Description 
The Allen-Bradley 1791DS-IB16 is a safety-rated digital input module from the CompactBlock Guard I/O family. It provides 16 single-channel inputs for monitoring safety devices over DeviceNet, supporting SIL 3 and Category 4 safety applications.
Specifications
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Model: 1791DS-IB16 
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Brand: Allen-Bradley (Rockwell Automation) 
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Input Channels: 16 digital inputs 
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Input Voltage Range: 19.2–28.8V DC 
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Nominal Voltage: 24V DC 
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Network Interface: DeviceNet 
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Safety Ratings: 
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Mounting Type: DIN rail 
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Enclosure Type: IP20 
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Operating Temperature: -20°C to +55°C 
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Lifecycle Status: Active 
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Warranty: 12 months 
Features
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Safety Integration: Designed for use in safety-critical applications requiring SIL 3 and Cat 4 compliance 
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DeviceNet Communication: Enables real-time diagnostics and control over industrial networks 
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Compact Design: Space-saving form factor for panel installations 
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Fast Response: Supports rapid input polling for emergency stop and guard monitoring 
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Diagnostic Capabilities: Detects open circuits, short circuits, and cross faults 
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Flexible Deployment: Suitable for use in automotive, packaging, and heavy machinery sectors 
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Global Availability: Supported by Rockwell Automation’s worldwide distribution and service network 
 
            
                
    
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