ESA KVARAControl, which was briefly used in the late 1990s on low-cost CNC machining centres of the SCM group. The Kvara control was used as an integrated control without external separation of PLC and PC. It had a TFT screen with a Windows 95 interface and a membrane keyboard. However, even at that time the hardware of the Windows PC range was not powerful enough, so programming could not be done at a level that was current for the late 1990s. At the end of the 2000s, the Kvara control was again used in low-cost CNC machining centres of the SCM Group, but this time as a pure control unit (PLC) for the management of input and output signals, without a screen and keyboard. A PC or industrial PC was used as the user interface and for managing and editing programmes. |
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