ECT 284 Entire Course New Flashcards
ECT 284 Week 1 Homework NEW
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ECT 284 Week 1 Homework NEW
ECT 284 ECT/284 ECT 284 Week 1 Homework
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ECT 284 Week 1 Lab Relay Pin-out Determination NEW
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ECT 284 Week 1 Lab Relay Pin-out Determination NEW
Relay Pin-out Determination
Objective
The objective of this lab exercise is to identify the pin-out of a typical electromechanical relay.
Parts Needed
- Relay - 12V DC Coil, DPDT
- Breadboard
- Wire, wire cutter, and wire stripper
- Variable Power supply
- DMM
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ECT 284 Week 2 Homework NEW
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ECT 284 Week 2 Homework NEW
Chapter 2, p. 49: Problems 1, 4, and 5
- A discrete 120 V ac output module is to be used to control a 230 V dc solenoid valve. Draw a diagram showing how this could be accomplished using an interposing relay.
- Create a typical five-digit address (according to Fig 2-4) for each of the following:
- Assume the triac of an ac output module fails in the shorted state. How would this affect the device connected to this output?
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ECT 284 Week 3 Homework NEW
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ECT 284 Week 3 Homework NEW
ECT 284 ECT/284 ECT 284 Week 3 Homework
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ECT 284 Week 3 Quiz NEW
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ECT 284 Week 3 Quiz NEW
- (TCO 3) The status of I1, I2, and I3 is given in each of the following ladder logic programs. Check all correct statements.
- (TCO 3) Based on the following ladder logic program (Remember, these are PLC instructions.), check all correct answers.
- (TCO 3) Based on the following ladder logic program (Remember, these are PLC instructions.), check all correct answers.
- (TCO 3) A ladder logic program and the associated physical input/output components are given below. Without depressing any push button and considering total darkness, which statement is true?
- (TCO 3) A ladder logic program and the associated physical components are given below. The motor is running. The push button is not depressed. Check all correct answers
- (TCO 3) Which Boolean expression represents the given logic circuit?
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ECT 284 Week 4 Homework NEW
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ECT 284 Week 4 Homework NEW
Chapter 7
- Study the ladder logic program in Figure 7-32 on page 196, and answer the questions that follow:
- You have a machine that cycles on and off during its operation. You need to keep a record of its total run time for maintenance purposes. Which timer would accomplish this?
Chapter 8
- Study the ladder logic program in Figure 8-35, and answer the questions that follow:
- Study the ladder logic ladder program in Figure 8-37, and answer the questions that follow:
- Write a program to implement the process illustrated in Figure 8-39. An up-counter must be programmed as part of a batch-counting operation to sort parts automatically for quality control. The counter is installed to divert 1 part out of every 1000 for quality control or inspection purposes. The circuit operates as follows
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ECT 284 Week 6 Homework NEW
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ECT 284 Week 6 Homework NEW
- Give an example of an open-loop control system. Explain why the system is open-loop, and identify the controller and final control element.
- Give an example of a closed-loop control system. Explain why the system is closed-loop, and identify the sensor, controller, and final control element
- Describe the advantages of a 4- to 20-mA current loop as an input signal compared to a 0-to 5-V input signal
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ECT 284 Week 6 iLab Garage Door Simulation NEW
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ECT 284 Week 6 iLab Garage Door Simulation NEW
- With reference to instructions given in step 5 complete the following:
- Briefly describe the operation of each rung in the ladder logic program. Submit the worksheet and all attachments to week 6 dropbox.
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ECT 284 Week 7 Question 1 NEW
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ECT 284 Week 7 Question 1 NEW
- What NEMA (National Electrical Manufactures Association) enclosure is recommended for a PLC?
- List advantages of mounting the PLC within an enclosure?
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ECT 284 Week 7 Question 6 NEW
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ECT 284 Week 7 Question 6 NEW
- Refer to module wiring diagram below for the following questions.
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