PLC analog output card

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

PLC Motor Control Circuit-3

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

Comparator used in Siemens S7-1200 PLC.

Siemens PLC Comparator Logic

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