Technical Articles

Sealevel Systems, Inc. has published these technical articles:

(Industrial Computing)
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The RS-485 communications standard was introduced in 1983 by the Electronic Industries Alliance (EIA) as a two-wire, half-duplex, multi-drop alternative to the point-to-point RS-232 interface. (Note:...
(Desktop Personal Computers)
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"We were stunned at the performance difference between brands of multiport USB to serial adapters." Design architecture is the critical element....
(Networking Equipment)
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The Problem: The USB Interface Was Not Designed for Industrial Environments The USB interface was originally designed to give home computer users a universal method for connecting peripherals. Over...
(Desktop Personal Computers)
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A leading supplier of emergency notification systems used by private and governmental entities, nuclear plants, and chemical stockpile (CSEPP) sites around the country contracted Sealevel to design a...
(Desktop Personal Computers)
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A world leading developer and manufacturer of critical two-way radio communications system used by public safety and government organization such as police and fire departments needed an...
(Desktop Personal Computers)
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The first Relio system was designed as a remote data acquisition component of an OEM Enterprise Management System. Vital systems and infrastructures require constant monitoring and vigilant management...
(Desktop Personal Computers)
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A manufacturer of security systems for public facilities required a 2U rackmount computer with a large amount of I/O to interface a variety of motors and sensors. The new system based on the Relio...
(Desktop Personal Computers)
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A leading radio broadcasting company required a reliable, small, cost-effective solution for monitoring and control at transmitter sites. In addition to the dense I/O requirements, the customer...
(Education and Training)
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Diversity in Tech is about physical representation and cognitive variation. But representation and variation show up the most in large workforces. Right now, there are more STEM jobs open, and...
(Industrial Computing)
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When the time comes to update assets and related processes, the path forward can be daunting; however, systems integration makes it easier. By extending the life of pre-existing assets through...
(Industrial Computing)
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In part I of this two-part series, we outlined the concerns people juggle when deciding to update industrial infrastructure and the associated costs of their chosen path. In this piece, we'll discuss...
(Industrial Computing)
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People often imagine public safety as stalwart uniformed officers or emergency response teams. However, public safety is also a vast critical communications network operating 24/7/365 behind the...
(Industrial Controls Software)
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In April 2017, President Trump said, "We're going to do everything in our power to make sure more products are stamped with those wonderful words 'Made in the USA'." One of those acts was an August...
(Technical Communications)
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Public safety belongs on the streets, but it also belongs where we sleep, eat, study and watch. Safety, security and liability guide many decisions at private institutions that serve the general...
(Industrial Computing)
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New technology is supporting campus safety, enhancing the partnership between public and private security teams. Three key technology industries have contributed to these updates: Big Data - and its...
(Environmental Services)
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Deeper, higher, dirtier and longer: industries are going further than ever in their operations. The technology used to support their missions must be able to go the distance with rugged enhancements....
(Environmental Test Equipment)
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Rugged technology withstands everything thrown at it, but what exactly faces these warrior devices often comes across as vague. These five challenging environmental factors and accompanying man-made...
(Sensing and Measurement Instruments)
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Jon Titus explores the basic elements of a control system. In previous installments, Jon has covered relays, sink vs. source control, PNP vs. NPN logic and open collectors....
(Sensing and Measurement Instruments)
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Jon Titus explores the basic elements of a control system. In previous installments, Jon has covered relays, sink vs. source control and PNP vs. NPN logic. Check back next month for the final...
(Transistors)
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In the third installment of this five-part series, Jon Titus explores the basic elements of a control system. In the first two installments, Jon covered relays and sink vs. source control....
(Relays and Relay Accessories)
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In the first installment of this five-part series, Jon Titus explores the basic elements of a control system. Check back next month for the 2nd installment....
(Relays and Relay Accessories)
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In the second installment of this five-part series, Jon Titus explores the basic elements of a control system....
(Industrial Controls Software)
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Images of machines made to look like humans - terminators, replicants and Ex Machina vixens - define the peak of human-robot relations in media. But humans have a deeper connection to robotics...
(Industrial Computing)
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As more mission critical defense activities operate in harsh environments facing peers and near-peers in combat, the burden to keep defense technology durable has grown. To function competitively over...
