if a PLC shows a normally open photoeye is blocked which would not be a possible...
if a PLC shows a normally open photoeye is blocked which would not be a possible cause:
1. misalignment
2. foreign object
3. damage
4.no power
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if a PLC shows a normally open photoeye is blocked which would
not be a possible...
QUESTION 1 a. Why is a stop button wired closed, and a start button wired open? b. The inputs to a PLC are a normally closed stop button and a normally open start button. The (2 marks) contacts u...
QUESTION 1 a. Why is a stop button wired closed, and a start button wired open? b. The inputs to a PLC are a normally closed stop button and a normally open start button. The (2 marks) contacts used in the ladder logic to represent them are both normally open. Why are they both the same? (2 marks) (2 marks) c. Explain the terms contacts and coils with respect to the PLC. d. Explain the terms memory map, assembly language,...
3. A single-pole normally closed toggle Stop switch is to be wired into Input card 1:1/0, and a normally open momentary Start pushbutton is to be wired into Input card I:1/4. It is a 120Vac input...
3. A single-pole normally closed toggle Stop switch is to be wired into Input card 1:1/0, and a normally open momentary Start pushbutton is to be wired into Input card I:1/4. It is a 120Vac input module. Draw the wiring diagram, including power. (3 pts) PLC Input Module Input I:1 owentoa ← Norm 201 02 Shar stop 0 04 O os 0 06 o Com
3. A single-pole normally closed toggle Stop switch is to be wired into Input card...
Needing assistance creating a PLC ladder logic diagram with timers With the use of a normally...
Needing assistance creating a PLC ladder logic diagram with timers With the use of a normally open toggle and a normally closed push button When the 1st button is pressed, light #1 comes on. After 10 seconds, light #2 comes on. Lastly, after an additional 10 seconds after the 2nd light, light #3 comes on. Needing to put a push-button switch that kills all 3 of the lights and the cycle should restart with the toggle being closed.
If IL-1 was blocked by a monoclonal antibody, which of the following would be true? There...
If
IL-1 was blocked by a monoclonal antibody, which of the following
would be true? There may be more than one true statement. (4pts)
***use the diagram attached to see the molecular pathway being
referred to***
A. Less cox-2 being made
B. More LPS being made by the body
C. Taking a few days longer to fight off pathogens than if
IL-1 had not been blocked from binding to its receptor
D. More frequent fever seizures in people who had...
What would be the results) if sea squirt's pharyngeal gill slits were experimentally blocked?
What would be the results) if sea squirt's pharyngeal gill slits were experimentally blocked? 1) The animal would not be able to reproduce sexually. 2) The adult animal would have trouble moving around. 3) The individual cells would leave this colonial organism to live on their own. 4) The adult would have trouble feeding and doing pas exchange. 5) The animal's nervous system would stop functioning. Question 2 Which of the following is true of echinoderms? 1) they have an exoskeleton similar to an insect's 2) they have parapodia...
Switch A was permanenty CLOSED, the lamp will be (Note: N.0.: normaly open, N.С. normally dosed) ...
choose the correct answer
Solve this question
switch A was permanenty CLOSED, the lamp will be (Note: N.0.: normaly open, N.С. normally dosed) ON ful power (bright) OFF Switching between ON and OFF ON but dim 0) None of the above -if the signals at CHO; CHI CH2 and CH3 of a 4 channel analog multiplexer are 2 Vde; 0 Vde 1 Vdc and -2 Vdc respectively. Draw the output waveform Vo respect to the control signals below
switch A...
2. (3 pts) Would proper termination of transcription in eukaryotes be more likely to be blocked...
2. (3 pts) Would proper termination of transcription in eukaryotes be more likely to be blocked by a mutation that inactivated CstF or polyA polymerase? Explain. Grading: 1 pt for indicating which mutation would be more likely to prevent proper termination. 0.5 pt for explaining the normal function of CstF; 0.5 pt for explaining the normal function of polyA polymerase; 1 pt for explaining why the mutation you chose would be more likely to prevent proper termination, with reference to...
. What is a programmable logic controller (PLC)?12. The , Identify four tasks in addition to...
