Programmable Logic Controllers
5th Edition
ISBN: 9780073373843
Author: Frank D. Petruzella
Publisher: McGraw-Hill Education
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Chapter 2, Problem 5P
Explanation of Solution
Failure of triac of an AC discrete output module:
- If the triac of an AC discrete output module fails in the shorted state, then the input supply to the module is passed directly to the output device.
- The device will remain in ON state as long as the inp...
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Chapter 2 Solutions
Programmable Logic Controllers
Ch. 2 - Prob. 1RQCh. 2 - What is the function of a PLC output interface...Ch. 2 - Prob. 3RQCh. 2 - Prob. 4RQCh. 2 - Prob. 5RQCh. 2 - Prob. 6RQCh. 2 - Prob. 7RQCh. 2 - Prob. 8RQCh. 2 - Prob. 9RQCh. 2 - Prob. 10RQ
Ch. 2 - Prob. 11RQCh. 2 - What are the advantage and the disadvantage of...Ch. 2 - With reference to PLC discrete input modules: a....Ch. 2 - Prob. 14RQCh. 2 - Explain the function of the backplane of a PLC...Ch. 2 - Prob. 16RQCh. 2 - Prob. 17RQCh. 2 - Prob. 18RQCh. 2 - What electronic element can be used as the...Ch. 2 - With reference to discrete output module current...Ch. 2 - What electronic element can be used as the...Ch. 2 - Prob. 22RQCh. 2 - Prob. 23RQCh. 2 - Prob. 24RQCh. 2 - Prob. 25RQCh. 2 - Prob. 26RQCh. 2 - Prob. 27RQCh. 2 - Prob. 28RQCh. 2 - Prob. 29RQCh. 2 - Explain the difference between a unipolar and...Ch. 2 - Prob. 31RQCh. 2 - In what two ways can the loop power for current...Ch. 2 - Prob. 33RQCh. 2 - Prob. 34RQCh. 2 - Prob. 35RQCh. 2 - Write a short explanation for each of the...Ch. 2 - Write a short explanation for each of the...Ch. 2 - Prob. 38RQCh. 2 - Prob. 39RQCh. 2 - Prob. 40RQCh. 2 - Prob. 41RQCh. 2 - Prob. 42RQCh. 2 - Prob. 43RQCh. 2 - Prob. 44RQCh. 2 - Prob. 45RQCh. 2 - Prob. 46RQCh. 2 - Prob. 47RQCh. 2 - What information is normally stored in the ROM...Ch. 2 - Prob. 49RQCh. 2 - Prob. 50RQCh. 2 - Prob. 51RQCh. 2 - Prob. 52RQCh. 2 - Prob. 53RQCh. 2 - Prob. 54RQCh. 2 - Prob. 55RQCh. 2 - Prob. 56RQCh. 2 - Prob. 57RQCh. 2 - Prob. 58RQCh. 2 - Prob. 59RQCh. 2 - Prob. 60RQCh. 2 - What is the function of a transducer?Ch. 2 - Prob. 62RQCh. 2 - Prob. 1PCh. 2 - Assume a thermocouple, which supplies the input to...Ch. 2 - With reference to I/O module specifications: a. If...Ch. 2 - Prob. 4PCh. 2 - Prob. 5PCh. 2 - Prob. 6P
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- There are many different process technologies used to achieve PLDs' programmable connections; provide six examples.arrow_forwardDesign a CMOS circuit to implement the logic function. The design should not include a CMOS inverter at the output. Y = ABC+ABC + ABCarrow_forward1. The noise figure of the first circuit in tandem connection is 10.5 dB while its power gain is 15. What is the over-all noise figure if the second circuit has a noise figure of 11 dB?2. Two resistors, 20 kΩ and 50 kΩ are at ambient temperature. Calculate for a bandwidth equal to 100 kHz, the thermal noise voltage for the tworesistors connected in parallel.arrow_forward
- When the frequency of the input signal to a CMOS gate is increased, the average power dissipation(a) decreases (b) increases(c) does not change (d) decreases exponentiallyarrow_forwardDraw an ASM chart for the synchronous circuit having the following description, "The circuit has a control input X. clock and outputs A and B. If X = 1, on every clock rising edge the code on BA changes from 00 01 10 →1100 and repeats. If X=0, the circuit holds the present state.".arrow_forwardExplain the Resistive Rest at Ground Circuit?arrow_forward
- (a) How does the Cyclone III FPGA chip support efficient adder implementation? (b) Draw an NMOS-only inverter and explain its behavior if the input is logic-1. (c) How is CMOS inverter behavior different than part (b) for a logic-1 input? (d) What must be included in a testbench for a synchronous sequential circuit? (e) What two pin-related options must be properly set in the CAD tool and why?arrow_forwardHere's a table showing the tco and tro for each of the components in the circuit bellow. Please compute tco and tpo for the whole circuit? tco tPD B Inverter 0.1 ns 0.6 ns AND2 0.4 ns 0.8 ns C XOR2 0.5 ns 1.8 ns MUX2 0.5 ns 1.5 nsarrow_forwardConvert the state diagram given below to ASM chart. Additionally, implement the control circuit using multiplexors. A/1 00 01, 10 11 11. C/O 01,10 00 ó1,10 B/0 11 00arrow_forward
- In CMOS circuit when the pullup part is "on" and the pulldown is "on" then the logic output isarrow_forwardVdo Output Pon Port Load PIC Microcontroller Output Port circuit A PIC Microcontroller circuit B if the PIC can source 20 mA or can sink 23 mA; the voltage drop across the LED for normal brightness i be a minimum value for R(the load) in circuit 1.9 volts, what would a. 155 ohm b. 105 ohm C. 135 ohm d. 91 ohmarrow_forwardShow a simple interface from an output port to drive an LED. Assume that the output port can sink or source up to 20 milliamps and the forward voltage of the LED is 2 volts. Show your calculationsarrow_forward
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