The elements of user interface design
The elements of user interface design
System software (3rd ed.): an introduction to systems programming
System software (3rd ed.): an introduction to systems programming
Visual language theory
An introduction to database systems (7th ed.)
An introduction to database systems (7th ed.)
Discrete Mathematics
Programmable Controllers: Operation and Application
Programmable Controllers: Operation and Application
Database Systems Concepts
OCA/OCP: Oracle9 DBA Fundamentals I Study Guide
OCA/OCP: Oracle9 DBA Fundamentals I Study Guide
Software Engineering (7th Edition)
Software Engineering (7th Edition)
An exploratory method for effective deployment of programmable logic controllers (PLCs)
WSEAS Transactions on Systems and Control
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Programmable Logic Controller (PLC) characteristics for automatic dimensioning and allocation in process control. The automation of an industrial process is invariably faced with the decision of the optimal resources for implementation. It is important to find a way of selecting the most efficient programmable logic controller that is suitable to facilitate a particular control process. Variables such as the number of inputs or outputs, program memory size, data memory size, auxiliary memory, timers and counters have to be given the requisite consideration. The method undertaken considers the use of ladder diagrams and XML in the process of modelling PLC characteristics which are organised in form of a database. Criteria for PLC selection are used to provide a list of PLCs or embedded controllers that best fits the control process envisioned.