What are PLCs? What are PACs?

Programmable logic controller (PLC) is a type of industrial computer that makes a decision to help guide or monitor a process, often for factory automation or machine control in discrete applications, although some control processes (continuous, batch or hybrid). A PLC often accepts inputs from sensors and sends instructions to actuators. PLCs have been defined by the number of inputs/outputs they can control and by processing speeds. PLC programming occurs with IEC 61131-3 Programming Languages and some can accept other programming. A programmable automation controller (PAC) is a type of industrial logic device based on a PC (personal computer) platform.
Sensors, Vision June 7, 2018

Discrete Sensors 101: Sensor types and best practices

Measuring success: Understand which type of discrete sensors to use for what applications, terminology, and tips.

By Jon Breen, Breen Machine Automation Services LLC
Embedded Systems, Edge Computing April 7, 2018

What is an embedded system?

The meaning of an embedded system varies depending on the application; system integrators, end users, and original equipment manufacturers (OEMs) may have different views.

By Mark T. Hoske