. What is a programmable logic controller (PLC)?12. The , Identify four tasks in addition to relay switching operations that PLCs are capable performing. 3. List six distinct advantages that PLCs offer over controller operates in real time. What does this mean? of performing 13. Answer the following with reference to the f conventional relay-based control systems. control PLC ladder logic diagram of Figure 1-21 this etary PLC architecture. 5. State two ways in which LVO is incorporated into 4,...
Europium plc is a large conglomerate which is seeking to acquire other companies. The Business Development...
Europium plc is a large conglomerate which is seeking to acquire other companies. The Business Development division of Europium plc has recently identified an engineering company – Promithium plc – as a possible acquisition target. Financial information relating to each company is given below: Profit and Loss Account for the year ended 30 November 1997 Europium plc Promithium plc Turnover 820 260 Profit on ordinary activities before tax 87 33 Taxation on profit on ordinary activities (27) (9) Profit on...
1. A typical motor speed control circuit that is controlled by an analog current loop will...
1. A typical motor speed control circuit that is controlled by an analog current loop will have a current of A. 2-20 mA B. 5-50 mA C. 0-10 mA D. 4-20 mA. 2. What is the purpose of thermostat number 2, IN7, in the mixing vat machine? A. This thermostat is used to prevent an over-temperature condition in the event thermostat one sticks open. B. This thermostat is used to shut off the heater when the chemical mix reaches setpoint...
QUESTION 1 a. Why is a stop button wired closed, and a start button wired open? b. The inputs to a PLC are a normally closed stop button and a normally open start button. The (2 marks) contacts used in the ladder logic to represent them are both normally open. Why are they both the same? (2 marks) (2 marks) c. Explain the terms contacts and coils with respect to the PLC. d. Explain the terms memory map, assembly language,...
3. A single-pole normally closed toggle Stop switch is to be wired into Input card 1:1/0, and a normally open momentary Start pushbutton is to be wired into Input card I:1/4. It is a 120Vac input module. Draw the wiring diagram, including power. (3 pts) PLC Input Module Input I:1 owentoa ← Norm 201 02 Shar stop 0 04 O os 0 06 o Com
3. A single-pole normally closed toggle Stop switch is to be wired into Input card...
If
IL-1 was blocked by a monoclonal antibody, which of the following
would be true? There may be more than one true statement. (4pts)
***use the diagram attached to see the molecular pathway being
referred to***
A. Less cox-2 being made
B. More LPS being made by the body
C. Taking a few days longer to fight off pathogens than if
IL-1 had not been blocked from binding to its receptor
D. More frequent fever seizures in people who had...
choose the correct answer
Solve this question
switch A was permanenty CLOSED, the lamp will be (Note: N.0.: normaly open, N.С. normally dosed) ON ful power (bright) OFF Switching between ON and OFF ON but dim 0) None of the above -if the signals at CHO; CHI CH2 and CH3 of a 4 channel analog multiplexer are 2 Vde; 0 Vde 1 Vdc and -2 Vdc respectively. Draw the output waveform Vo respect to the control signals below
switch A...
2. (3 pts) Would proper termination of transcription in eukaryotes be more likely to be blocked by a mutation that inactivated CstF or polyA polymerase? Explain. Grading: 1 pt for indicating which mutation would be more likely to prevent proper termination. 0.5 pt for explaining the normal function of CstF; 0.5 pt for explaining the normal function of polyA polymerase; 1 pt for explaining why the mutation you chose would be more likely to prevent proper termination, with reference to...
. What is a programmable logic controller (PLC)?12. The , Identify four tasks in addition to relay switching operations that PLCs are capable performing. 3. List six distinct advantages that PLCs offer over controller operates in real time. What does this mean? of performing 13. Answer the following with reference to the f conventional relay-based control systems. control PLC ladder logic diagram of Figure 1-21 this etary PLC architecture. 5. State two ways in which LVO is incorporated into 4,...
1. A typical motor speed control circuit that is controlled by an analog current loop will have a current of A. 2-20 mA B. 5-50 mA C. 0-10 mA D. 4-20 mA. 2. What is the purpose of thermostat number 2, IN7, in the mixing vat machine? A. This thermostat is used to prevent an over-temperature condition in the event thermostat one sticks open. B. This thermostat is used to shut off the heater when the chemical mix reaches setpoint...
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