Practical Data Acquisition for Instrumentation and Control System : open systems interconnection model, protocols, distributed control systems, bits, bytes and characters, communication modes, asynchronous systems, synchronous systems, data coding, error detection, serial data communications interface standards, test equipment, the rs-422 interface standard, the rs-485 interface standard, serial interface converters, factors affecting signal propagation, types of error, error detection, cabling basics, electrical noise and interference, modems and multiplexers, introduction to protocols, open system interconnection model, industrial protocols, hart protocol, open industrial fieldbus and device net systems, local area networks.