| 摘要 |
PURPOSE: A device for automatically recognizing and distributing a numerical control data communication circuit is provided to execute an effective central management of numerical control data by mounting an external interface when a numerical control data loading device is constructed in many machine tools using one personal computer. CONSTITUTION: A computer communication driving device receives communication install data connected to each channel being entered by a personal computer and maintains a waiting state continuously. A RAM receives and stores information data in accordance with a frequency dividing circuit which generates a clock. A ROM is operated in accordance with input data from an exterior by an executable program. A machine communication driving device receives data by a control of a CPU and divides the data into many driving devices. The CPU generally controls the RAM, the computer communication driving device, and the machine communication driving device. An electronic switching circuit executes an automatic recognition for many transmissions/receipts of the machine communication driving device and opens a communication line.
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