122 Rockwell Automation Publication 5094-UM001E-EN-P - April 2020
Chapter 7 Configure and Replace Safety Modules
Replacement with ‘Configured Always’ Enabled
When the ‘Configure Always’ feature is enabled, the controller automatically
checks for and connects to a replacement module that meets all the following
requirements:
• The controller has configuration data for a compatible module at that
network address.
• The module is in out-of-box condition or has an SNN that matches the
configuration.
If the project is configured for ‘Configure Always’, follow the appropriate steps to
replace a FLEX 5000 safety I/O module.
1. Remove the old I/O module and install the new module.
2. Right-click your I/O module and choose Properties.
3. Click the Safety tab.
4. Click Reset Ownership.
5. Click OK.
6. Follow your company-prescribed procedures to functionally test the
replaced I/O module and system and to authorize the system for use.
ATTENTION: Enable the ‘Configure Always’ feature only if the entire CIP
Safety Control System is not being relied on to maintain SIL 3 behavior
during the replacement and functional testing of a module.
Do not place modules that are in the out-of-box condition on a CIP Safety
network when the Configure Always feature is enabled, except while following
this replacement procedure.
If Then
the module is in out-of-box condition go to step 6
.
No action is needed for the controller to take ownership of the
module.
an SNN mismatch error occurs go to the next step to reset the module to out-of-box condition.
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