| 摘要 |
In a numerical control device, program data entered via a console are used to prevent the interference of production data used to control operations. Separate consoles are provided, one of which is used exclusively for input and output of production data and the other is used for the input and output of program data and related operations. The central processing unit includes corresponding first and second data input/output circuits, which are linked to the first and second console in each case (Fig. 2). <IMAGE>
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