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Ethernet refers to the local area networks and devices that was defined by the Institute for Electrical and Electronic Engineers (IEEE) under the IEEE 802.3 standard that defines the CSMA / CD protocol. Ethernet is popular because it allows a good balance…
Network Topology: A network consists of two or more computers that are linked to share resources (such as printers and CD-ROMs), exchange files, or allow electronic communications. Computers in a network can be connected through cables, telephone lines, radio waves, satellites or…
The IEEE-488 standard interface bus, popularly known as GPIB (General Purpose Interface Bus), was originally developed by Hewlett-Packard to allow maximum flexibility in data transfer between various laboratory instruments and their computers. The IEEE-488 allows exchanging data to a number of no…
Fiber optics is a glass fiber which is used to carry signals in the form of pulses of light over distances up to 50 km without the need for repeaters. The term optical fibres indicate special forms of optical waveguides, the most important…
What is DeviceNet? DeviceNet is a low-cost communications link for connecting industrial devices as inductive sensors, photoelectric, limit switches, push buttons, barcode readers, indicator lights, operator interfaces, motor controllers, etc., to a network, avoiding costly and complex wiring. DeviceNet brings LAN technology…
Industrial networking is the key function to process control. it should be recognized that that networking goes beyond the interfacing of factory systems, to interface with design and documentation systems to form a virtual organisation and other related systems. The actual selection of…
What is Data Acquisition Card? To measure signals and transfer data to the computer is done by using Data Acquisition Cards, commercially called DAQ cards. These cards have Analog / Digital Converters (ADC) and Digital / Analog Converters (DAC) that allow the input/output…
PC / AT Bus is used on computers that are compatible with IBM earlier, to connect peripheral equipment such as disk drives, sound cards and more to the computer motherboard. PCI Buses that are used on computers that are compatible not only…
The Data Highway and Data Highway plus systems are Local Area Networks (LANs). They connect programmable controllers, computers, and other devices so they can communicate and exchange data with one another. A cable system is the physical means of transmitting this data…
Profibus ProfiBus (PROcess FIeld BUS) is a widely accepted international networking standard, commonly found in process control and in large assembly and material handling machines. It supports single-cable wiring of multi-input sensor blocks, pneumatic valves, complex intelligent devices, smaller sub-networks (such as…
