Product Details
Product Description
The Allen-Bradley 1794-OB16 is a Flex I/O digital output module designed to provide 16 sourcing DC outputs for distributed control systems. Compact and reliable, it integrates seamlessly with Flex I/O terminal bases and supports DIN rail mounting for flexible installation. With robust electrical ratings and environmental tolerance, this module is well-suited for industrial automation applications requiring precise output control.
Technical Specifications
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Manufacturer Allen-Bradley
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Product Line Flex I/O 1794
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Part Number 1794-OB16
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Weight 0.25 lbs (0.11 kg)
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Product Type Digital DC Output Module
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Outputs 16 sourcing channels
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Terminal Base Compatibility 1794-TB2, 1794-TB3, 1794-TB3S, 1794-TB3K, 1794-TB3SK
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Nominal Output Voltage 24 V DC
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On-State Voltage Range 10–31.2 V DC
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Indicators 16 yellow status LEDs
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Keyswitch Position 2
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Enclosure Type Open-type
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Mounting DIN rail
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Wire Size Determined by terminal base (22–14 AWG solid, 22–16 AWG stranded)
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Operating Temperature 0–55 °C (32–131 °F)
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Storage Temperature –40–85 °C (–40–185 °F)
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Vibration Resistance 5 g @ 10–500 Hz
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Shock Resistance 30 g operating
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Output Current Rating 8.0 A total
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Max On-State Current per Channel 500 mA
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On-State Voltage Drop (Max) 0.5 V DC
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Off-State Leakage Current (Max) 0.5 mA
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Isolation Voltage 50 V continuous
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Flexbus Current 80 mA @ 5 V DC
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Power Dissipation 5.3 W @ 31.2 V DC max
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Thermal Dissipation 18.1 BTU/hr @ 31.2 V DC max
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Slot Width 1
Application Scenarios
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Distributed I/O systems requiring multiple DC outputs
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Machine-level automation with compact modular design
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Industrial environments needing reliable sourcing outputs with LED status indication
FAQ
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Q: How many outputs does the module provide? A: Sixteen sourcing DC outputs.
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Q: What terminal bases are compatible? A: 1794-TB2, 1794-TB3, 1794-TB3S, 1794-TB3K, and 1794-TB3SK.
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Q: What is the maximum current per channel? A: 500 mA per channel.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Choosing the Right Controller: PLC vs. Motion Controller in Industrial Automation
Selecting the optimal control architecture is a foundational decision in industrial automation. Engineers must frequently choose between a Programmable Logic Controller (PLC) and a dedicated Motion Controller. While both systems manage machinery, their underlying design philosophies differ significantly, impacting performance, scalability, and system integration.
Mastering PLC Power Supply Architectures and Operating Voltages
Selecting the correct operating voltage is a critical step in designing reliable industrial automation systems. Whether you are working with a compact PLC or a large-scale DCS, your power architecture dictates the system's longevity. In this guide, we explore the standard voltage ranges and power distribution strategies required to maintain stable factory automation operations.
Optimizing Power Supply Sizing for Industrial Automation Systems
The power supply is the silent heartbeat of any industrial automation system. While engineers often prioritize processors and communication protocols, a stable power architecture remains the most critical factor for long-term reliability. In my 15 years of experience, I have found that neglecting power supply sizing often leads to ghost errors, intermittent field device failures, and costly production downtime.