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If this isn´t noticed or if the network is build incorrectly by hand the error: 0xC0CD0043 "Topology error detected" will be shown in the general diagnosis:
To determine the difference between the configured and the real topology use the Diagnosis and do a "Online Comparison". This will also show, if all the device descriptions used match the real hardware, according to the parameters: Vendor ID, product code and Revision.
Slave
Title 3 provides an entry in the table of contents as x.1 + n.1 + m
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