| 摘要 |
PCT No. PCT/JP85/00251 Sec. 371 Date Dec. 20, 1985 Sec. 102(e) Date Dec. 20, 1985 PCT Filed May 1, 1985 PCT Pub. No. WO85/05199 PCT Pub. Date Nov. 21, 1985.An interface unit is connected beween a numerical controller (NC) and an electric power control circuit (PC). The interface unit includes an actual speed memory (50) into which the numerical controller (NC) can write actual speed data and from which the electric power control circuit (PC) can read out the written data, and a corrected speed memory (51) into which the electric power control circuit (PC) can write corrected speed data and from which the numerical controller (NC) can read out the written data. This makes it possible for the electric power control circuit (PC) to detect the actual speed of the numerical controller (NC) by reading out the actual speed memory (50), and to control the actual speed of the numerical controller (NC) by writing the corrected speed data in the corrected speed memory (51).
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