Allen-Bradley Compact GuardLogix 5370 User Manual page 176

Chapter 11 Go Online with the Controller
Table 32 - Connect to the Controller
If the software indicates
Unable to connect to controller. Mismatch between the offline project and
the controller serial number. Selected controller may be the wrong
controller.
Unable to connect to controller. The revision of the offline project and the
controller' s firmware are not compatible.
You need to upload or download to go online by using the open project.
Unable to connect in a manner that preserves safety task signature.
Controller's firmware minor revision is not compatible with safety task
signature in offline project.
Unable to connect to controller. Incompatible safety task signature cannot
be deleted while project is safety-locked.
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3. Follow the directions in the table below to connect to the controller.
Then
Connect to the correct controller, select another project file, or choose the Update project serial
number checkbox and choose Go Online... to connect to the controller and update the offline
project serial number to match the controller.
Choose one of the following options:
• Choose Update Firmware. Choose the required revision and click Update. Confirm your selection
by clicking Yes.
IMPORTANT: The online project is deleted.
• To preserve the online project, cancel the online process and install a version of the Logix
Designer application that is compatible with the firmware revision of your controller.
Choose one of the following options:
• Upload to update the offline project.
• Download to update the controller project.
• Choose File to select another offline project.
• To preserve the safety task signature when the firmware minor revision is incompatible, update
the firmware revision in the controller to exactly match the offline project. Then go online to the
controller.
• To proceed with the download despite the safety task signature incompatibility, click Download.
The safety task signature is deleted.
IMPORTANT: The safety system requires revalidation.
Cancel the online process. You must safety-unlock the offline project before attempting to go online.
When the controller and the programming software are online, the safety-locked
status and safety task signature of the controller match the controller's project.
The safety-lock status and safety task signature of the offline project are
overwritten by the controller. If you do not want the changes to the offline project
to be permanent, do not save the project file following the go online process.
Rockwell Automation Publication 1769-UM022C-EN-P - June 2018