Product Description
The Allen-Bradley 1794-IA16 is a Flex I/O AC discrete input module with 16 non-isolated channels for interfacing with electrical devices. It mounts on a DIN rail and is compatible with Flex I/O communication adapters like 1794-ACN, 1794-AENT, and 1794-ASB. Requiring a separate terminal base (e.g., 1794-TB3, 1794-TBN) for termination and power distribution, it supports daisy-chaining power connections. Operating within a 74-132VAC range (120VAC nominal), it draws 20mA from the FlexBus, dissipates 6.4W at 132VAC, and features 16 yellow status indicators. Key electrical characteristics include off-state current of 2.9mA, on-state current between 5.49mA and 14.81mA (12mA nominal), and isolation tested to 1264VAC. It operates between 32-131F with 5-95% non-condensing humidity, and withstands 5G vibration and 30-50G shock.
Is Your Device Showing These Signs?
The Allen Bradley 1794-IA16 FLEX I/O module commonly experiences issues such as corrupted firmware requiring a re-flash, failures in the input channels due to overvoltage or short circuits necessitating component-level repair or module replacement, and communication faults stemming from backplane connectivity problems or incorrect EtherNet/IP configuration. Field wiring errors, specifically improper voltage application or incorrect terminal assignments, cause immediate module malfunction. Aging components, particularly electrolytic capacitors, lead to performance degradation and eventual failure, demanding proactive component replacement to maintain system uptime. Resolve these issues through firmware updates, meticulous troubleshooting of field wiring, component replacement, and thorough system configuration verification.
Technical specifications
The Allen-Bradley 1794-IA16 is a 16-channel AC discrete input module for Flex I/O systems. It requires a terminal base, mounts on a DIN rail, and works with various Flex I/O communication adapters. It operates on 74-132VAC, draws 20mA from the FlexBus, and has 16 status indicators. Key specs include specific off/on-state currents, 1264VAC isolation, and defined operating temperature, humidity, vibration, and shock resistance.
Our Repair Process for the
1794-IA16
Our repair process for the Allen Bradley 1794-IA16 FLEX I/O module begins with a comprehensive diagnostic evaluation to pinpoint the root cause of the malfunction, whether it be corrupted firmware, input channel failures, communication faults, field wiring errors, or aging components. Firmware is updated or re-flashed to ensure proper operation. Input channels are meticulously inspected for overvoltage or short circuits, with component-level repairs performed or the module replaced as necessary. Backplane connectivity and EtherNet/IP configurations are verified and corrected to eliminate communication faults. Field wiring is thoroughly inspected and corrected to eliminate improper voltage application or incorrect terminal assignments. Finally, aging components, especially electrolytic capacitors, are proactively replaced to prevent future performance degradation and maintain optimal system uptime.
Your Guarantee: Warranty & Lifetime Support
Your satisfaction is our top priority, and we confidently stand behind the quality of our repairs. That's why every repair service is covered by our comprehensive 24-month warranty. Furthermore, we offer lifetime phone support – if you have questions or need assistance related to our repair down the road, we're here to help. Our service commitment is straightforward: we guarantee our work, and if you're not satisfied, we will make it right. Learn More about our Repair process.
Comprehensive Repairs You Can Depend On
We take immense pride in the quality and reliability of our work. Our process goes beyond simply fixing the immediate problem. We perform a comprehensive inspection of your main board (or other equipment) and proactively replace components known to be failure-prone or showing signs of potential future failure. Before any item is returned, it undergoes rigorous functional testing to ensure it meets performance specifications and operates flawlessly. Visit our main Repair Services page to learn more.
Save Significantly
Our primary goal is to save you hundreds, or even thousands, of dollars compared to the cost of new equipment replacement. By repairing existing components, we provide an economical solution that is also eco-friendly. At Roc Industrial, our commitment to integrity and community drives our consistent growth and ensures you receive a reliable, cost-effective solution.
Please Note: Roc Industrial operates as an independent service provider and is not an authorized distributor for the manufacturers or brands mentioned. Consequently, the original manufacturer's warranty is not applicable to items repaired or sold by us. Roc Industrial provides its own 2-year warranty on all repair services performed.
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