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Reg. Equipment class and characteristics

HI All,

I have a below requirement on Equipment class and characteristic creation and assignments. Need your suggestion on how to create the
classes and characteristics in system to fulfill my requirement.

The requirement is I have an equipment created in system which has 4 taps. The number of taps is defined as one characteristics and
values are given as 4. It was used with this information for quite some time but now I need few more detailed info on these taps that is each tap of the equipment will have different output products like Tap1- Diesel, Tap2- petrol, Tap3- Crude oil and Tap4- LPG and all these products belongs to different companies like HP, BP etc.,

So now what I need is I need to incorporate this in to equipment class and characteristics. How do I do this?

For eg.

Equipment – XXXXX

Class- YYYYY


  1. Number of Taps- 4
  2. Tap 1- Diesel
  3. Tap1 Company- HP
  4. Tap2-Petrol
  5. Tap2 Company- BP
  6. Tap3- Crude oil
  7. Tap3 company-AA
  8. Tap4- LPG
  9. Tap 4 Company – BB

This would be the case for all equipment’s. but the difference would be on company name and number of taps namely for some equipment no. of taps will be 2 and for few it would be 4.


  1. While creating equipment when I enter the no. of Taps as 2 means I should get the characteristics Tap 1, Tap2 and Tap1 company,
    Tap2 company should be get populated on auto for this equipment. If I enter no. of taps as 4 then all the four taps characteristic should be populated for value entry. What is way to achieve this in manual creation as well as background creation of equipment’s?
  2. How do I create the above parameters either as class or characteristics? What is the optimum way to achieve the above
  3. How do we track the changes happened at the class characteristics of the equipment? Assuming on creation of the equipment the tap 1 company was HP after few months it was changed to BP. So I need to know when this change was happened to the characteristic of the equipment. How do we track this? Please provide table details, Transactions If any?

Kindly share your valuable suggestions.



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1 Answer

  • Posted on Jul 25, 2016 at 07:09 AM


    I think you can use Class Hierarchy for your requirement.

    Make 4 classes:

    Class 1 : Tap1

    Class 2 : Tap2

    Class 3 : Tap3

    Class 4 : Tap4

    Create and Assign the relevant characteristics under each Class.

    Now through CL22N, assign class to superior class,

    Assign in the following sequence:

    Tap2 to Tap1

    TAp3 to Tap2

    Tap4 to Tap3

    In this way, Tap 1 will have its own characteristcs, Tap2 will have its own and Tap 1 characteristics, Tap3 will have its own and Tap1,2 characteristcs, Tap4 will have its own and Tap 1,2,3 characteristcs.

    So if you choose the Equipment class as Tap4, it will contain all the characteristics.

    Create the above structure in your system and test if it works for you or not.


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