Практика Shadowing: What is SCADA? - Изучайте разговорный английский по видео
Создание урока...
1
The SCADA acronym stands for Supervisory Control and Data Acquisition.
2
When considering this term, you can conjure varying images, and you should.
3
Music Before we get started on today's video,
4
if you love our videos, be sure to click the like button below.
5
Then make sure to click subscribe and the little bell to receive notifications of new RealPars videos.
6
This way, you never miss another one.
7
A SCADA system is a collection of both software and hardware components that allows supervision and control of plants, both locally and remotely.
8
The SCADA also examines, collects, and processes data in real time.
9
Human-Machine Interface or HMI software facilitates interaction with field devices such as pumps,
10
valves, motors, sensors, etc. Also within the SCADA software is the ability to log data for historical purposes.
11
The structural design of a standard SCADA system starts with Remote Terminal Units or RTUs and or Programmable Logic Controllers or PLCs.
12
As you know, RTUs and PLCs are microprocessors that communicate and interact with field devices such as valves,
13
pumps, and HMIs.
14
That communication data is routed from the processors to the SCADA computers, where the software interprets and displays the data,
15
allowing for operators to analyze and react to system events.
16
Before SCADA, plant personnel had to monitor and control industrial processes via selector switches,
17
push buttons, and dials for analog signals.
18
This meant that plants had to maintain personnel on-site during production in order to control the processes.
19
As manufacturing grew and sites became more remote in nature, relays and timers were used to assist in the supervision and control of processes.
20
With these devices employed, fewer plant personnel were required to be on site in order to oversee and control operations.
21
While relays and timers did provide some level of automation, the panels required for these devices took up valuable real estate.
22
Troubleshooting was a nightmare, and reconfiguring was difficult at best.
23
These issues, in conjunction with the need to grow even larger industrial plants, helped to facilitate the birth of automation.
24
As you may know from previous videos, controlling industrial plants via processors became a reality in the 1950s.
25
Gas and oil, utilities, and manufacturing were major users of these new technologies and supervisory control.
26
About a decade later, telemetry came on the scene to offer even more remote capabilities with automated communication
27
and data transmission to remote monitoring locations.
28
Another decade later, the term SCADA was used to describe systems with PLCs
29
and microprocessors that were being used for the monitoring and control of automated processes on an even greater scale than ever before.
30
SCADA, back then, was anything but practical.
31
They were colossal machines, mainframes really, and since networking was not yet in the picture, they were standalone units.
32
In the next couple of decades, the 80s and 90s, with computer systems getting smaller,
33
the advent of local area networking or LAN and HMI software, SCADA systems were able to connect to related systems.
34
Unfortunately though, the communications were typically proprietary, which meant that connections outside of the particular vendor of the SCADA system were not allowed.
35
This early SCADA was coined distributed SCADA systems.
36
Later in the 90s and 2000s, SCADA began to implement open system architectures with communication protocols that were not vendor specific.
37
As you can imagine, this opened up SCADA's ability to connect with varying vendors.
38
This newer, more improved SCADA was then called a networked SCADA system.
39
Newer and improved SCADA unfortunately didn't last long.
40
With computer technology growing rapidly, IT development quickly gathered steam.
41
The default database for IT became Structure Query Language or SQL databases.
42
SCADA developers didn't implement these standard databases, so SCADA became out of date rather quickly when other technologies so rapidly changed.
43
Current-day SCADA systems have adapted to the changing technologies and have a great advantage over the older SCADA systems.
44
With the adoption of modern IT standards such as SQL and web-based applications,
45
today's SCADA allows for real-time plant information to be accessed from anywhere around the world.
46
Having this data at the operator's fingertips facilitates improved plant operations,
47
allowing for responses to SCADA system queues based on field collected data and system analysis.
48
These operator interactions can be from a computer right on the
49
plant floor to an office building in some other region in the world.
50
Advancing technologies have indeed made the world seem like a very small place, relatively speaking.
