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Product Description
The Allen-Bradley 1764-28BXB is a MicroLogix 1500 base unit providing embedded I/O, power supply, and communication port for Allen-Bradley MicroLogix 1500 programmable controllers. It features 8 standard and 8 high-speed 24VDC inputs, 6 relay outputs, 4 standard and 2 fast FET outputs, and supports I/O expansion, real-time clock, memory modules, and serial communication. It requires a 1764-LSP or 1764-LRP processor to function and is designed for horizontal mounting with specific dimensions and power consumption characteristics.
Is Your Device Showing These Signs?
The Allen Bradley 1764-28BXB MicroLogix 1500 controller commonly experiences issues such as corrupted PLC programs requiring firmware reflashing, power supply failures leading to intermittent operation, and communication faults on the RS-232 or DH-485 ports due to electrical noise or improper termination. Resolve I/O module failures by replacing faulty units, and address CPU faults by verifying proper grounding and checking for excessive environmental temperatures. Memory corruption is resolved through memory clearing and program reloading. Back up the PLC program regularly to mitigate data loss.
Technical specifications
The Allen-Bradley 1764-28BXB is a MicroLogix 1500 base unit that includes built-in I/O, a power supply, and a communication port. It offers various input and output types, supports expansion modules, and requires a 1764-LSP or 1764-LRP processor to operate. It's designed for horizontal mounting and has specific power consumption requirements.
Our Repair Process for the
1764-28BXB
Our repair process for the Allen Bradley 1764-28BXB MicroLogix 1500 controller begins with a comprehensive diagnostic evaluation to identify the root cause of the malfunction. For corrupted PLC programs, firmware is reflashed to restore proper operation. Power supply failures are addressed through component-level repair or complete power supply replacement. Communication faults on the RS-232 or DH-485 ports require inspection of cabling, termination, and noise filtering, with component replacement performed as needed. I/O module failures are resolved by replacing the faulty units with tested and verified modules. CPU faults are addressed by verifying proper grounding and ensuring the controller operates within specified temperature ranges. Memory corruption necessitates memory clearing and program reloading from a verified backup. Regular PLC program backups are essential to prevent data loss and expedite the recovery process.
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