Product Description
The Allen-Bradley 1761-HHP-B30 is a hand-held programmer for MicroLogix 1000 controllers, connecting via RS-232 using the DFI full-duplex protocol for reliable, bi-directional communication with error detection and retries. It features a 2-line, 16-character LCD, a color-coded rubber/carbon keypad, and operates on 24V DC with a power rating of 2.0 Watts. Its operating temperature range is 0-50C, with a storage range of -20-60C. It withstands vibrations of 10-50 Hz at 0.76mm peak-to-peak displacement and shocks of 50g peak acceleration for 11-1ms. Dimensions are 3.74" W x 6.69" H x 1.37" D. It is UL listed for Class 1 Division 2, Groups A-D and CE marked, but incompatible with the AIC+ interface.
Is Your Device Showing These Signs?
The Allen Bradley 1761-HHP-B30 is a common PLC hand-held programming device, and typical repairs address issues such as a non-functional LCD screen requiring replacement, a faulty membrane keypad with unresponsive buttons necessitating a new overlay, communication failures due to a damaged RS-232 port that demands soldering repair or port replacement, and internal power supply malfunctions causing complete failure, often fixed by replacing capacitors or other power components. We also resolve issues with corrupted firmware requiring a reflash or memory chip replacement, and address physical damage to the housing or connectors, ensuring robust functionality and reliable PLC programming.
Technical specifications
The Allen-Bradley 1761-HHP-B30 is a hand-held programmer designed for MicroLogix 1000 controllers. It communicates via RS-232 using the DFI protocol, features a 2x16 LCD screen and a color-coded keypad, and operates on 24V DC. It's built to withstand certain levels of vibration and shock, has a specified operating and storage temperature range, and is UL listed and CE marked, but doesn't work with the AIC+ interface.
Our Repair Process for the
1761-HHP-B30
Our repair process for the Allen Bradley 1761-HHP-B30 involves a thorough assessment to diagnose the specific fault, followed by targeted repairs. A non-functional LCD screen is replaced, a faulty membrane keypad receives a new overlay, and communication failures due to a damaged RS-232 port are corrected with soldering repair or port replacement. Internal power supply malfunctions are resolved by replacing capacitors or other power components. Corrupted firmware is addressed through a reflash or memory chip replacement, and any physical damage to the housing or connectors is repaired to ensure robust functionality and reliable PLC programming.
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.

















