| 摘要 |
PURPOSE:To certainly prevent a count type indexing device from misindexing by providing a check signal detector and a means for checking the remaining of every signal in addition to a count signal detector. CONSTITUTION:The drive control system of a count type indexing device is provided with a count signal detector 1, a counter 2 supplied with signals S1 from the detector 1, and a comparison apparatus 4 to which the output value from the counter 2 and the command value from a command section 3 are given. The command value to the indexing device is compared with the value of the counter 2, and when the count value corresponds to the command value, a drive device 5 stops completely indexing. And the drive control system is provided with a check signal detector 6 and is supplied with check signals S2 together with the signals S1. In addition, the system is provided with a misindex preventive device 7, detector 8, and origin check device 9. |
