| 摘要 |
PCT No. PCT/JP89/00836 Sec. 371 Date Apr. 2, 1990 Sec. 102(e) Date Apr. 2, 1990 PCT Filed Aug. 16, 1989 PCT Pub. No. WO90/02364 PCT Pub. Date Mar. 8, 1990.Disclosed is a malfunction diagnosis system used for the diagnosis of a malfunction of a numerical control system (CNC) having a programmable controller (PC) by a remote host computer. A host computer (4) reads input and output signals of a programmable controller (PC), diagnoses the malfunction, and repairs the malfunction by processing the input and output signals, whereby the malfunctions can be repaired by a remote control operation.
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