protocols

Synchronous Serial Interface (SSI) Protocol for Encoders

This article discusses some of the encoder types, signal types, and wiring needed for synchronous serial interface (SSI) protocol. Many encoders use a form of signal communication called SSI (synchronous serial interface). Although the name contains the term serial, like the common industrial serial RS-232 protocols, this is a simple way to transmit information. This … Read more

Making Sense of Serial Communication Methods

This article provides an introduction to several serial communication methods and how to understand and apply them. Industrial automation systems have always required special communication methods in order to be programmed and to work seamlessly between networked devices. Generations of proprietary and open-source standards have led to a confusing web of related techniques and terms. … Read more