At a Glance

According to the FDT standard, the official name of a DTM is its Tag name assigned by the DTM vendor.

Unfortunately, some DTMs have Tag names that do not:

• Allow the Tag name to be changed

• Meet the Control Expert naming rules

The solution is to choose the DTM Alias name that meets these rules (and any special user defined application naming rules).

Alias Name

The Alias name is the DTM reference name in Control Expert and must be unique in an application.

If possible, the default, the Alias name is the same as the DTM Tag name. But if necessary, the Alias name can be changed in 3 places:

• Directly in the General tab

• In the DTM Browser by clicking on the selected DTM or using the F2 shortcut with the selected DTM.

I/O Vision in Communication DTMs

For device DTMs attached to certain Schneider Electric Communication DTMs (such as the SE_Master_PRM_DTM), the default names of the DTM Input/Output Types (a structure) and the Variable instances of the Type are based on the default DTM Alias/Tag name:

Changing the Alias name automatically changes the names of the Input/Output Types and Variables: