| 摘要 |
A central processing unit (3) receives an interrupt signal from a timer (4) to execute a program of a memory (5) and to control a peripheral equipment (1) through an output section (2). The state of a motor (8) is checked by means of a servo interface (6) and a servo amplifier (7), and an NC command is extracted to interpret it. If an inputting or outputting is required, the function is carried out through a soft contact; but if no inputting or outputting is required, the NC command is carried out. If an inputting or outputting is required at a real contact, the inputting or outputting is carried out through a hardware contact. The method does not require the use of an external or exclusive PLC (programmable logic control), but the functions are carried out by the software of the central processing unit.
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