51
And because the current SCADA system software has typically adopted the SQL database model,
52
historical collection of data may be logged and used in trending applications to further improve plant processes,
53
as well as creating mandated record keeping for some of the industries out there.
54
Essentially, SCADA is a collection of hardware
55
and software This collection of components begins with real-time data collected from plant floor devices such as pumps, valves, and transmitters.
56
These components don't have to be from a particular vendor, they just need to have a communication protocol that the processor can utilize.
57
Data collected from the field devices is then passed to the processors such as PLCs.
58
From the processor, the data is distributed to a system of network devices.
59
These devices may be HMIs, end-user computers, and servers.
60
On the HMI and end-user computer, graphical representations of the operations exist for operator interactions,
61
such as running pumps and opening valves.
62
This data may also be analyzed and used to enhance plant production and troubleshoot problems problems.
63
Want to learn PLC programming in an easy to understand format and take your career to the next level?
64
Head on over to realpars.com
📺 Тот же канал
✨ Рекомендуемое видео
C11
162 предложений
Introduction to PLC | Siemens PLC Training Course
Business EnglishUniversity StudentsWorking Adults
C11
89 предложений
ECDIS Safety depth settings
Business EnglishUniversity StudentsWorking Adults
C12
66 предложений
What Is Cybersecurity?
Business EnglishUniversity StudentsWorking Adults
C11
128 предложений
Demystifying MCP | Architect Insights
Business EnglishUniversity StudentsWorking Adults
C15
6 предложений
What is Logistics? The Basics
Business EnglishUniversity StudentsWorking Adults
C124 предложений
We Are AmSpec Group
Business EnglishUniversity StudentsWorking Adults
C11
50 предложений
0.0.1 How to become a CAE Engineer CAE | What are the ways to become a CAE Engineer as a fresher
Business EnglishUniversity StudentsWorking Adults
C11
132 предложений
Video
Business EnglishUniversity StudentsWorking Adults
C11
443 предложений
Functional-Oriented Documentation in Automation - Eplan & IEC 81346 Explained
Business EnglishUniversity StudentsWorking Adults
C13
13 предложений
Robots with connected brains
Business EnglishUniversity StudentsWorking Adults
C14
28 предложений
Comparing Low Voltage Vs. Medium Voltage Equipment on Solar Sites
Business EnglishUniversity StudentsWorking Adults
C13
360 предложений
Terraform Scenario Based Interview Questions and Answers | DevOps Interview
Business EnglishInterview EnglishUniversity Students
Лексика и советы по произношению к этому уроку
В этом видео 64 предложений и 938 слов для шедоуинга. Речь длится 7:39. Говорящий держит ровный темп — около 123 слов в минуту, удобный для шедоуинга. Только 75% слов входят в 3000 самых частых слов английского языка, поэтому лексика сложная.
Ключевая лексика этого видео
15 менее частых слов из видео с произношением и значением:
- processor /ˈpɹɑˌsɛsɚ/ (существительное) — проце́ссор. A person or institution who processes things (foods, photos, applications, etc.).
- remote /ɹəˈməʊt̞/ (прилагательное) — далёкий, да́льний. At a distance; disconnected.
- collect /ˈkɑlɪkt/ (глагол) — собира́ть, собра́ть. To gather together; amass.
- database /ˈdeɪtəˌbeɪs/ (существительное) — ба́за да́нных. A collection of (usually) organized information in a regular structure, usually but not necessarily in a machine-readable format accessible by a computer.
- pump /pʌmp/ (существительное) — насо́с, по́мпа. A device for moving or compressing a liquid or gas.
- valve /ˈvælv/ (существительное) — ве́нтиль, кла́пан. A device that controls the flow of a gas or fluid through a space, such as a pipe, manifold, or plenum.
- vendor /ˈvɛn.dɚ/ (существительное) — продаве́ц, продавщи́ца. A person or a company that vends or sells.
- monitor /ˈmɑ.nɪ.tɚ/ (существительное) — наста́вник, наста́вница. Someone who watches over something; a person in charge of something or someone.
