The frequency converter speed circuit with a link setting case

Published:2011/7/5 6:26:00 Author:Borg | Keyword: frequency converter, speed circuit | From:SeekIC

FR—AL is a link setting case. When the external is used to control the link of the frequency converter, the circuit shown in the figure can be adopted. In the figure, the 4-pin and 5-pin of the converter import a running signal of a 4～20mA DC, by which the rotating speed of motor M is controlled. The 4~20mA DC signal may be from the auto instrument, such as the speed sensor, mechanical sensor and so on.



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