(Embedded Systems)
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In "Using FPGAs to Improve Embedded Design," Sealevel Engineer Greg Harrison explains FPGAs on a technical level and illustrates their use cases with Sealevel products. He shows FPGAs to be useful in...
(Application Development and Deployment Software)
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Digital technology affected the transportation industry early - in the 1990s - largely due to railcars and railroads as well as adoption by logistics providers. Things like onboard computers, tracking...
(Environmental Services)
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Industry 4.0 technology and green manufacturing go hand-in-hand, and they are guiding manufacturing conversations. Part of this "green dialogue" exists from redirected priorities toward global climate...
(Industrial Controls Software)
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At CES 2019, Sprint announced plans to use their Curiosity IoT in Greenville, South Carolina. The announcement follows several years of Greenville IoT planning, which have focused on making the...
(Education and Training)
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Sealevel is a sponsor of the Greenville Artisphere festival, now in its fifteenth year. This sponsorship is a nod to the love of art Sealevel's founders, the O'Hanlans, have - cultivated especially by...
(Lasers)
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Lasers are having a moment. In 2018, three physicists received the Nobel Prize in Physics for their work in "groundbreaking inventions in the field of laser physics." It is the latest in a long line...
(Hardware)
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The following white paper will discuss the computing hardware that is bringing dispatch centers and network control centers into the modern era....
(Data Acquisition Products)
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A drone can be used to steal unauthorized footage of major events, interfere in commercial airspace, deliver military-grade projectiles and observe surreptitiously. As they explode into popularity and...
(Industrial Controls Software)
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The data collected and monitored by IoT devices is the bones of smart cities. The hearts of them, though, are the residents seeking a better way of life. Smart City technology is not the product;...
(Industrial Computing)
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The demand market says, "have what you want, when you want it, where you want it," and the rise of this slogan is called the Amazon Effect. The ruling paradigm in consumer markets such as retail and...
(Energy Services)
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Three Energy Trends for 2019: Sealevel's Favorites...
(Industrial Controls Software)
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Poor software choices can underutilize IIoT monitoring hardware and render technology investments worthless. When implementing IIoT monitoring solutions, it's essential to choose a software that...
(Internet and Web Software)
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From catching the right criminal to offering hope in overturning convictions, facial recognition offers public safety and the judicial system an effective way out of bureaucratic processes....
(Industrial Controls Software)
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Why is USB important for Automation?...
(Energy Services)
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In 2014, the World Bank announced that modern water and energy production systems were on a collision course. In this three-part Water+Energy Series, this collision will be explained through examples...
(Energy Services)
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In 2014, the World Bank announced that modern water and energy production systems were on a collision course. Part I of our Water+Energy series covered the collision from the water perspective: how...
(Energy Services)
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While water and energy industries have a frequently harmful, codependent relationship, this status quo can change. Technology provides an excellent way forward to sustainability and reduced waste in...
(Temperature Sensing)
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The following white paper discusses the thermal design strategies of thermal simulation, structural conception, component choice and circuit placement....
(Computer Peripherals)
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The following white paper will discuss the three types of cloud products, their relative merits or drawbacks and the incredible potential of cloud-driven data harnessing....
(Power Supplies)
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The following white paper reviews solutions used to make an IoT power supply monitoring and control device. It covers AC monitoring, output voltage control and operational feedback. It details...
(Industrial Computing)
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Companies are acutely aware of cybersecurity's importance, especially those operating via cloud and edge computing models or utilizing IIoT technology. The subject has introduced anxiety for business...
(Data Acquisition)
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Data surrounds us, driving our decisions and determining a venture's success. Making use of it effectively saves time, money and frustration. This white paper discusses the three categories of data -...
(Education and Training)
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Diversity for diversity's sake is not a productive conversation. Part I in our "Diversity in Tech" series showed that the consequences of diversity - creativity, profit, collective good and...
(RF, Microwave, and Wireless Components)
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A mobile device battery has many demands to fill: photos, maps, social media, apps and ride-hailing services, etc. These demands increase at conferences and during travel. Almost inevitably, device...