Allen-Bradley GuardLogix 5570, User Manual

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118 Rockwell Automation Publication 1756-UM022D-EN-P - May 2017
Chapter 6 Develop Safety Applications
Monitor Tag Mapping Status
The leftmost column of the Safety Tag Mapping dialog box indicates the status
of the mapped pair.
For more information, see the tag mapping restrictions on page 116 .
Safety Application
Protection You can protect your application program from unauthorized changes by
safety-locking the controller and by generating and recording the safety task
signature.
Safety-lock the Controller
The GuardLogix controller can be safety-locked to protect safety-related
control components from modification. The safety-lock feature applies only to
safety components, such as the safety task, safety programs, safety routines,
safety Add-On Instructions, safety tags, safety I/O, and the safety task
signature.
Table 37 - Tag Mapping Status Icons
Cell Contents Description
Empty Tag mapping is valid.
When offline, the X icon indicates that tag mapping is invalid. You can move to another row
or close the Safety Tag Mapping dialog box.
(1)
When online, an invalid tag map results in an error message explaining why the mapping
is invalid. You cannot move to another row or close the Safety Tag Mapping dialog box if a
tag mapping error exists.
(1) Tag mapping is also checked during project verification. Invalid tag mapping results in a project verification error.
Indicates the row that currently has the focus.
Represents the Create New Mapped Tag row.
Represents a pending edit.