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Author Question: The PLC was invented by ________. A) Dick Morley B) Bill Gates C) Tod Cunningham D) Bill ... (Read 53 times)

kfurse

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on: Jul 28, 2018
The PLC was invented by ________.
 
  A) Dick Morley B) Bill Gates C) Tod Cunningham D) Bill Landis

Question 2

Which of the following statements is not correct?
 
  A) PLC input instructions are logical symbols associated with voltage at the input module terminals.
  B) The PLC rung output -( )- is a discrete output instruction or bit in memory.
  C) Each rung of the ladder logic represents a logical statement executed in software  inputs on the right and outputs on the left.
  D) Input and output instructions in ladder logic do not directly represent the switches and actuators.


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nikmaaacs

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Reply #1 on: Jul 28, 2018
Answer to Question 1

A

Answer to Question 2

C


kfurse

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Reply 2 on: Jul 28, 2018
Wow, this really help

yeungji

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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