Activities Manual for Programmable Logic Controllers
5th Edition
ISBN: 9781259679568
Author: Petruzella, Frank
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 13, Problem 14P
The
- a. Examine the ladder logic and describe how the circuit would operate as programmed.
- b. Troubleshoot the program and identify what needs to be changed to have it operate properly.
Figure 13-39 Program for Problem 14.
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Table 3
INPUTS
OUTPUTS
Y
F
A3. Connect the circuit shown in Fig. 4.2. Apply the inputs X and Y in Table 2 with data
switches. Monitor the output with the probe and record the output for each set of inputs in the
F column of Table 2.
1
1
1
1
A6. Construct the expression obtained in A4 by using only NAND gates. Draw and implement
the NAND gates connection diagram of the function. Record the output for each set of inputs
in the F column of Table 4. (Note that A+B = (A'.B')
F
F=
Fig. 4.2
Table 2
INPUTS
OUTPUT
Y
F
Table 4
1
INPUTS
OUTPUTS
1
F
1
1
1
A4. Express the function in Fig. 4.2 as a sum of minterms (sum-of-products) using Table 2.
1
1
F=
Questions (True or False):
# Question
1 All the logic functions can be implemented with only
NAND Gates.
(T/F)
2
A5. Draw the logic circuit of the expression obtained in A4 by using NOT, OR, AND gates.
B
Implement the logical circuit to monitor the output with a probe and record the output for each
set of inputs in the F column of Table 3.
1. Design a logic circuit that has 3 inputs A, B, and Cand one output F. The output of the circuit is to be F = 1if the number of
ones in input variables (ABC) is even, otherwise F=0. Construct the truth table.
2. Fnd the minterm expansion for the combinational circuit represented by the following truth table:
АВСЕ
0000
0011
0100
0111
1001
1011
1100
1111
Use the editor to format your answer
Develop the ladder logic diagram to fill the tank. 1. Filling the water tank up to 80%. When the tank is filled, turn ON the heater to raise the temperature up to 70-degree C.2. when this temperature is reached, turn OFF the heater & open the outlet valve.3. When the level in the tank falls below 10%, closes the output valve and start filling the tank again.4. A digital counter is used to monitor the number of times the tank is emptied (reaches 10%). Once the counter reaches to 8 times, the system is stopped.
Chapter 13 Solutions
Activities Manual for Programmable Logic Controllers
Ch. 13 - Prob. 1RQCh. 13 - Prob. 2RQCh. 13 - Prob. 3RQCh. 13 - List three potential noise-generating inductive...Ch. 13 - Prob. 5RQCh. 13 - Prob. 6RQCh. 13 - Prob. 7RQCh. 13 - Under what condition can a ground loop circuit be...Ch. 13 - Prob. 9RQCh. 13 - What operating state will cause an inductive load...
Ch. 13 - Prob. 11RQCh. 13 - Prob. 12RQCh. 13 - Prob. 13RQCh. 13 - Prob. 14RQCh. 13 - Prob. 15RQCh. 13 - List four uses for the data monitor function.Ch. 13 - Prob. 17RQCh. 13 - Prob. 18RQCh. 13 - Prob. 19RQCh. 13 - Prob. 20RQCh. 13 - Prob. 21RQCh. 13 - Prob. 22RQCh. 13 - Prob. 23RQCh. 13 - Prob. 24RQCh. 13 - Prob. 25RQCh. 13 - Prob. 26RQCh. 13 - Prob. 27RQCh. 13 - Prob. 28RQCh. 13 - Prob. 29RQCh. 13 - Prob. 30RQCh. 13 - Prob. 1PCh. 13 - A fuse is blown in an output module. Suggest two...Ch. 13 - Prob. 3PCh. 13 - Prob. 4PCh. 13 - Prob. 5PCh. 13 - Prob. 6PCh. 13 - A specific output is forced on, but the LED module...Ch. 13 - An electronic-based input sensor is wired to a...Ch. 13 - Prob. 9PCh. 13 - Prob. 11PCh. 13 - Prob. 12PCh. 13 - Prob. 13PCh. 13 - The program of Figure 13-39 is supposed to execute...
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