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Data management

Data save

Retain and Persistent management of item data is part of PLC: UP - Remanent handling

B&R

All controller interface structures could be saved to USER partition at flash card with file handler:

  • USER/cnf/f_cnf
  • USER/par/f_par
  • ...

Use data save button at controller tree page. Full data save is executed over all structures and items if button is pressed (independent of selected controller).

S7

Specified controller interface structures are handled with S7 persistent management. No data save event from Service Ui required (Data save button not visible).

TwinCAT

Specified controller interface structures are declared as PERSISTENT or RETAIN. There handled by TwinCAT runtime with retain handler or UPS. No data save event from Service Ui required (Data save button not visible).

Import / Export

Supports controller interface structures import / export to JSON files ZIP archive.

Export

Export is successfully done if all items have a valid connection state while export it. It represents actual PLC value of each item.

Import

Import routine is successfully done if file is a valid ZIP archive.

Constraints

  • All hidden files where skipped.
  • Each file must be a valid JSON.
  • Warnings & Errors are logged to console.
  • In case of items where are not found at PLC. Import is still reported as successfully done. This case supports loading of export archives, which are created with older PLC versions.

data-import