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
Why 24V DC Is the Universal Standard for Industrial Automation Power Supplies
Industrial manufacturing requires continuous uptime to prevent equipment damage. Unlike AC power, 24V DC circuits seamlessly integrate with UPS units and battery banks. During main grid failures, a 24V DC backup system instantly maintains PLC memory, instrument loops, and critical safety valves without interruption.
Site Acceptance Testing (SAT) for PLC Control Systems: An Engineering Execution Guide
The Site Acceptance Test (SAT) represents the definitive handover stage in industrial automation projects. While the Factory Acceptance Test confirms cabinet hardware assembly off-site, the SAT validates real-world performance under live site conditions. Consequently, a structured execution strategy prevents equipment damage and guarantees seamless integration into plant operations.
Mastering the Factory Acceptance Test (FAT) for PLC Control Panels: An Expert Guide
The Factory Acceptance Test (FAT) is a vital milestone in industrial automation that ensures custom PLC panels meet exact design specifications before dispatch. This guide outlines the step-by-step FAT procedure and key industry best practices to prevent costly site delays and ensure long-term operational success.