The DATEX II Exchange Platform Specific Model (Exchange PSM) has been updated since the release of the v3.1 to Exchange 2018
Basic Exchange 2018 Data Model
The WSDL and XSD for the different PSM:
Snapshot Pull WSDL
Snapshot Push WSDL
Simple Push WSDL
Stateful Push WSDL
XSD needed for WSDL
CIS WSDL
CIS service WSDL
XSD needed for CIS
DATEX II
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Exchange 2020
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