| 摘要 |
PROBLEM TO BE SOLVED: To prevent failure from secondarily increasing and specify the source of failure when load or control element of a knitting machine is broken down. SOLUTION: In a knitting machine in which pulse driving is carried out by connecting FET122 to a coil 8 of actuator of the knitting machine, a resistance R2 for detecting electric current is provided and peak value and average value of the current waveform are monitored by comparators 32 and 34 and whether the current waveform is lower than monitoring level of breaking of wire or not is monitored by a comparator 36. The waveforms of clock signal, data signal and load pulse of FPGA4 for control are further monitored by an output pin of FPGA4. When any abnormality is detected, the cause is recorded and displayed and knitting action of the knitting machine is stopped. COPYRIGHT: (C)2007,JPO&INPIT
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