top of page

Allen Bradley 1774-LC2

Allen Bradley

PLCs

1774 PLCs and Modules

1774-LC2

ISO 9001:2015 Certified Quality

Our certified process ensures consistent quality and reliable repairs every time.

​

2-Year Repair Warranty

We stand behind our repairs with an extensive 2-year warranty on parts and labor for your peace of mind.

Fast Turnaround Time

Our efficient process and large parts inventory help minimize your operational downtime.

Expert Component-Level Repair

We find and replace individual failed components, offering a more affordable and effective repair than full replacement.

Free, No-Obligation Quote

Send us your item for a free evaluation and receive a detailed repair quote with no commitment required.

Product Description

The versatile 1774-LC2 processor module offers comprehensive functionality with its digital, diagnostic, analog, motion control, and specialty I/O modules, ensuring it meets diverse user needs. Its advanced design enables rapid response times, simplified installation with minimal wiring, and a compact solid-state configuration for easy maintenance and expansion. Featuring sophisticated instruction sets for easy diagnostics and troubleshooting, the 1774-LC2 integrates all essential processor components, including memory, a pre-installed power supply unit converting AC to DC voltage, a programming device for controlled program loading, and integrated I/O ports. Its communication ports, utilizing binary format and communication buses, facilitate data exchange with remote PLCs. The simplified architecture further ensures faster deployment, and the module incorporates both read-only and random access memory.

Is Your Device Showing These Signs?

The Allen Bradley 1774-LC2 programmable controller commonly experiences issues such as memory corruption leading to program faults, power supply failures causing system downtime, and communication errors stemming from faulty backplane connections or outdated firmware. Resolve these issues through memory diagnostics and replacement, power supply unit repair or substitution, and thorough inspection/reseating of backplane connectors alongside firmware upgrades. Address program logic errors resulting in unexpected machine behavior through PLC program debugging and logic correction. Resolve I/O module communication failures by verifying module configuration and replacing defective I/O modules.

Technical specifications

  • The 1774-LC2 processor module is a versatile and comprehensive unit designed to meet diverse user needs. It offers fast response times, simplified installation, easy maintenance, and expansion. It integrates all essential processor components, including memory, power supply, programming device, and I/O ports, and uses binary format and communication buses for data exchange. Its simplified architecture ensures faster deployment and includes both read-only and random access memory.

Our Repair Process for the

1774-LC2

Our repair process for the Allen Bradley 1774-LC2 programmable controller begins with diagnosing memory corruption, which is resolved through memory diagnostics and component replacement. Power supply failures are addressed via unit repair or complete substitution. Communication errors are corrected through backplane connector inspection, reseating, and firmware upgrades. Program logic errors are rectified through PLC program debugging and logic correction. I/O module communication failures are resolved by verifying module configuration and replacing defective I/O modules.

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.

Repair flow chart new_edited.jpg

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.

American Flag

Ships from Rochester, NY

bottom of page