As technology upgrades reshape industrial automation, staying ahead requires a careful orchestration between rapid adoption and strategic implementation.
Experienced automation specialists who have guided manufacturers through control system transformations have witnessed firsthand how upgrading programmable logic controllers (PLCs) accelerates productivity and increases safety and security.
Modern PLCs are efficiency multipliers, delivering lightning-fast processing speeds that dramatically reduce cycle times and boost output. New PLCs are packed with advanced capabilities and speed that legacy systems can’t match, including:
- Enhanced data processing
- Seamless cloud connectivity
- AI-driven automation
- Cybersecurity features address concerns in connected industrial environments
Based on our insights from thousands of successful PLC migrations, three essential factors consistently separate smooth migrations from problematic ones. These factors make all the difference, proving that upgrading control systems is easier than you think.
Success factor #1: Thorough site assessment
Conducting a comprehensive site assessment is a crucial first step. This detailed report is delivered to the end-user maintenance manager, outlining identified risks and recommended actions to elevate operational performance. At this stage, this report also helps secure budget allocation and proper project prioritization.
This proactive approach has helped customers save countless hours and thousands of dollars by identifying potential issues before they become problems.
Include your operations and maintenance personnel in this step. Their firsthand knowledge and daily interactions with the system can further reveal issues and lessons learned that can lead to the right solution.
Success factor #2: The right tools make all the difference
For end users concerned about legacy PLC obsolescence, having the right software engineering tools to support code conversion helps to quickly move and maintain what could otherwise be considered a high-risk project into a methodical, low-stress upgrade. These specialized tools form the backbone of risk mitigation and efficiency.
In addition, plug-and-play wiring adapters eliminate the need to disconnect and reconnect hundreds of individual wires, which is often the most time-consuming and error-prone part of the migration process. Wiring adapters maintain signal integrity while dramatically reducing cutover time.
Success factor #3: A balanced migration team
Even with a comprehensive assessment and specialized toolkit, migration ultimately depends on having the right team, including both technology and process perspectives, that understands current needs, challenges, and long-term goals for the initiative.
Technology migrations benefit from on-site specialists with deep knowledge of both legacy and new systems. They understand the capabilities and limitations of each platform, enabling efficient translation between systems. Certified engineers with experience across multiple PLC generations help ensure no technical detail is overlooked, whether it’s to keep PLC code running as-is or change it. Experienced implementers can also anticipate common pitfalls and know how to recover quickly when unexpected issues arise.
Strategic takeaways
PLC migration projects are complex, but don’t have to be risky or disruptive. A smooth upgrade, carefully orchestrated to uphold organizational best practices, can position operations for years of enhanced productivity.
Putting it all together, successful PLC migrations bring together assessment, tools, and team expertise, along with an understanding of the technical requirements, operational constraints, and business objectives. Ultimately, organizations can boost productivity by working closely with a technology solutions provider, thereby minimizing the risk of disruption and downtime.
Our thermal power facility customer PLC upgrade project illustrated how success is based on smart planning and expert execution.
Facing obsolete controls and weak vendor support, our customer turned to Schneider Electric to conduct a full audit. Using our Modicon M580, modernization kits, and software conversion tools, their migration was a low-risk and efficient process.
The result: On-time delivery of a cyber-secure and future-ready system with integrated DCS and PLCs.
A prime example of how a well-executed PLC upgrade can transform operations and ensure long-term success.
For more insights on PLC migration, follow this blog series and read our “Critical Success Factors in PLC Migration” white paper, which focuses on key steps in the migration process and the factors contributing to project success.
About the author
Fernando Capelari, PLC Modernization Offer Manager
With over 25 years of experience in Industrial Automation and business development, Fernando has held a series of strategic roles across Schneider Electric Americas operations. Currently serving as the Global Offer Manager for PLC Modernization solutions at Schneider Electric, he has previously driven growth initiatives as the Americas Business Development Manager for EcoStruxure Process Expert (Hybrid DCS) and Process Automation solutions in the MMM sector. Fernando’s career spans roles in product management, business development, strategic marketing, and the integration of multiple companies acquired by Schneider Electric over the past few years, showcasing a strong track record in developing and executing innovative automation solutions across diverse industries.
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