dl-breadcrumbs__homedl-breadcrumb-item__separatorConfiguration and programmingdl-breadcrumb-item__separatorProgramming with CODESYSdl-breadcrumb-item__separator...dl-breadcrumb-item__separatorAutomation Builderdl-breadcrumb-item__separatorProgramming of Applications dl-breadcrumb-item__separatorData Persistence dl-breadcrumb-item__separatorLifespan of variables when calling online commands
dl-pagination__prev-inactivedl-pagination__prev-activedl-pagination__next-inactivedl-pagination__next-active
Lifespan of variables when calling online commands dl-permalink__symbolPermalink

User input in the “Online” menu

Variable with usual lifespan

Neither ‎RETAIN‎ nor ‎PERSISTENT‎

‎RETAIN‎

‎PERSISTENT‎

‎RETAIN PERSISTENT‎

‎PERSISTENT RETAIN‎

Command: “Online Change”

x

x

x

Command: “Reset Warm”

i

x

x

Command: “Reset Cold”

i

i

x

Command: “Download”

i

i

x

Command: “Reset Origin”

i

i

i

x : The variable retains its value.

i : The variable is initialized.

Note: For the structure of persistent data, see the information in "Mechanism for downloading".