If a three-phase motor controlled by the control circuit illustrated in figure "B" of the illustration, is running in the forward direction, which of the following sequences must occur before the motor will reverse rotation? Illustration EL-0011
A
First, the motor must be stopped via the stop button, then normally open 'F' contacts must reclose, and finally the reverse start button must be depressed.
B
First, the motor must be stopped via the stop button, then normally closed 'F' contacts must re-open, and finally the reverse start button must be depressed.
C
First, the motor must be stopped via the stop button, then normally closed 'F' contacts must re-close, and finally the reverse start button must be depressed.
Question 1 / 2066636eed28f7522a1c51dc66
Question 1 of 2066636eed28f7522a1c51dc66
If a three-phase motor controlled by the control circuit illustrated in figure "B" of the illustration, is running in the forward direction, which of the following sequences must occur before the motor will reverse rotation? Illustration EL-0011
If a three-phase motor controlled by the control circuit illustrated in figure "B" of the illustration, is running in the forward direction, which of the following sequences must occur before the motor will reverse rotation? Illustration EL-0011
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D
First, the motor must be stopped via the stop button, then normally open 'F' contacts must reopen, and finally the reverse start button must be depressed.