In place of the push buttons in Figure 21–4, draw a heavy-duty selector switch for forward-reverse-stop control. Show the target table for this selector switch. FIG. 21–4 Mechanical interlock between the coils prevents the starter from closing all contacts simultaneously. Only one contactor can close at a time.
Electric Motor Control
Electric Motor Control
In place of the push buttons in Figure 21–4, draw a heavy-duty selector switch for forward-reverse-stop control. Show the target table for this selector switch.
FIG. 21–4 Mechanical interlock between the coils prevents the starter from closing all contacts simultaneously. Only one contactor can close at a time.
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