Deck 8: Multiple Push Button Stations

Question 1

Figure 8-4

What type of diagram is shown in the accompanying figure? What are the numbers which are shown called?

Answer 1

The accompanying figure shows a schematic or ladder diagram and the numbers shown are called wire numbers.

Question 2

When a component is used to perform the function of stop in a control circuit, it will generally be a normally ____________________ component.

Answer 2

closed

Question 3

When a component is used to perform the function of stop in a control circuit, it will generally be connected in ____________________ with the motor starter coil.

Answer 3

series

Question 4

When M coil energizes, only the first M contact changes position.

Question 5

When a component is used to perform the function of start it is generally normally ____________________.

Question 6

Figure 8-2

Based on the accompanying figure, what happens to the three load contacts connected between the three phase power line and the motor after either START button is pressed?

Question 7

Figure 8-1

The accompanying figure shows the addition of a(n) ____________________ button to the circuit.

Question 8

Figure 8-1

Based on the accompanying figure, describe how the additional button is added to the circuit.

Question 9

There may be times when it is desirable to have more than one START-STOP push button station to control a motor.

Question 10

When a component is used to perform the function of start it is generally connected in ____________________ with the existing START button.

Question 11

The basic START-STOP push button control circuit discussed in Chapter 7 can be modified to include a second STOP and START push button.

Question 12

Based on the accompanying figure, what happens if either START button is pressed?

Question 13

Figure 8-5

What type of diagram is shown in the accompanying figure?

Question 14

Figure 8-3

The accompanying figure shows the components needed to produce a wiring diagram.

Question 15

A wiring diagram cannot be developed from a schematic.