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 ...
A new family of PLC-controlled robots combines a SCARA robot with a PLC Server that allows direct programming of the robot from the Allen-Bradley family of PLCs, through a DF-1 serial connection. The ...
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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