PLC Analog I/O and Network I/O

In the early days of programmable logic controllers, processor speed and memory were too limited to support anything but discrete

Basics of PLC Programming

In the late 1960’s an American company named Bedford Associates released a computing device they called the MODICON. As an

Siemens PLC Comparator Logic

Siemens PLC Comparator Logic This article shows the different types of Siemens PLC Comparator Logics and their ladder diagrams. Problem