| 摘要 |
PROBLEM TO BE SOLVED: To provide a numerical control system with improved safety when a plurality of systems each operating asynchronously are operated as one control system. SOLUTION: The numerical control system comprises a machine control system and a collision detection system. The machine control system outputs an instruction generated through interpretation of a program, while giving an instruction number thereto; sends the instruction to the collision detection system and receives check result data from the collision detection system; analyzes the check result data when the number of those with the check result data obtained among the instructions stored in an instruction buffer is equal to or more than a preset second threshold; and outputs the instruction number given to the check result data when there is no collision possibility. When sending back a result of checking the collision possibility of the instruction received from a cooperation data transceiver, the collision detection system sends back to the cooperation data transceiver the check result data with the instruction number given to the checked instruction given thereto. COPYRIGHT: (C)2008,JPO&INPIT
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