Electrical Instrumentation
 

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Recent blog posts

Do you know you can find many self regulating control systems in our day to day life?


A self regulating control is a system that compares a measured value of a process with a desired set value (called set point) and processes the resulting error signal to change some input to the process, in such a way that the process stays at its set point despite disturbances.

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Posted by on in Children's Services

Sustainability is just one word and yet has invoked hundreds of definitions. 

A widely accepted definition of sustainability is to "...meet the needs of the present without compromising the ability of future generations to meet their own needs" (Brundtland Commission, 1987).


How to build sustainability in your childcare centre.

*Include recycling as part of everyday practice at the education and care service.

*Discuss sustainable practices with the children and families as part of the services education and care curriculum.

*Provide information to families on sustainable practices that are implemented at the education and care service and encourage the application of these practices in the home environment.

*Use a worm farm or composting bin to reduce food waste in the education and care service. Children will be encouraged to place food scraps into separate containers for use in the worm farm or the composting bin. Educators will discuss with the children and families which scraps worms can eat and which foods can be composted. The children will be involved in maintaining the worm farm and compost.

*Aim to purchase equipment that is eco-friendly where possible. Educators will reduce the amount of plastic and disposable equipment they purchase and select materials that are made of natural materials and fibres.

*Use local Council and Government departments as sources of information on sustainable practices used in the local community. They will liaise with the Council and Government departments for possible grants available to put in place water and energy conservation practices in the education and care service. These may include water tanks, grey water systems, converting toilet cisterns to dual flush and converting to water saving taps.

How we are being sustainable in the work place at EIM?

This month the students in the Early childhood and Education class contributed to the world around them, their eyes were opened up to sustainability just as you would open up the eyes of a 3 year old.

They participated in recycling their drink bottles and making them into a vertical indoor herb garden.

We plan to use the herbs in some cooking and tasting experiences in class. YUM!

The students thoroughly enjoyed this activity and learnt about the sustainability processes along the way.

s1

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If you don’t understand the joke: it’s time to enrol in our cert 4 in Electrical Instrumentation…

In mathematics and digital electronics, the binary numeral system, or base-2 numeral system, represents numeric values using two different symbols: typically 0 and 1. More specifically, the usual base-2 system is a positional notation with a radix of 2. Because of its straightforward implementation in digital electronic circuitry using logic gates, the binary system is used internally by almost all modern computers and computer-based devices such as mobile phones.

 

So, in binary: 0 is 00, 1 is 01, 2 is 10, 3 is 11, 4 is 100…

 

For the ones that knew this one, how about:

"Why does Halloween equal Christmas?" 


 

Answer: Because OCT (octal) 31 = DEC (decimal) 25 to know more about OCTAL (http://en.wikipedia.org/wiki/Octal

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Simple: the control principle behind the two is the same, and they both can be viewed as the inverted pendulum problem.

 

An inverted pendulum is a pendulum which has its centre of mass above its pivot point.  It is often implemented with the pivot piont mounted on a cart that can move horizontally and may be called a cart and pole.  Whereas a normal pendulum is stable when hanging downwards, and inverted pendulum is inherently unstable, and must be actively balanced in order to remain upright.  Sam things happens with both the rocket and the broom!

 

If you want to learn more about stability, control and in particular the control of industrial processes enrol in our Diploma of Electrical & Instrumentation as soon as you can.

 

 

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Posted by on in Children's Services

Often as Educators we are asked how many learning stories are you doing? Is there a certain amount of learning stories per month that need to be completed? Is one learning story per month enough? These questions are often seen on social media and heard in staff rooms across the nation. Where do we find the answer to these questions?

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Posted by on in Electrical Instrumentation

 

Yes, they do already exist…

 

Stuxnet is a virus discovered in June 2010. It was designed to attack Siemens Step7 software running on a Windows operating system. Not the PLC model we use in our class (S7-1200) but one very similar, the Siemens S7-300.  

