Adding Touchscreen Panels into Existing Industrial Control Systems
Upgrading an industrial control system often begins with the human-machine interface, and touch panels have become the default choice for plant personnel who need to oversee processes quickly. But replacing a touchscreen into a system that was designed decades ago is rarely a easy plug-and-play exercise. Legacy programmable logic controllers, older wiring, and communication protocols that predate modern networking standards all complicate the process. The first factor is
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