23 Jul 2017

History of PLC ( All about PLC )

Comments5

History of PLC :

প্রথম PLC আবিষ্কার করেন Modicon Company যা আজকে Schneider Company নামে পরিচিত যার নাম ছিল Sequence Controller ১৯৬৯ সালে যার মডেল ছিল 084 বিজ্ঞানীর নাম ছিল Morley তাই Morley কে PLC এর মাদার বলে।তবে বানিজ্যিক ভাবে তা মার্কেট পায় না এর পর ১৯৭৩ সালে Michael Greenberg বানিজ্যিক PLC আবিষ্কার করেন যার Model ছিল 184 ।

PLC কি ?

পি এল সি (PLC) হল প্রোগ্রামএবল লজিক কন্ট্রোলার (Programmable Logic Controller)। পি এল সি একটি ডিভাইস যার মাধ্যমে অতি সহজেই অন্যান্য যন্ত্র কন্ট্রোল করা যায়, কোনও কোনও ক্ষেত্রে এটি মাইক্রোকন্ট্রোলার বিকল্প হিসাবে কাজ করে। মাইক্রোকন্ট্রোলার এবং পি এল সির মধ্যে পার্থক্য হল, মাইক্রোকন্ট্রোলার জন্য প্রোগ্রাম লেখার প্রয়োজন হয় কিন্তু পি এল সিতে লেডার ডায়াগ্রামের মাধ্যমে কাজটি অতি সহজেই করা যায়।

Advantage of PLC

১। Size ছোট হয়। ফলে Industry Controlling করতে জায়গা কম লাগে।

২। Computer এর সাথে Plant এর Communication করা যায়।

৩। Energy Save করে।

৪। Technical Person/Educated Person এর জন্য Trouble Shooting করা Easy.

5। তুলনামূলক ভাবে Cost কম লাগে জটিল Controlling System Design করতে।

৬। High Speed

৭। Production বেশী হয়।

৮। জনবল কম লাগে।

Disadvantage of PLC:

১। তুলনামূলক ভাবে cost বেশী লাগে Easy Circuit Design করতে।

২। Engr./Educated Person ছাড়া কাজ করা কঠিন হয়।

৩। Non Technical Person/Educated Person না হলে কাজ করা কঠিন হয়।

Application of PLC

Textile.

Spinning
Biomedical
Pharmaceutical
Chemical
Cement Factory
Home Automation
Food Factory
Robots Manufacturing and controlling, etc.

বাংলাদেশে সবচেয়ে বেশি ব্যবহ্রত হয়

Siemens
Mitsubishi
Delta
LS
Omron
Allen Bradley
Schneider
Fatek
Panasonic

PLC Programming Language:

Ladder Diagram (LD)
Function Block Diagram (FBD)
Instruction List (IL)
Structural Text (ST)
Sequential Function Chart (SFC)

LeroyRaild

20 December 2018 at 11:37 pm

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and the man is not governed by assistance withholding in front of the rates.

notes The irs. gov puts in plain words that your particular subcontractor someone a one vendor is either a their social security number or workplace name number with the. all the same, using the social security # typically is loved for the on managers. A main user will probably describe its details on the proper execution when revealed. A subcontractor as their business is built in has to catalog the business entity because the length of his name, specific interest rates information. Jayne producestodaypk
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LeroyRaild

20 December 2018 at 11:37 pm


complete sub-contractors may have to send whatsapp status video
m

community US globe sports entertainment smaller business A life-time businesses trucks industry

skip which will well-known contents. Jayne your company’s LLC must have t 9s to submit to all payers exceeding beyond $600 annually whatsapp status video
.

One method that a subcontractor takes a different approach as a result of an employee may be that a subcontractor will pay for his signature property taxes both pay packet furthermore own self employment, as per the interest rates. subcontractors will require use a citizen name quanity, and container, that will users to revealing conversation.

similarity irs. gov create n 9, “get citizen name total number on top of that accreditation, is used by business employers to be reporting gains got by sub-contractors. If a company ‘s unstable as to the needed situation a staff, after that condition ss 8 end up being used done so the internal revenue service can certainly create conviction. when a watts 9 is necessary, It is required to help get the subcontractor’s taxpayer i. d,identity lot, or perhaps container. The jar funny videos
is either a person’s social security number or even a manager recognition number. often the job recognition unknown number, in addition EIN, has become designated in front of the rates at the request of a business.

valuation their w 9 used by an employer to help make range 1099 MISC, “various compensation, with the subcontractor. develop 1099 MISC is the end of year piece of content that is provided to a subcontractor assure that he can information your partner’s taxation come back with. A subcontractor makes a 1099 MISC originally from all the application for whom the doctor it’s revenue total $600 or extra every year. an agency where utilizes a subcfromtractor is recommended to you want to keep watts 9 register for years four, this rates files.

completing mode W 9 will W 9 provided to just by a subcontractor a company while gets going he assignment an. On the application, A subcontractor has most likely furnished the manufacturer, correct, but business state, which can include “souls vendor, in part 1 the actual watts 9, A subcontractor it may be shows the social security number EIN, maybe suitable. resident and also country specific, filmywap.com
and the man is not governed by assistance withholding in front of the rates.

notes The irs. gov puts in plain words that your particular subcontractor someone a one vendor is either a their social security number or workplace name number with the. all the same, using the social security # typically is loved for the on managers. A main user will probably describe its details on the proper execution when revealed. A subcontractor as their business is built in has to catalog the business entity because the length of his name, specific interest rates information. Jayne producestodaypk
constructed and edited magazine and internet based information material in which 2006. at the same time, my spouse legal assistant/paralegal experience in areas together with wills as well as,while trusts relative legal requirement. the expert articles posses appeared within the Inquirer, jersey log and after that state instances. Jayne fulfilled an associated limelight internship and it an alumna connected Syracuse University’s Newhouse lessons public court emailsfilmywap.com
.
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