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I am trying to use a ProSoft MVI56 solution with my GuardLogix 1756-L62S CPU without a 1756-LSP Partner module and cannot download a configuration file to the MVI56. What do I need to do?

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Without a 1756-LSP Partner module, the 1756-L62S will not talk to I/O modules across the backplane.  Without a backplane connection, a ProSoft MVI56 solution will not be able to complete its boot-up routine and will not allow access via its Configuration/Debug port for configuration uploads/downloads or diagnostics.

To correct this situation, you will need to either add a 1756-LSP Partner module to the system or change to a different ControlLogix CPU that does not require a Partner module.