The frequency speed circuit with a remote control box

Published:2011/7/5 20:36:00 Author:Borg | Keyword: frequency speed circuit, remote control box | From:SeekIC

In the circuit , FR-FK is a remote control box. When the converter can't be operated due to the environment or the environment protection condition, or it can't be centrally controlled, this circuit can be used to solve these problems. The remote control box(module) connects with 3 external keys (acceleration, deceleration and offset) and a starting switch. When it is operated, the switch is closed first, and other keys are pressed according to need. The terminals of M1 and M2 of FR-FK are connected with the frequency counter, whose 2-pin and 5-pin are linked with the 2-pin and 5-pin of the converter shielding line.



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