Q4: Design a ladder logic program to run the three Motors: (Y0= oil pump motor, Y1 = auxiliary motor, Y2= main motor) according to the following information: The ON/OFF sequence of all three motors should be as per table given below. The sequence should continue till start input is present. In addition, stopping all motors immediately when STOP is pressed. Motors ON/OFF Sequence Table Time In Seconds Motors 0-5 5-10 10-15 15-20 20-25 25-30 YO ON ON ON OFF OFF OFF Y1 OFF OFF SON ON SON OFF Y2 ON OFF OFF OFF ON ON OIL Motor Auxillary Motor Main Motor Page 3 of 3 START XO STOP X1

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)
10th Edition
ISBN:9781337399128
Author:Russell E. Smith
Publisher:Russell E. Smith
Chapter8: Basic Electric Motors
Section: Chapter Questions
Problem 46RQ: Explain the operation of the direct current motor used in mini-split units.
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Q4: Design a ladder logic program to run the three Motors:
(Y0= oil pump motor, Y1 = auxiliary motor, Y2= main motor)
according to the following information:
The ON/OFF sequence of all three motors should be as per table
given below. The sequence should continue till start input is present.
In addition, stopping all motors immediately when STOP is pressed.
Motors ON/OFF Sequence Table
Time In Seconds
Motors
0-5
5-10
10-15
15-20
20-25
25-30
YO
ON
ON
ON
OFF
OFF
OFF
Y1
OFF
OFF
SON
ON
SON
OFF
Y2
ON
OFF
OFF
OFF
ON
ON
OIL Motor
Auxillary Motor
Main Motor
Page 3 of 3
START XO
STOP X1
Transcribed Image Text:Q4: Design a ladder logic program to run the three Motors: (Y0= oil pump motor, Y1 = auxiliary motor, Y2= main motor) according to the following information: The ON/OFF sequence of all three motors should be as per table given below. The sequence should continue till start input is present. In addition, stopping all motors immediately when STOP is pressed. Motors ON/OFF Sequence Table Time In Seconds Motors 0-5 5-10 10-15 15-20 20-25 25-30 YO ON ON ON OFF OFF OFF Y1 OFF OFF SON ON SON OFF Y2 ON OFF OFF OFF ON ON OIL Motor Auxillary Motor Main Motor Page 3 of 3 START XO STOP X1
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