Publication 1756-PM004C-EN-P - October 2009 65
Data Access Control Chapter 4
The default value in the External Access box is dependent on the usage, and
type of the tag. The following table describes the values.
Default Tag’s External Access
If the tag is Default value is
Alias Same as its target. See Important note
below.
Controller/program scoped and equipment
phase input parameters
Out-of-box is Read/Write.
Thereafter, when creating a new tag, the
default external access tag retains the
value of the user’s previous choice.
(1)
(1)
The External Access default value for tag creation is stored per Windows login account.
Equipment phase output parameters Out-of-box is Read Only.
Thereafter, when creating a new tag, the
default external access tag retains the
value of the user’s previous choice.
(1)
For Alias type, the External Access box is disabled. You are not
allowed to change the external access of an alias tag. However,
the External Access box will update its value to be the same as
the external access of the base target.
See
‘Go To’ Search Menu
on
page 70
for procedures to locate the
base tag for an alias.
See
External Access Availability
on
page 71
for additional
tag considerations.
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