PLC Basics and Voltage Sag Susceptibilities Fig. 2 shows a typical PLC I/O rack with a power supply, CPU, discrete input and output modules, and analog input and output modules. The following sections ...

PLC Basics and Voltage Sag SusceptibilitiesPart 2 In Part 1 of this two-part series, we explored PLC basics and voltage sag susceptibilities. In this segment, we present PLC voltage sag test results ...

It’s time to do a series on logic including things such as programmable logic, state machines, and the lesser known demons such as switching hazards. It is best to start at the beginning &#82… ...