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Can an M580 V2.70 safety project be transferred into V2.40 CPUs?

Published date: 22 July 2019

Issue
After the transfer of a project to an M580 Safety CPU, it is discovered that the project has a v2.70 CPU selected and the firmware in the CPU is only at V2.40. Is this a problem? 

Product line
Modicon M580, Unity Pro, Control Expert

Resolution
There is no harm in allowing the transfer of a v2.70 project into a v2.40 CPU as there are no functional changes that require this be prevented. The same would apply to any CPU firmware between 2.40 and 2.70.

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