| 摘要 |
PROBLEM TO BE SOLVED: To provide a control method for reducing the size of a voltage-type inverter. SOLUTION: A plural kinds each of two operating function setting values based on the operating specifications of a motor 3 are made to be settable at the inside of a voltage type inverter 4. With a selection command from one input terminal, this voltage-type inverter 4 controls the motor 3 for variable speed based on the operating function setting values switched via the changeover switches 141, 143 and 145. |
