Data acquisition with PACs and PLCs

摘要

Programmable logic controller (PLC), programmable automation controller (PAC) or the most recent industrial PC (IPC)? With so many options available, it can be hard for manufacturers to make an informed decision. PLCs, PACs and IPCs are all used for the same purpose, that is to reliably control automation equipment in a manufacturing plant. However, assessing an application's needs in terms of size, capacity and compatibility is crucial to choosing the right model to fulfil the plants automation needs. PLCs first appeared in the late 1960s in automotive manufacturing, and soon spread to other sectors where continuous processes are required, such as electronics assembly, food and beverage, and the pharmaceutical industry.