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By working with Servelec Controls our clients reduce their exposure to manageable obsolescence-based risks and extend the commercial viability of their assets through effective migration planning.

As Servelec Controls is vendor independent, our industry-focused and experienced engineers are ideally positioned to provide impartial advice and expert project management services for the replacement of obsolescent equipment.  Over the last 40 years our engineers have installed most of the now obsolete control system equipment still being used today, such as the GEM80 PLC. Our obsolescence services ensure seamless upgrades to the latest market-leading technology and integration with existing infrastructure, while minimising implementation time and costs and reducing downtime. 

The benefits of Servelec Controls’ proactive obsolescence management services include:


Asset Integrity Management
Enhanced system safety and compliance through asset integrity management


Seamless Integration
Reducing downtime through seamless integration with existing infrastructure


Minimised Downtime
Reduced cost through minimised downtime and vendor independent solutions


Extended Asset Life
Extended asset life, reliability and commercial viability


Migration Planning
Reduced exposure to obsolescence based risks through effective migration planning


Ongoing Support
Ongoing support including proactive and preventative maintenance

Why Servelec Controls?


Servelec Controls has vast experience working with legacy systems and using migration technology to mitigate risk and provide long-term upgradeable solutions. Servelec Controls takes a thorough and systematic approach in helping our clients tackle the challenges of obsolescence management, the first objective being to clearly define scope and goals beyond simply replacing obsolete equipment. Servelec Controls’ strategic approach to obsolescence management projects includes:

  • Current sytem status and system support plan assessment
  • Risk analysis for each piece of equipment
  • Prioritisation and proposal of alternate equipment including redesign concepts
  • System design reviews
  • Prototype system build, factory test and debug
  • Installation and commissioning
  • Ongoing review, support and maintenance

Servelec Controls provides:

  • Obsolescence reports with pre-defined scope to ensure requirements determined at the outset are met
  • Identification of critical equipment for maintaining system availability
  • Comprehensive documentation
  • Asset inventory surveys and database establishment
  • Systematic identification and recoding of potentially affected systems and components
  • Evaluation of potential risks and impacts of system obsolescence on the business
  • Development of relevant system obsolescence management processes to mitigate business impact
  • Technical evaluation and comparison of business investment options to identify most optimum investment approach to system obsolescence management to ensure value for money and secure business continuity

Why is proactive obsolescence management for control systems necessary?

All types of industrial control systems have an operational life – as they age their likelihood for failure increases and they become more dependent on spares and maintenance provided by the manufacturer. At some point, the manufacturers of hardware and software will discontinue their maintenance and support of obsolete equipment and normally provide an upgrade path to a newer model or version. The increasing failure rate of ageing components and the diminishing availability of spares and support present significant challenges for operators in national infrastructure markets. Also, the upgrade path provided by manufacturers is not always suitable for users of the legacy equipment or system and they require a different solution.





Case Studies

Magnox Encapsulation Plant

Replacement PLCSellafield

Foyers Fall Power Station

Control System RefurbishmentFoyers Fall, SSE

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