REPLACEMENT OF THE RELAY CONTROL SYSTEM IN AN OLD IMPORT WINDING TYPE VACUUN COATING EQUIPMENT WITH PROGRAMMABLE CONTROLLER
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Graphical Abstract
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Abstract
A method to replace the relay control system of an old import winding-type vacuum coating equipment with a programmable controller(PC) is introduced. A great deal of attention is paid to the choice of the PC model and the disposition of the related hardware. The method is also suitable to the control of home-made coating equipment.
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