Machine tool input–output (I/O) signal lines are usuallyconnected to the programmable logic controller (PLC). I/O signalsare mostly digital binary at DC24V. Analog signals can be receivedby the PLC, but a generic PLC is not suitable to receive high-speedanalog signals in sensing technology studies. The sampling raterequired for acceleration sensors exceeds several kHz, which isseveral fold of chatter vibration frequency. Since generic PLCcontrol cycles commonly perform only in the millisecond range,we developed a platform that allows machine tool manufacturersto utilize sensor data without PLC or NC unit limitations
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