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
Strategic Selection: Choosing the Right SCADA Software for Your PLC Project
In industrial automation, the SCADA (Supervisory Control and Data Acquisition) system acts as the bridge between raw machine data and actionable human intelligence. Selecting the incorrect software platform can lead to integration bottlenecks, scalability issues, and excessive long-term maintenance costs. As an automation consultant with 15 years of experience, I have guided many projects through the selection process. Below are the essential criteria for choosing a platform that ensures both performance and longevity.
Ensuring Operational Continuity: The Strategic Value of Redundant Automation Systems
In modern industrial landscapes, unplanned downtime is the ultimate adversary. For sectors relying on complex PLC and DCS architectures, a single hardware failure can trigger catastrophic production losses. Therefore, implementing redundant automation systems is no longer a luxury; it is a fundamental requirement for mission-critical operations. In this article, I analyze why redundancy remains the backbone of reliable industrial infrastructure.
Selecting the Right Cables for Industrial Automation: A Comprehensive Guide
Selecting the appropriate cabling infrastructure is critical for the success of any industrial automation project. Improper cable selection often leads to signal degradation, system instability, and costly downtime. As an automation engineer, I frequently see projects compromised by poor cabling choices in harsh industrial environments. This guide simplifies the complex landscape of cabling to help you make informed decisions for your PLC, DCS, and control systems.