Product Description
The Allen-Bradley 2705-P21C RediPanel is a compact, cost-effective, and pre-packaged industrial pushbutton terminal featuring 16 membrane-sealed switches arranged in a 4x4 grid, each with an LED indicator. Designed for NEMA 4X (IP 66) environments, it's protected against airborne contaminants and suitable for indoor industrial use. Powered by an integral 120-240VAC power supply (operating range 85-264VAC, 47-63Hz), it communicates with Allen-Bradley PLC-2, PLC-3, and PLC-5 controllers via Remote I/O Serial Data Link using compatible scanner modules (5250-RS, 1747, 1775, 1772, 1771-SN) over distances up to 10,000 feet at selectable baud rates (57.6K, 115.2K, 230.4K). It operates between 0-60C and can be stored between -40-85C, with a 5-95% non-condensing relative humidity operating range.
Is Your Device Showing These Signs?
The Allen Bradley 2705-P21C HMI commonly experiences issues related to backlight failure, resulting in a dim or unreadable display; this requires backlight replacement. Touchscreen unresponsiveness or inaccurate calibration is another frequent problem, often stemming from a degraded touch sensor or software corruption, mandating recalibration or sensor replacement. Communication errors, specifically with the DH-485 network, arise due to faulty communication ports or incorrect network configuration; verify cabling, port integrity, and network parameters. Power supply failures, indicated by intermittent operation or complete shutdown, necessitate power supply repair or replacement. Finally, memory corruption leads to program errors or data loss, demanding a memory module replacement or firmware re-flashing.
Technical specifications
The Allen-Bradley 2705-P21C RediPanel is a ready-to-use, industrial pushbutton terminal with 16 membrane switches, LED indicators, and NEMA 4X protection. It's powered by a built-in 120-240VAC power supply and communicates with Allen-Bradley PLCs via Remote I/O Serial Data Link over long distances at selectable baud rates. It's designed for indoor industrial environments and operates within a specified temperature and humidity range.
Our Repair Process for the
2705-P21C
Our repair process for the Allen Bradley 2705-P21C HMI begins with a comprehensive diagnostic evaluation to pinpoint the failure. Backlight failures are resolved through direct backlight replacement, restoring display visibility. Touchscreen unresponsiveness undergoes recalibration; if unsuccessful, the touch sensor is replaced. DH-485 communication errors are addressed by verifying cabling, assessing port integrity, and correcting network parameters. Power supply failures require either component-level repair or complete power supply replacement. Memory corruption issues are rectified by replacing the memory module or re-flashing the firmware, ensuring proper program execution and data retention.
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.