NORD Drivesystems BU0050 - Handbuch (Seite 5)

Inhalt
BU 0050 DE-3111 technische Änderungen vorbehalten 5
VORWORT ................................................................................................................................... 7
1 USS ........................................................................................................................................... 7
1.1 Allgemeines .......................................................................................................... 7
1.1.1 Das USS-Protokoll .................................................................................................... 7
1.1.2 Merkmale .................................................................................................................. 7
1.1.3 Lieferung ................................................................................................................... 7
1.1.4 Lieferumfang ............................................................................................................. 8
1.1.5 Zulassungen ............................................................................................................. 8
1.1.6 Typenschlüssel ......................................................................................................... 8
1.2 Baugruppen .......................................................................................................... 9
1.2.1 SK 500E .................................................................................................................... 9
1.2.2 SK 700E .................................................................................................................. 12
1.2.3 SK 300E .................................................................................................................. 18
1.3 USS Protokollspezifikation ................................................................................. 19
1.3.1 Allgemeines ............................................................................................................ 19
1.3.2 Telegrammaufbau ................................................................................................... 19
1.3.3 Datencodierung ....................................................................................................... 20
1.3.4 Zeichenrahmen ....................................................................................................... 20
1.3.5 Übertragungsverfahren ........................................................................................... 21
1.3.6 Start- Pausenzeit .................................................................................................... 21
1.3.7 Antwortverzögerungszeit......................................................................................... 22
1.4 Busaufbau .......................................................................................................... 23
1.4.1 Allgemeines ............................................................................................................ 23
1.4.2 Topologie ................................................................................................................ 23
1.4.3 Übertragungstechnik ............................................................................................... 23
1.4.4 Installation des Bussystems .................................................................................... 24
1.5 Datenübertragung .............................................................................................. 26
1.5.1 Struktur der Nutzdaten ............................................................................................ 26
1.5.2 PPO- Typen ............................................................................................................ 27
1.5.3 Prozessdaten (PZD) ............................................................................................... 29
1.5.4 Parameterbereich (PKW) ........................................................................................ 39
1.6 Beispiel – Telegramme ....................................................................................... 43
1.6.1 Der Makrogenerator ................................................................................................ 43
1.6.2 Einschaltsperre
 Einschaltbereit .......................................................................... 44
1.6.3 Freigabe mit Sollwert 50% ...................................................................................... 46
1.6.4 Schreiben eines Parameters ................................................................................... 47
1.6.5 Lesen des Parameters Hochlaufzeit ....................................................................... 48
1.7 Master-Telegrammzeiten ................................................................................... 49
1.8 Frequenzumrichter – Einstellungen ................................................................... 50
1.8.1 Frequenzumrichter Busparameter .......................................................................... 50
2 MODBUS RTU ........................................................................................................................ 61
2.1 Das Bussystem ................................................................................................... 61
2.2 Merkmale ............................................................................................................ 61
2.3 Telegrammaufbau .............................................................................................. 62
2.4 RTU Frames ....................................................................................................... 62
2.5 Funktion Codes .................................................................................................. 62
2.5.1 01h Read Coil ......................................................................................................... 63
2.5.2 05h Write Single Coils ............................................................................................. 63
2.5.3 0Fh Write Multiple Coils .......................................................................................... 64
2.5.4 03h Read Holding Register ..................................................................................... 65
2.5.5 06h Write Single Register ....................................................................................... 66
2.5.6 10h Write Multiple Register ..................................................................................... 66
2.6 Exception Responses ......................................................................................... 68
2.7 Watchdog ........................................................................................................... 68
2.8 Parameterbeschreibung ..................................................................................... 69