Product Description
The Allen-Bradley 1774-SL scanner module optimizes RSNetWorx with its scanner CCV feature and 256K ADR user memory. It offers operating modes like slave mode, enabling communication with a single master device and controlled data exchange via scan list configuration. It also supports change of state functionality for scans at specific send rates. The module includes LED indicators on the front panel for module and DeviceNet network status, with green indicating normal operation. Pass-through communication facilitates network communication from other networks. Always disconnect chassis power before installation or removal to prevent electrical arcing and potential explosion.
Is Your Device Showing These Signs?
The Allen Bradley 1774-SL programmable logic controller commonly experiences issues such as communication failures stemming from corrupted backplane connections or faulty serial communication interfaces. Memory corruption due to power surges or improper grounding is a frequent problem, leading to program errors and system crashes. I/O module malfunctions, including shorted outputs or open circuits, necessitate module replacement or repair. Firmware corruption during upgrades or due to power interruptions requires reflashing the firmware using a compatible programming device. Power supply failures, indicated by voltage fluctuations or complete loss of power, demand immediate attention to prevent further damage to the PLC system.
Technical specifications
The Allen-Bradley 1774-SL scanner module enhances RSNetWorx with features like scanner CCV and 256K ADR memory. It supports slave mode for single master communication and controlled data exchange using scan lists. Change of state functionality is available for scans at specific rates. LEDs indicate module and DeviceNet network status, with green signifying normal operation. Pass-through communication allows network communication from other networks. Important safety precaution: disconnect chassis power before installation or removal.
Our Repair Process for the
1774-SL
Our repair process for the Allen Bradley 1774-SL programmable logic controller begins with a thorough diagnostic evaluation to pinpoint the source of the malfunction, whether it is communication failure, memory corruption, I/O module malfunction, firmware corruption, or power supply failure. Backplane connections and serial communication interfaces are inspected and repaired or replaced as needed to resolve communication issues. Memory is tested, and in cases of corruption, the system is reprogrammed with a verified backup. I/O modules exhibiting shorts or open circuits are either repaired at the component level or replaced entirely. Firmware is reflashed using a compatible programming device to correct any corruption. Power supplies are meticulously tested for voltage fluctuations or power loss, and faulty units are repaired or replaced to ensure stable operation of the PLC system.
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.

















