Objects associated with specific applications
Automatic symbolization of objects associated with a channel
Introduction
Conditions required
Procedure
The manufacturer's presymbolization (manufacturer's suffix) assigned to language objects is specific to each application. The detailed list of these suffixes is contained in the documentation relating to the specific application concerned.
Automatic symbolization implies that: l l the module has been declared in the PL7 configuration in advance.
the application-specific module accepts this function. The specific applications concerned are: l l l analog, counting, communication.
The table below shows the procedure for the automatic symbolization of objects associated with a channel.
Step
1
2
3
4
5
Action
Access the variable editor.
Access to I/O type variables.
Note: The channels whose objects can be symbolized have a letter P on the button to the left of the %CH address.
Double-click on the P button for the channel to be symbolized.
Enter the user prefix.
Note: If a symbol is already defined for the channel, the prefix proposed is the retrieved symbol truncated to 12 characters.
Confirm with the Presymbolize button.
De-activating automatic symbolization.
Canceling automatic symbolization, for a given logical channel, makes it possible to delete all or part of an object's symbols.
Two options are proposed:
If the option chosen is …
Delete all presymbols
Delete prefixed presymbols then …
No prefix is chosen: all symbols are deleted (including those which have been modified directly using the editor).
Only objects with a prefix identical to that entered are deleted.
50
TLX DS 37 PL7 xxE