- component /kəmˈpoʊ.nənt/ (существительное) — компоне́нт, составна́я часть. A smaller, self-contained part of a larger entity. Often refers to a manufactured object that is part of a larger device.
- operator /ˈɑpəˌɹeɪtɚ/ (существительное) — телефони́ст, телефони́стка. A person or organisation that operates a device, system, service, etc.
- interaction /ˌɪn.təˈɹæk.ʃən/ (существительное) — взаимоде́йствие. The situation or occurrence in which two or more things act upon one another to produce an effect; the effect resulting from such a situation or occurrence.
- facilitate /fəˈsɪlɪteɪt/ (глагол) — спосо́бствовать, поспосо́бствовать. To make easy or easier.
- connect /kəˈnɛkt/ (глагол) — свя́зывать, связа́ть. To join (to another object): to attach, or to be intended to attach or capable of attaching, to another object.
- rapidly /ˈɹæpɪdli/ (наречие) — бы́стро. With speed; in a rapid manner.
- hardware /ˈhɑɹdˌwɛɹ/ (существительное) — стройматериа́лы, оборудование. Fixtures, equipment, fasteners, tools, and devices used for general-purpose construction and repair of a structure or object. Also such equipment as sold as…
Фразовые глаголы, которые вы услышите
- come on /ˌkʌm ˈɒn/ — пошли́. Come along with me; join me in going.
- stand for (глагол) — означа́ть. To mean; to symbolize; to represent; especially of an acronym or abbreviation.
- take up (глагол) — поднимать. To pick up.
Произношение, на которое стоит обратить внимание
Говорящий использует 3 сокращённых и редуцированных форм, например didn't, don't. Произносите их коротко, так, как слышите.
- Звуки «sh» и «zh»: interaction /ˌɪn.təˈɹæk.ʃən/, supervision /ˌs(j)uːpəˈvɪʒən/, automation /ˌɔ.təˈmeɪ.ʃən/, essentially /ɪˈsɛnʃəli/, representation /ˌɹɛp.ɹə.zɛnˈteɪ.ʃən/
- Длинные слова — следите за ударением: operator /ˈɑpəˌɹeɪtɚ/, interaction /ˌɪn.təˈɹæk.ʃən/, facilitate /fəˈsɪlɪteɪt/, supervision /ˌs(j)uːpəˈvɪʒən/, automation /ˌɔ.təˈmeɪ.ʃən/
Как заниматься с этим видео
- Прослушайте всё видео один раз молча и выпишите незнакомые слова.
- Повторяйте предложение за предложением на обычной скорости, пока ваш ритм не совпадёт с ритмом говорящего.
- Запишите себя и сравните с оригиналом, обращая внимание на такие слова, как processor, remote, collect.
Грамматика в этом видео
Конструкции, которые говорящий использует чаще всего, с точными словами из видео:
| Конструкция | В видео |
|---|---|
| Пассивный залог be + причастие прошедшего времени — важно, что происходит, а не кто это делает | is routed · were required · were not allowed |
| Present Perfect have/has + причастие прошедшего времени — прошлое действие, важное сейчас | have adapted · have indeed made |
Что такое техника Shadowing?
Shadowing — это научно обоснованная техника изучения языка, изначально разработанная для подготовки профессиональных переводчиков и популяризированная полиглотом доктором Александром Аргуэльесом. Метод прост, но эффективен: вы слушаете аудио на английском от носителей языка и немедленно повторяете вслух — как тень, следующая за говорящим с задержкой в 1–2 секунды. В отличие от пассивного прослушивания или грамматических упражнений, Shadowing заставляет мозг и мышцы рта одновременно обрабатывать и воспроизводить реальные речевые паттерны. Исследования показывают, что это значительно улучшает точность произношения, интонацию, ритм, связную речь, понимание на слух и беглость речи — что делает его одним из самых эффективных методов для подготовки к IELTS Speaking и реального общения на английском.