Equipment Types, Hierarchy setup

we are just embarking on a new SCADA project using SCADA 2018 and considering the use of the equipment dbf etc. can someone explain the following:

  • what is the purpose of the equipment hierarchy in the equipment dbf? is a flat structure preferred as opposed to using ISA 95 architecture
  • In the variable dbf, there's an item name field. Can the field be used to specify an item name that does not associate with any equipment type?
  • In the equipment type setup screen, can we create variable tags without specifying the address? can that be populated within the variable.dbf itself after "update equipment" is used?

Thank you

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  • Thanks for the response.
    when you say tag name based addressing, are you suggesting that the address use a function of sorts to indirectly reference the actual PLC tag? I did consider using PLC addressing with offsets as well but there is a high potential that the address might change in future, therefore not a viable option.
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  • Thanks for the response.
    when you say tag name based addressing, are you suggesting that the address use a function of sorts to indirectly reference the actual PLC tag? I did consider using PLC addressing with offsets as well but there is a high potential that the address might change in future, therefore not a viable option.
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