Dealing with legacy systems

The control system in a factory is what a motor is to a car, and when something is amiss, the systems integrator will analyse, design, fit and test, to make sure the system is better than ever and raring to go. However, there's a topic that we're finding crops up time and again. Here Nick Boughton, sales manager at Boulting Technology, discusses best practice for obsolescence management from a systems integrator point of view.