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Sensors, to acquire information, Controllers, to provide decision and commands, Actuators, to perform the control commands and; Communication network, to enable exchange of information. The most important feature of an NCS is that it connects cyberspace to physical space enabling the execution of several tasks from long distance.
Examples of sensors include smoke detectors, motion sensors, and contact sensors. Examples of actuators include smart locks, smart power outlets, and door controls. Popular control platforms on which third-party developers can build smart apps that interact wirelessly with these sensors and actuators include Samsung's SmartThings, [ 295 ] Apple ...
Actuator Sensor Interface (AS-Interface or ASi) is an industrial networking solution (Physical Layer, Data access Method and Protocol) used in PLC, DCS and PC-based automation systems. It is designed for connecting simple field I/O devices (e.g. binary ON/OFF devices such as actuators, sensors, rotary encoders, analog inputs and outputs, push ...
IO-Link is a short distance, bi-directional, digital, point-to-point, wired (or wireless), industrial communications networking standard (IEC 61131-9) used for connecting digital sensors and actuators to either a type of industrial fieldbus or a type of industrial Ethernet. [1]
The operator interfaces which enable monitoring and the issuing of process commands, such as controller setpoint changes, are handled through the SCADA computer system. The subordinated operations, e.g. the real-time control logic or controller calculations, are performed by networked modules connected to the field sensors and actuators.
AS-i – Actuator-sensor interface, a low level 2-wire bus establishing power and communications to basic digital and analog devices; BSAP – Bristol Standard Asynchronous Protocol, developed by Bristol Babcock Inc. CC-Link Industrial Networks – Supported by the CLPA
A data acquisition system is a collection of software and hardware that allows one to measure or control the physical characteristics of something in the real world. A complete data acquisition system consists of DAQ hardware, sensors and actuators, signal conditioning hardware, and a computer running DAQ software.
Wireless sensor network; Speed sensor. Speed sensors are machines used to detect the speed of an object, usually a transport vehicle. They include: