Programmable Logic Controllers - With Access
Programmable Logic Controllers - With Access
5th Edition
ISBN: 9781259933523
Author: Petruzella
Publisher: MCG
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Chapter 14, Problem 31RQ
Program Plan Intro

Access method:

  • The bus topology network needs some controlling techniques for access of particular devices to the bus.
  • For transmitting information, a Programmable Logic Controller (PLC) will access the network by using access method.
  • The access method on a network is capable of controlling the access of a particular device data to the bus.
  • The most common access methods include token passing, collision detection, and polling.

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Programmable Logic Controllers - With Access

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