Draw a picture of the complete production line

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Reference no: EM132316251

Programmable Logic Controllers (PLC) Assignment - Practical

Using the attached Scenario answer the questions:

a) Draw a picture (not to scale) of the complete production line, showing all machines, feed tables, air-operated rejector, sensors, clamps etc. and their relative positions.

b) If the control algorithm is written in Codesys and UINT variables are used to indicate the length of the rebar from the roller-wheel length-sensors discussed, calculate the longest square stirrup that can be formed theoretically. Show your calculations and explain your thoughts used in calculating.

c) Calculate the length of the feed roller tables that are required to produce the theoretical largest square stirrup calculated as above.

d) Do you think that the given equipment shown will be able to automatically produce the largest square stirrup calculated above? Why or why not?

e) What are the dimensions of the smallest square stirrup that can be manufacture by this production line? What constraints the dimension of the smallest stirrup most?

f) What is your prediction regarding the influence of the thickness (diameter) and length (mm) of the rebar on measuring the original length of the rebar from the un-coiling machine, before being braked and cut?

g) What additional instrumentation do you find necessary to complete this project?

h) What additional safety measures would you introduce to safeguard employees and machines in this process?

i) Which IEC61131-3 language is best suited as basis for developing this automation system and why?

j) Is the process as it is described, running at its best productivity? Describe at least two interventions that can enhance productivity of the setup.

k) Specify input and output modules that must be ordered for the PLC that will be used in the automation.

l) Write down assumptions that you feel should be taken into account as your final program is assessed.

m) Now use SFC language as a basis, with ST and LD inserts as is best applicable, to develop a program for automation of this process as optimised in (j) above. Copy / paste all variables and software modules with appropriate headings.

n) Construct a carefully designed, well thought-through visual simulation of this process. Use carefully chosen screenshots to provide enough evidence for the marker, to believe that your automation functions as it should.

o) Do you foresee any technical reasons, apart from your personal preferences, why you should not go ahead with this project? List those reasons if any.

To assist you in reaching your full potential, please note the following guidelines in answering various types of questions:

a) Programming-related questions:

a. The use of CODESYS is required.

b. Failure may / probably will result in many marks being lost.

c. Marks in these kind of questions, mostly are allocated towards

i. Relevant and correct assumptions listed (10%)

ii. Correct timing / logic / language choice (25%)

iii. Judicious screenshots of Visual Simulations to proof working (25%)

iv. Variables and coding style / compactness (25%)

v. Correct interpretation / compact solution of problem (15%)

d. The marks in section c above, is a guideline only and may chance as required

b) Problem-based questions:

a. Provide ample, relevant assumptions and comments supporting your solution.

b. This is the only way I can effectively judge your train of thought.

c) Answers in general:

a. It is mostly required that apart from you answer, you also say why you chose the answer you did, to obtain full marks.

b. The answer alone is usually not sufficient.

c. The above being said, always aim for compact but effective solutions and answers. Long-windedness will not be rewarded.

d) CODESYS

a. A free version of CODESYS is available for download to your own device via the internet. You will need to register.

b. CODESYS can also be accessed on EIT Remote Labs.

Attachment:- Assignment File.rar

Reference no: EM132316251

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len2316251

6/4/2019 10:10:46 PM

To allow for unforeseen circumstances such as illness, work or family commitments, it is advisable that you aim to complete the assignment a few days before the due date. It is your responsibility to ensure that you factor in any time difference between Perth, Western Australia and your location when submitting assessments. Extension requests must be formally submitted by completing an extension request form and emailing the form to your unit coordinator along with a medical certificate or other supporting documentations. Assessments must be submitted through TurnitIn (unless otherwise stated).

len2316251

6/4/2019 10:10:39 PM

Only one (1) file can be submitted in Part 1 as your main written submission. Supplementary or additional appendices must be clearly titled and directly submitted into the Supporting Documents Tab in the TurnitIn submission box. Should the assessor not be able to clearly link these documentations back to your main assignment, penalties may apply. You must use the provided Assignment Cover Page document and submit as your main written assessment in WORD FORMAT only. The only permissible file formats are .docx or .doc and you should not ‘embed’ other files as pictures within the word document. Supplementary documents can be in other formats such as Word, PDF, Excel, Powerpoint etc. You must correctly title your documents.

len2316251

6/4/2019 10:10:34 PM

You must reference all content used from other sources. Do not copy and paste from course materials or any other resources or quote other source without referencing. submitted through emails or any other methods will NOT be accepted. You must ensure that you have submitted the correct file. Once you have submitted, you will not be able to re-submit a second attempt after the due date. Important Note: Failure to adhere to these requirements may result in a zero grade. Please refer to the unit outline or EIT Policies & Procedures if you are unsure how to reference. This is a Masters level course and we expect no less from your answers. EIT strive to maintain the highest academic integrity. You may generate ideas in groups, but the work you submit, must be your own effort. Wherever a source is used as basis, make a due reference to the origin.

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