.. uml::


participant eq as "OPCUA Server"


participant "OPCUA Client Channel" as ec #F1F1F1

participant "SU Mapping" as mapping #F1F1F1

participant "SQL Database Channel" as dc #F1F1F1

end box

participant "SQL Database" as SQLDB

eq-> ec: Retrieves data

ec-> mapping: Triggers Rule

mapping -> mapping : Maps data\nto SQL Database

mapping -> dc : Triggers database event

dc -> SQLDB : Executes SQL-query



Access to an OPCUA Server and an SQL-Server database.