| 摘要 |
PURPOSE:To set the number of rotations to a specified one easily and quickly when changing the number of rotations of a rotating classifier by stages. CONSTITUTION:This controller is equipped with a starting circuit 66 equipped with a push button switch ST2 for start and a relay coil R2 and setting circuits 64a, 64b, 64c, and 64d for the number of rotations equipped with operation switch residual contacts PB2, PB3, PB4, and PB5, and relay coils R3, R4, R5, and R6, and the push button switch ST2 for start and the operation switch residual contacts PB2, PB3, PB4, and PB5 are turned on in order. Therefore, the normally open relay contacts of a feeble current adjusting circuit become on in order, and the current being adjusted to constant voltage with a constant voltage circuit 41 is adjusted by stages by the feeble current adjuster of the feeble current adjusting circuit. |
