Product Description
The Allen-Bradley 1745-LP154 is a user-friendly, microprocessor-based SLC 150 series PLC. It features 18-30V DC power, 20 DC sinking inputs, and 12 AC/DC relay outputs. It includes capacitor backup, optional battery backup, CMOS RAM with a 4ms scan time, and 1200 words of user memory. It tolerates vibration up to 2.5g and operates between 32-140F. Programs can be stored and loaded using the optional 1745-M1 EEPROM module, and programming is done via a pocket programmer using an interface converter. I/O can be expanded up to 112.
Is Your Device Showing These Signs?
The Allen Bradley 1745-LP154 PLC processor commonly experiences issues such as program corruption necessitating memory re-initialization and program reload. Power supply failures within the unit cause intermittent operation or complete system halt, requiring power supply replacement. Communication faults arise from corrupted backplane connections or faulty communication ports, demanding backplane inspection and port repair or replacement. Firmware corruption leads to unpredictable behavior; a firmware upgrade resolves this. Component degradation due to age and environmental factors results in operational instability, necessitating component-level repair or complete unit replacement.
Technical specifications
The Allen-Bradley 1745-LP154 is a user-friendly SLC 150 series PLC with 18-30V DC power, 20 DC sinking inputs, and 12 AC/DC relay outputs. It has capacitor backup, optional battery backup, CMOS RAM with a 4ms scan time, and 1200 words of user memory. It's vibration-resistant and operates in a wide temperature range. Programs can be stored on an optional EEPROM module and programmed via a pocket programmer. I/O is expandable to 112 points.
Our Repair Process for the
1745-LP154
Our repair process for the Allen Bradley 1745-LP154 PLC processor begins with a comprehensive diagnostic evaluation to pinpoint the failure. Program corruption requires immediate memory re-initialization and program reload. Power supply failures necessitate a complete power supply replacement. Communication faults demand a thorough backplane inspection and subsequent port repair or replacement. Firmware corruption is resolved through a mandatory firmware upgrade. Component degradation results in component-level repair, or if deemed irreparable, a complete unit replacement is performed.
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