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 ...

Depending on your need, you can select a PLC with a number of points ranging from as few as 10 to as many as thousands with combinations of point types as required for your application. The PLC can be ...

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 IEC 61131 standard is commonly used for the programming of Programmable Logic Controllers (PLCs). One of the graphical languages of this standard is the ladder logic diagram based on the circuit ...

Programmable logic controllers (PLCs) are used extensively throughout the world. Over time, they have advanced to become more user-friendly, efficient, smaller, and less expensive. Different types of ...

In this paper, I focus on the scan processing method called cyclic scan as the execution method of PLC (Programmable Logic Controller) and introduce the discrete time based on such execution method. I ...