The term supervisory control and data acquisition (SCADA) refers to the network of computer processors that provide control and monitoring…
The diagram below shows a digital control system for a drill press that includes: the input, digital processor, drill-positioning mechanisms,…
Analog voltage or current signals are hardwired between the transmitter and the receiver. These analog signals can be relatively be…
Industrial networks have evolved to become an integral part of manufacturing replacing the point-to-point communication at all levels. At lower…
The block diagram below illustrates the basic elements of a minicomputer system for speed and voltage control as well as…
The increasing application of microcontrollers in low cost sensors and actuators has provided opportunities for adding diagnosis and configuration data…
The commonly used fieldbuses are: Ethernet TCP/IPModbusDeviceNetControlNetModbus TCPPROFIBUS-DPAS-I The Table below outlines the key features of popular Fieldbuses that are…
Ethernet plays an important role as a communication platform for automation systems. The Key strength of Ethernet is in its…
Foundation fieldbus (FF) is an all-digital, serial, two-way communication system for industrial applications. Foundation fieldbus specifications include two different configurations:…
Topology is an important property of fieldbus. It is employed in the selection and definition of the best and suitable…