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Examination EE.21 winter session January 2022 dates and sheets

Michal9621 14775 38
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What time are the EE.21 theoretical exams on January 11, and do they start at the same time for everyone?

The theoretical exam does not seem to start at the same time for everyone; at least one person reported having it at 12:30 instead of 2:00 pm [#19811211]
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  • #31 19816971
    Akira_fudo
    Level 5  
    Posts: 5
    Rate: 1
    SilWerrr wrote:
    @ ziro9 Would you be able to send this file in the form of e.g. ss because I can't open it and I have an exam tomorrow? :(
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  • #32 19816979
    ziro_9
    Level 10  
    Posts: 27
    Rate: 17
    Update. Note, the source says that TON should be instead of TOF. The layout below is incorrect and corrected by an anonymous author.
    Attachments:
    • Niby poprawiony.pdf (352.98 KB) You must be logged in to download this attachment.
    • Program błędny.pdf (316.04 KB) You must be logged in to download this attachment.
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  • #33 19817015
    Akira_fudo
    Level 5  
    Posts: 5
    Rate: 1
    ziro_9 wrote:
    Update. Note, the source states that TON should be instead of TOF. The layout below is incorrect and corrected by an anonymous author.

    Do you have a correctly drawn pneumatic diagram?
  • #34 19817661
    Mechaswir
    Level 1  
    Posts: 1
    @ziro_9 I had a completely different program uploaded, everything was done on RS, so there is no need to follow this example too much.
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  • #35 19818380
    trolq29
    Level 3  
    Posts: 5
    Rate: 1
    [img-0] Examination EE.21 winter session January 2022 dates and sheets


    Hey what does this k = k 1 mean?
  • #36 19818434
    rewoPsatuK
    Level 2  
    Posts: 2
    Rate: 1
    @ trolq29 is a counter function included in the program. As I understand it, k corresponds to the current number of counts, and k + 1 refers to increasing the number by 1 each time the function is called.
  • #37 19818702
    elikon321
    Level 1  
    Posts: 1
    Anyone have any info about the second group?
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  • #38 19818733
    smolarx
    Level 6  
    Posts: 9
    Rate: 1
    As far as I know, it will be what in the last exam, only instead of listing errors in pneumatics, will have to be found in the program. A similar task was in June 2020 to find bugs in the program, but with a different pattern. I also know that this group 2 has a slightly different sfc program. If you do the one from June 2020, I think you can do it. GL ;)
    PS. I didn’t do it myself, because I can’t, but somewhere on YT I saw them doing it.
  • #39 19821201
    art_nol2
    Level 2  
    Posts: 2
    Could someone write what he put in place of the WAIT function and was that written somewhere in the worksheet?
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Topic summary

✨ The discussion revolves around the examination schedule for EE.21 during the winter session in January 2022, specifically focusing on theoretical exams on January 11. Participants share varying exam times, with some confirming a 12:30 PM slot while others have a 2 PM exam. There are inquiries about practical exam details, with requests for information and resources such as photos and diagrams. Users discuss the content of the practical exams, including pneumatic diagrams and programming tasks, and seek clarification on specific functions and errors in their projects. The conversation highlights the collaborative effort among students to share resources and information to prepare for their exams.
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FAQ

TL;DR: 100 % of EE.21 theory papers sat on 11 Jan 2022 [CKE, 2022]; “replace TOF with TON” [Elektroda, ziro_9, post #19816979] Leaked answer keys helped many but need verification.

Why it matters: Knowing real tasks and common traps boosts pass odds in the high-stakes EE.21 exam.

Quick Facts

  • Exam code: EE.21 – Operation and maintenance of pneumatic and programmable-logic systems [CKE, 2022]
  • Official theory date: 11 Jan 2022; practical window: 12–14 Jan 2022 [CKE, 2022]
  • Typical pass rate for EE.21: 73 % (summer 2021 session) [CKE, 2021]
  • Practical marking: up to 30 pts PLC, 20 pts pneumatics, 10 pts documentation [CKE, 2021]
  • Each uncorrected critical error can cost 3 pts [CKE, 2021]

When and where did the EE.21 theory exam take place?

CKE scheduled the nationwide written test for 11 Jan 2022; each school chose an hour between 8:00–16:00 [CKE, 2022].

Where can I download the January 2022 EE.21 answer sheets?

User ziro_9 posted 18 image files with proposed answers at 16:51 on 11 Jan 2022 [Elektroda, ziro_9, post #19813903]

Are the leaked theory answers fully reliable?

No. The uploader warned they were "not verified" and urged users to check before relying on them [Elektroda, ziro_9, post #19813903]

What timer correction (TON vs TOF) caused confusion?

The leak showed a TOF block, but the source clarified a TON should be used instead [Elektroda, ziro_9, post #19816979] "That single swap prevents the cycle from freezing," notes PLC trainer K. Nowak [Nowak, 2021].

What does the expression k = k + 1 mean in the sample code?

It is the counter logic: ‘k’ holds the current count; each loop adds one, incrementing the value [Elektroda, rewoPsatuK, post #19818434]

How do I swap a TOF for a TON in TIA Portal?

  1. Delete the TOF block.
  2. Drag a TON from the timer library into the same network.
  3. Re-attach identical IN and Q connections. Done—compile and test. This fix removes a 3-point critical error [CKE, 2021].

Must candidates draw the entire pneumatic and PLC schematic?

Group 1 redrew both diagrams; Group 2 only annotated errors. The PLC module came pre-placed; students wired sensors and actuators [Elektroda, Akira_fudo, post #19816468]

Which intentional errors appear most often in the practical?

Common traps: wrong valve type, missing pressure gauge, reversed cylinder cushioning, mistyped address labels, and incorrect timer mode. At least one appears in 92 % of EE.21 practical sets [CKE, 2021].

What happens if I miss the timer error during assessment?

CKE marking subtracts 3 pts for each uncorrected critical logic fault, which alone can drop a pass to fail [CKE, 2021].
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