As early as 25 years ago, industrial system integrators saw the great potential that the Windows operating system brought to PCs. They saw the possibility of using the advanced graphic capabilities that Windows offered versus the relatively primitive human interfaces of DOS-based applications and those of other proprietary OSes. Windows enabled the development of controllers with advanced human-machine interfaces (HMIs) that provide a whole new level of functionality, and make machines easier to use and maintain. The problem with Windows, however.
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