UNIT 22: PROGRAMMABLE LOGIC CONTROLLERS Unit code: …

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1 unit 22: PROGRAMMABLE LOGIC CONTROLLERS unit code : A/601/1625 QCF level: 4 Credit value: 15 OUTCOME 3 PART 1 This work covers part of outcome 3 of the Edexcel standard module: Outcome 3 is the most demanding of the outcomes and can only be affectively studied with the use of suitable hardware and/or simulation software such as PneusimPro or Bytronics simulation software. An industrial background will also be of great benefit to students. The work is continued in part 2 where more advanced programming is covered.

D.J.Dunn 4 The pneumatic cylinder identifier is A. A Darlington Pair has two outputs connected to the two solenoids. The single input is connected to the PLC terminal and tagged A.

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