In coal-fired power plants, steam is produced by pumping highly purified water through boiler tubes. The water is heated to a high temperature and pressure, and then flows through several orifices into the steam turbine. Once past the orifice, the water pressure drops and it immediately flashes into superheated steam, which is directed toward the turbine blades at high velocity. Due to the high velocity of the superheated steam, the turbine blades start to rotate and turn the turbine shaft, which is connected to the generator through reduction gears, and thereby ultimately generates electricity.
Valve position, pressure and temperature measurements are all necessary to ensure stability in this process. A solution for this application is a setup with a potentiometer for valve position measurement, a 2-wire style pressure transmitter and a 4-wire RTD for precise temperature measurements. All three signals are connected to individual PR Electronics PR 4114 universal transmitters, which output 0-10 VDC signals to the PLC.
The 4501 display/programming front allows local readout of both input and output signal and the process calibration function in the advanced menu provides easy and precise calibration of the open and closed valve positions.
Market opportunity for sensors in humanoid robots
Sensors & Transducers
A new IDTechEx report forecasts the market for sensors in humanoid robots will exceed $6,59 billion by 2037, driven by perception sensors, force/torque sensors, encoders and inertial measurement units across a growing range of commercial robot platforms.
Read more...The wireless route to safer, more efficient mining operations Emerson Automation Solutions
Editor's Choice Sensors & Transducers
Modern wireless level measurement technologies are helping mining operations improve process control, increase safety and reduce installation costs. Emerson’s Rosemount 3408 wireless non-contacting radar level transmitter uses 80 GHz frequency-modulated continuous wave radar with HART communication to reach remote assets where cabling is impractical.
Read more...Telco sensors for harsh environments
Sensors & Transducers
Telco sensors are designed to operate where moisture, particulate contamination and surface fouling would disable conventional sensors, with a range including an adjustable five-metre infrared proximity sensor for harsh industrial environments.
Read more...The data-driven path to sustainable manufacturing ifm - South Africa
Editor's Choice Sensors & Transducers
Smart automation is closing the gap between operational efficiency and environmental responsibility, and the data to do it is already inside the plant. With ifm’s sensing and digitalisation technologies, manufacturers can turn machine intelligence into measurable sustainability gains.
Read more...Expanding visibility in mining operations Emerson Automation Solutions
Editor's Choice Sensors & Transducers
Advances in wireless communications, condition monitoring and sensing technologies are helping mining operators extend measurement into previously under-monitored areas, improving equipment reliability, process performance and water stewardship.
Read more...Fiber-optic amplifiers for precise object detection ifm - South Africa
Sensors & Transducers
The OCF fibre-optic amplifier detects even the smallest or most transparent objects in confined spaces, making proven fibre-optic technology easier and more user-friendly than before.
Read more...Distance sensor for confined spaces ifm - South Africa
Sensors & Transducers
The O6D100 from ifm has been designed as a powerful all-rounder for typical applications in object detection, distance measurement and positioning.
Read more...Optimise sludge treatment and reduce operational costs Endress+Hauser South Africa
Sensors & Transducers
Endress+Hauser’s inline measuring devices, the Proline Teqwave MW 300 and the Proline Teqwave MW 500, determine the total solids content of wastewater directly through microwave transmission.
Read more...Inclination sensors for motion control ifm - South Africa
Sensors & Transducers Motion Control & Drives
The JBC dynamic inclination sensor from ifm offers accurate angle measurement in the most demanding conditions, filtering out motion disturbances such as vibrations, shocks and vehicle dynamics to deliver reliable inclination values via IO-Link or programmable switch outputs.
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