IP Communication
The built-in EtherNet/IP interface enables high-speed communication and efficient integration into modern industrial networks.
High-Density Safety Input Capacity
With 16 safety input channels, the module supports multiple safety devices within a single compact platform.
Space-Efficient CompactBlock Design
Its integrated construction helps reduce control cabinet space requirements and simplifies machine layouts.
Simplified Installation Process
Pre-integrated wiring architecture minimizes field wiring complexity and accelerates commissioning procedures.
Reliable Industrial Performance
Designed for continuous industrial operation, the module delivers dependable long-term performance in demanding environments.
Improved Maintenance Efficiency
Organized terminal access and diagnostic-friendly design help reduce troubleshooting and service downtime.
Optimized for Safety-Critical Applications
The module supports reliable machine protection and operational safety across complex automation systems.
Technical FAQs
1. What is the primary function of the 1791ES-IB16 module?
It is an EtherNet/IP Safety CompactBlock module designed for industrial safety input monitoring applications.
2. How many safety inputs does the module provide?
The module includes 16 dedicated safety input channels.
3. Which network protocol does the module support?
The module communicates using the EtherNet/IP industrial communication protocol.
4. Is the module suitable for machine safety systems?
Yes, it is specifically designed for safety-focused industrial automation applications.
5. What operating voltage is required?
The module typically operates on a 24V DC system.
6. Can the module help reduce control cabinet space?
Yes, its compact integrated design supports efficient use of panel and machine space.
7. What industries commonly use this module?
It is widely used in manufacturing, automotive, robotics, logistics, and packaging industries.
8. Does the module support DIN rail mounting?
Yes, it supports both DIN rail and panel mounting methods.
9. Is the module designed for demanding industrial environments?
Yes, it is manufactured using industrial-grade materials for reliable long-term operation.
10. Can the module integrate into distributed safety architectures?
Yes, it is designed for distributed EtherNet/IP safety automation systems.
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