App note: Industrial digital inputs with the MAX22191

App note from Maxim Integrated on their parasitically powered digital input interface chip which are used favorably on industrial applications. Link here A digital input (DI) is a circuit designed to receive a binary signal transmitted from an industrial sensor and translate that input into a reliable logic signal for a programmable logic controller (PLC) […]

App Note: Programmable logic controllers (PLCs)

An introduction to programmable logic controllers (PLCs): This tutorial offers an in-depth introduction into programmable logic controllers (PLCs). The article starts with an overview of the history and the role PLCs in factory automation. The basic principles of PLC operation are discussed. The core modules of an industrial-control system are examined: the analog input function, […]