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Product Description
The Allen-Bradley 1771-ILK is a conformally-coated analog input module featuring 8 isolated 1000V differential inputs with 15-bit plus sign resolution and a 500 ms update rate for all channels. It supports natural binary or BCD scaling to +/- 9999 data formats, rack mounting with a 1771-WD wiring arm, and requires no external power. The module includes a status indicator and accepts voltage ranges of 0-5V DC, 1-5V DC, -5-5V DC, 0-10V DC, and -10-10V DC, as well as current ranges of 4-20 mA, 0-20 mA, and -20-20 mA. It draws 1.3 A from the backplane and has typical AC and DC signal delays of 24 ms +/- 9 ms and 20 ms +/- 9 ms respectively (for off state).
Is Your Device Showing These Signs?
The Allen Bradley 1771-ILK I/O module commonly exhibits issues such as backplane communication failures, often traced to corrupted firmware or a malfunctioning power supply. Resolve intermittent input signals by inspecting field wiring terminations and addressing corroded pins on the connector. Module failures are frequently attributed to component degradation from thermal stress or electrostatic discharge; replacement of the unit is required. Address configuration errors by verifying the correct I/O table mapping within the PLC program. Resolve bus communication faults by inspecting the DH+ network for proper termination and cable integrity.
Technical specifications
The Allen-Bradley 1771-ILK is a conformally coated analog input module with 8 isolated differential inputs. It offers 15-bit plus sign resolution, a 500 ms update rate, and supports natural binary or BCD scaling. It's designed for rack mounting, requires no external power, and accepts various voltage and current ranges. It draws 1.3 A from the backplane and has specific AC and DC signal delays.
Our Repair Process for the
1771-ILK
Our repair process for the Allen Bradley 1771-ILK I/O module begins with a thorough diagnostic evaluation to pinpoint the root cause of the failure, focusing on backplane communication, intermittent input signals, component degradation, configuration errors, and bus communication faults. We inspect field wiring terminations and address corroded connector pins to resolve signal issues. If firmware corruption or power supply malfunction is detected, the module is reprogrammed or the power supply is replaced. In cases of component degradation due to thermal stress or electrostatic discharge, the entire unit is replaced. Configuration errors are corrected by verifying and updating the I/O table mapping within the PLC program. Bus communication faults are resolved by inspecting and correcting DH+ network termination and cable integrity, ensuring proper network functionality.
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.
Buying Options
To receive a quote within 2 hours, please provide us with the details of your requirements. Our team will promptly review your request and send you a custom offer.
Ships from Rochester, NY