2/1/2016 7:17 AM | |
Joined: 11/29/2014 Last visit: 9/13/2024 Posts: 96 Rating: (23) |
Dear rajeshei When replacing a CPU with another, you
always have to check whether the new module is compatible with the old
one. Even same numbered modules have different revision levels that can
lead to certain problems. So you should first check the compatibility
information available on the Siemens Support site, for example here: http://support.automation.siemens.com/WW/view/en/25208203 when replacing a S7-400 CPU when a CP443-1was
inserted in the rack is explained in the following FAQ: retaining the
CP’s configuration data on the CP itself before swapping CPUs allows you
to download the modified program to the new CPU through the Ethernet
connection. http://support.automation.siemens.com/WW/view/en/1972934 |
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