 

 

 

 

Stuxnet does little harm to computers and networks that do not meet specific configuration requirements; it makes itself inert if Siemens software is not found on infected computers, and contains safeguards to prevent each infected computer from spreading the worm to more than three others, and to erase itself on 24 June 2012.  It only attacks PLC systems with variable-frequency drives from two specific vendors: Vacon and Fararo Paya. Furthermore, it monitors the frequency of the attached motors, and only attacks systems that spin between 807 Hz and 1210 Hz. The industrial applications of motors with these parameters are diverse…

 

 

 

So, what was the purpose?

 

It is believed that Stuxnet almost ruined one-fifth of the Iranian nuclear centrifuge by spinning out of control while simultaneously replaying the recorded system values which shows the normal functioning centrifuge during the attack. The worm worked by first causing an infected Iranian IR-1 centrifuge to increase from its normal operating speed of 1,064 hertz to 1,410 hertz for 15 minutes before returning to its normal frequency. Twenty-seven days later, the worm went back into action, slowing the infected centrifuges down to a few hundred hertz for a full 50 minutes. The stresses from the excessive, then slower, speeds caused the aluminum centrifugal tubes to expand, often forcing parts of the centrifuges into sufficient contact with each other to destroy the machine!

 

 

 

Fortunately you are not learning to do this on our PLC units but PLC programming is truly interesting and has a wide range of applications…

 

If you want to learn more about Stuxnet go to http://en.wikipedia.org/wiki/Stuxnet.

 

 

 

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Do you and your mates like to take bets for fun?

What about asking them to guess what the mass (in kg) of air is pressing down on a single square metre (1m X 1m) of ground at sea level?

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Posted by on in Children's Services
Would you like to RPL your qualification or do you know someone who is nervous or worried about gaining formal qualifications to work as an early childhood educator?
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Posted by on in Children's Services

Wow!!!!! We have had a few very exciting times since my last blog. 

 

Our first Childrens Services class has gone off with out any hitches and the students are having a wonderful time. Have you checked out our facebook page to see all the photos? 

 

We have also held our first of many Industry Breakfasts for Childrens Services with Caroline Fewster presenting a wonderful session on "documenting in childrens services". This breakfast was very successful with all of the industry bodies (department of education, centre directors, centre owners) who were able to attend. We look forward to our next one in Novemeber where our guest speaker will be Dr Brenda Abbey talking about learning stories.

 

Please dont forget to like us on facebook so you can be kept up to date with what is going on in our campus

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One more sleep and our first Certificate III Children's Services Class Starts...... I'm really looking forward to it!!!

 

child care

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Did you know minor amendments to the Education and Care Services National Regulations have been made and approved and will come into effect on 1 September 2013?

For more information head on over to ACECQA.

http://www.acecqa.gov.au/amendments-to-national-regulations-to-come-into-effect-on-1-september-2013

 

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Posted by on in Children's Services

We are holding our first Industry Breakfast and Workshop 5th September

 

PRESENTER: Caroline Fewster

TIME: 8.30am - 11.00am

VENUE: EIM Training, Robina Campus

COST: FREE! FREE! FREE!

INCLUSIONS: Breakfast & Workshop

 

If you would like to come please click on the link below to secure your place

http://www.eim.edu.au/index.php?option=com_acymailing&ctrl=archive&task=view&mailid=16&key=aec27a8f111225a82dd6a99b104e6c9d&subid=2-3de25c383685846470ce13b34b30c0c6&tmpl=component

 

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Posted by on in Children's Services

Hello and welcome to our first Children's Services Blog.

I am going to use this space to provide you with news, information and changes to do with our profession. If you would like to know more about anything to do with Children's Services please leave me a comment and I will do my best to help find you the answers.

 

Classroom C3G Delivery

I am so excited to announce we will be holding our first Certificate 3 Guarantee class on the 27th August 2013. This course is designed for people who do not hold a certificate 3 or higher in any sector to gain a certificate and enter the work force. We have limited place available so if you are interested please call the campus and speak with Stormie and she will be able to tell you if you are eligible or not.

Check out our changing child care room...........

 


 

 

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