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
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Modern manufacturing relies heavily on automated control systems to maximize throughput and maintain product quality. However, unplanned downtime in industrial automation can cost facility operators thousands of dollars per hour. Understanding how programmable logic controllers (PLCs), distributed control systems (DCS), and field instrumentation fail empowers engineering teams to implement robust preventive maintenance strategies.
Essential Motion Control Commands: A Practical Guide for Engineers
Automation engineers often rely on precise position and speed control to drive modern factory machinery. Modern industrial systems, such as Programmable Logic Controllers (PLCs) and Distributed Control Systems (DCS), depend heavily on standardized motion instructions. Mastering these commands ensures operational safety, protects mechanical components, and optimizes cycle times across production lines.
The Role of Intrinsic Safety Barriers in PLC and DCS Architectures
Implementing robust protection in hazardous industrial environments represents a fundamental safety requirement in factory automation. Process facilities often handle volatile gases, dusts, and chemical agents that pose significant combustion risks. Consequently, control system engineers must deploy energy-limiting interfaces to isolate safe-area control cabinets from hazardous-area field instrumentation. This article examines the function, selection, and electrical principles of intrinsic safety barriers within modern PLC and DCS networks.