THE use of function blocks for programming of programmable logic controllers (PLCs) is gaining wider acceptance. Rather than the classic “contact and coil” representation of ladder diagram or relay ...
The Automation Systems Centre at Manchester Metropolitan University (MMU) has launched a two-day introductory course covering the basics of PLC programming based on the widely adopted international ...
When a PLC is used primarily to replace relays, timers, and counters, it's hard to beat the simplicity and usefulness of ladder diagram programming. Their ability to accept programming in ladder ...
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