Handbuch MRG3
Inhalt
1.
2.
3.
Aufbau ........................................................................................................... 8
3.1
Anschlüsse .......................................................................................................................... 8
3.1.1
Anschlussbilder ............................................................................................................... 8
3.1.2
Analogeingänge ............................................................................................................ 11
3.1.3
Ausgangsrelais .............................................................................................................. 12
3.1.4
Blockiereingang ............................................................................................................. 12
3.1.5
Externer Reseteingang ................................................................................................. 12
3.1.6
Serielle Schnittstelle ...................................................................................................... 12
3.1.7
Hilfsspannungsversorgung ............................................................................................ 12
3.1.8
Kodierstecker ................................................................................................................ 12
3.1.9
3.2
Frontplatten ....................................................................................................................... 17
3.3
LEDs .................................................................................................................................. 20
4.
Funktionsweise .......................................................................................... 21
4.1
Analogteil ........................................................................................................................... 21
4.2
Digitalteil ............................................................................................................................ 21
4.3
Spannungsüberwachung .................................................................................................. 21
4.3.1
4.4
4.5
Netzentkupplung ............................................................................................................... 24
4.5.1
4.5.2
Vektorsprungüberwachung ........................................................................................... 25
4.5.3
4.5.4
4.6
4.7
Erdschlussüberwachung ................................................................................................... 31
4.7.1
4.7.2
4.7.3
4.7.4
Verlagerungsspannung ................................................................................................. 34
4.7.5
4.7.6
4.8
Störschreiber ..................................................................................................................... 35
5.
5.1
Displayanzeige .................................................................................................................. 37
5.2
Einstellverfahren ............................................................................................................... 41
5.3
Systemparameter .............................................................................................................. 41
5.3.1
5.3.2
5.3.3
5.3.4
5.3.5
5.3.6
Nennfrequenz ................................................................................................................ 42
5.3.7
5.3.8
5.3.9
5.4
5.4.1
5.4.2
5.4.3
5.4.4
5.4.5
5.4.6
5.5
5.5.1
DOK-TD-MRG3, Rev. D
SEG Electronics GmbH
3