Inhaltsverzeichnis
1
Einleitung .............................................................................................................................................. 5
1.1
1.2
1.3
Technical Support ................................................................................................................ 5
1.4
Referenzdokumente ............................................................................................................. 6
1.5
Weiterführende Trainings ..................................................................................................... 6
1.6
Sicherheitshinweise ............................................................................................................. 7
1.6.1
Sicherheitsbestimmungen.................................................................................................... 7
1.6.2
Security-Hinweise ................................................................................................................ 8
1.6.3
Open Source Software ......................................................................................................... 8
1.6.4
1.7
Normen ............................................................................................................................. 10
2
Systembeschreibung ........................................................................................................................... 11
2.1
2.2
Das Bussystem CubicleBUS² ................................................................................................ 11
2.3
3
Modbus TCP ......................................................................................................................................... 17
3.1
Allgemein .......................................................................................................................... 17
3.2
Adressierung ..................................................................................................................... 17
3.3
3.3.1
Funktionscodes .................................................................................................................. 18
3.3.2
3.3.2.1
3.3.2.2
Parameter schreiben .......................................................................................................... 18
3.3.2.3
Kommandos schreiben....................................................................................................... 19
3.4
Transaktionen .................................................................................................................... 20
3.5
Modbus Fehlercodes .......................................................................................................... 20
3.6
Ungültige Werte................................................................................................................. 21
3.7
3.8
Modbus TCP-Whitelist ........................................................................................................ 22
3.9
Kommunikation Offener Leistungsschalter 3WA
Systemhandbuch, 04/2021, 92310000003-01
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