Rockwell Automation 1768-L45S Compact GuardLogix Controllers - Manual (Page 102)

102 Rockwell Automation Publication 1768-UM002C-EN-P - April 2012
Chapter 7 Go Online with the Controller
3. Follow the directions in the table below to connect to the controller.
When the controller and RSLogix 5000 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.
Table 28 - Connect to the Controller
If the software indicates Then
Unable to connect to controller. Mismatch between the offline project and the
controller serial number. Selected controller may be the wrong controller. 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.
Unable to connect to controller. The revision of the offline project and the
controller’s firmware are not compatible. 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 RSLogix 5000
software that is compatible with the firmware revision of your controller.
You need to upload or download to go online by using the open project. 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.
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. • 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.
Unable to connect to controller. Incompatible safety task signature cannot be
deleted while project is safety-locked. Cancel the online process. You must safety-unlock the offline project before attempting to go online.