Inhaltsverzeichnis; Inhalt - Siemens MFR 7SJ551 Handbuch

Inhalt

INHALT..................................................................................................................................................3
1 EINFÜHRUNG....................................................................................................................................5
1.1 Anwendung..............................................................................................................................5
1.2 Merkmale.................................................................................................................................5
1.3 Integrierte Funktionen ..............................................................................................................7
2 ENTWURF ..........................................................................................................................................8
2.1 Vorbereitung ............................................................................................................................8
2.2 Abmessungen...........................................................................................................................10
2.3 Bestelldaten .............................................................................................................................13
3 TECHNISCHE DATEN ......................................................................................................................15
3.1 Allgemeine Daten ....................................................................................................................15
3.2 Komponente data .....................................................................................................................22
3.3 Thermischer Überlastschutz .....................................................................................................22
3.4 Kompensation der Umgebungstemperatur (optional).................................................................25
3.5 Anlaufsperre ............................................................................................................................26
3.6 Läuferblockierschutz................................................................................................................27
3.7 Nullgeschwindigkeitsschutz .....................................................................................................27
3.8 Schieflastschutz .......................................................................................................................27
3.9 Unterstromschutz .....................................................................................................................28
3.10 Übertemperaturschutz (Option)...............................................................................................29
3.11 Überstromschutz (low set) ......................................................................................................29
3.12 Hochstromschutz (high set) ....................................................................................................33
3.13 Kennlinienumschaltung ..........................................................................................................34
3.14 Erdschlußrichtungsschutz (optional) .......................................................................................34
3.15 Unterspannungsschutz (optional) ............................................................................................36
3.16 Überspannungsschutz (Option)...............................................................................................36
3.17 Schalterversagerschutz ...........................................................................................................37
3.18 Sperre ....................................................................................................................................38
3.19 Externer Befehl ......................................................................................................................38
3.20 Untergeordnete Funktionen ....................................................................................................38
4 FUNKTIONSWEISE...........................................................................................................................41
4.1 Funktion der gesamten Einheit .................................................................................................41
4.2 Überlastschutz..........................................................................................................................42
4.3 Korrektur Umgebungstemperatur (optional)..............................................................................49
4.4 Anlaufsperre ............................................................................................................................50
4.5 Notanlauf .................................................................................................................................51
4.6 Rotorblockierschutz .................................................................................................................51
4.7 Stillstandschutz ........................................................................................................................51
4.8 Motoranlaufschutz ...................................................................................................................52
4.9 Schieflastschutz .......................................................................................................................54
4.10 Unterstromschutz ...................................................................................................................55
4.11 Übertemperaturschutz (optional).............................................................................................56
4.12 Überstromschutz ....................................................................................................................56
4.13 Überstromschutz (Hochstromstufe).........................................................................................58
4.14 Kennlinienumschaltung ..........................................................................................................59
4.15 Erdfehlerrichtungsschutz (optional) ........................................................................................59
4.16 Unterspannungsschutz (optional) ............................................................................................62
4.17 Überspannungs-schutz(optional).............................................................................................62
4.18 Überspannungsschutz (optional) .............................................................................................63
4.19 Schalterversagerschutz ...........................................................................................................63
4.20 Blockieren..............................................................................................................................63
4.21 Externes Kommando ..............................................................................................................64
4.22 Stellung Leistungsschalter ......................................................................................................64
G88700-C3527-07
MFR 7SJ551
3