Smart Sensors & Actuators: Basics and Benefits in IIoT
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⌚Timestamps:
00:00 - Intro
00:59 - Introduction to smart sensors and actuators
02:53 - Basics of smart sensors and actuators
04:50 - Future of smart sensors and actuators
05:34 - IIoT
The Industrial Internet of Things is enabling a revolution of data and improved operations with opportunities for better control, faster data collection, direct transmission from the plant floor to the cloud, and enhanced diagnostics and analytics.
Improved data collection starts with making data available.
Smart Sensors and Actuators allow us to gather large numbers of values with high resolution directly from the field device.
Smart sensors and actuators are critical components of many advanced technologies, including IIoT devices, industrial automation, robotics, analyzers, and more.
A smart sensor is a device that takes input from the physical environment, like a flow or pressure, and uses its built-in computing resources to perform predefined functions upon detection of specific input and then process data before passing it on.
Smart actuators are similar in their capabilities to smart sensors.
Using similar constructions of digital communications and microprocessor-based data collection and analysis, smart actuators integrate additional capabilities such as control algorithms and communication interfaces.
Smart sensors and actuators are important in automation because their enhanced processing capabilities allow the sensor to store its own configuration parameters, scale the input to a specified range or signal level, generate alarms, determine the health of the sensor through diagnostic routines, and provide calculated values, such as totalized flow or average temperature.
For example, the Aventics AF2 flow sensor can measure not only the air flow rate but also pressure, temperature, and velocity.
This allows for complex variables such as mass flow rate to be calculated by forwarding the sensor data to a computing device on the network in real-time.
Manufacturers offer almost all types of sensors as smart sensors, including level sensors, pressure sensors, temperature sensors, proximity sensors, flow sensors, analytical sensors (such as pH and conductivity), and many others.
Smart sensors typically utilize digital communication protocols, such as Ethernet, OPC UA, MQTT, or IO-Link to provide fast, efficient, real-time data transfer.
A smart sensor also usually includes a microprocessor or microcontroller for data processing. These microprocessors can often run complex algorithms, enabling the sensor to interpret the data it collects, make decisions, or even learn from the patterns it identifies.
Provisioning is fast and, in most cases, able to be performed while the system is operating. This allows sensors to be added or replaced without fear of disrupting the network.
Modern manufacturing methods enable today’s smart sensors to be produced with higher sensitivity and data resolution than ever before.
As processing power becomes more powerful and more compact, smart sensors and actuators will be able to deliver not only more data, but more relevant data, to allow for more precise control, enhanced diagnostics, and connectivity across the plant floor and beyond.
Data transmission speeds and bandwidths will increase, allowing for bidirectional data flows, enabling autonomous operations, real-time control decisions, and adaptive control to improve throughput and process efficiencies.
Smart sensors and actuators, through Ethernet interfaces, will provide connectivity through IIoT networks that span from the plant floor to the cloud.
@EmersonCorporate
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IIoT Fundamentals: Smart Sensors & Actuators in Automation: https://www.realpars.com/courses/iiot...
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