Product Description
The Allen-Bradley 2080-LC50-48QWB is a Micro 850 series PLC designed for micro and small automation, featuring DIN rail or panel mounting. It has 28 24V DC/AC inputs, 20 relay outputs, and 6 HSC inputs (up to 10 kHz), totaling 48 I/O points. It includes a configurable RS-232/RS-485 serial port supporting Modbus RTU, ASCII, and CIP, a USB programming port, and a 10/100 Base-T Ethernet port with LED indicators. It supports expansion modules like RS-232/RS-485 isolated serial and DeviceNet scanner modules, along with optional memory backup and high-accuracy RTC. The controller uses Ladder Diagram, Function Block Diagram, and Structured Text programming languages, with 20K bytes of data memory and a 10K step program capacity. It operates on 20.4-26.4V DC (Class 2), consuming approximately 33W, and accepts 110V AC input signals (max 132V AC). Wiring requires 0.2-2.5 mm (24-12 AWG) copper wire, with up to two wires per port. It's rated IP20, C300, R150, and withstands -20 to 65C (-4 to 149F) operating temperature and 5-95% relative humidity (non-condensing). It's ESD sensitive, immune to 4kV contact and 8kV air discharges, and withstands 2G vibration (10-500 Hz) and 25G shock. The unit weighs 0.725 kg (1.60 lbs) and measures 90 x 238 x 80 mm (3.54 x 9.37 x 3.15 inches). It also supports Run Mode Change (RMC) and Run Mode Configuration Change (RMCC) capabilities.
Is Your Device Showing These Signs?
The Allen Bradley 2080-LC50-48QWB Micro850 PLC commonly experiences issues such as communication failures due to corrupted firmware or incorrect Ethernet/IP configuration. Resolve program execution errors stemming from improper ladder logic programming or memory allocation. Address I/O module malfunctions, including sensor connectivity problems and actuator control failures, by verifying wiring and replacing defective components. Rectify power supply instability causing intermittent operation or complete system shutdown through voltage regulation and power source inspection. Correct issues with embedded high-speed counter/PTO outputs due to configuration errors or hardware damage.
Technical specifications
The Allen-Bradley 2080-LC50-48QWB is a Micro 850 series PLC for small automation, offering 48 I/O points (28 inputs, 20 outputs, 6 HSC inputs), multiple communication ports (RS-232/485, USB, Ethernet), and expansion module support. It's programmable in Ladder Diagram, Function Block Diagram, and Structured Text, with 20KB data memory and 10K step program capacity. It operates on 24V DC, consumes 33W, and accepts 110V AC input signals. It's designed for DIN rail/panel mounting, supports various wiring standards, and is rated IP20 for environmental protection, withstanding a wide temperature and humidity range, vibration, and shock. It also features Run Mode Change (RMC) and Run Mode Configuration Change (RMCC) capabilities.
Our Repair Process for the
2080-LC50-48QWB
Our repair process for the Allen Bradley 2080-LC50-48QWB Micro850 PLC begins with diagnosing communication failures by reflashing corrupted firmware or correcting Ethernet/IP configurations. Program execution errors are resolved by debugging ladder logic programming and optimizing memory allocation. I/O module malfunctions, including sensor connectivity and actuator control, are addressed by verifying wiring and replacing defective components. Power supply instability, causing intermittent operation or system shutdown, is rectified through voltage regulation and power source inspection. Issues with embedded high-speed counter/PTO outputs are corrected by addressing configuration errors and repairing hardware damage.
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
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Ships from Rochester, NY