Bender RC48C Руководство - Страница 5

Просмотреть онлайн или скачать pdf Руководство для Монитор Bender RC48C. Bender RC48C 8 страниц. Ground-fault ground-continuity monitor

Печатать страницу

RI2000GC Melde- und Prüfkombination (Option) mit TEST-Taste

(T), RESET-Taste (R), „ALARM Ground Fault"-LED (GFA)

und „Ground Check Safe"-LED (GCS). Die Funktionen

der Tasten und LEDs entsprechen denen der gleich-

namigen Bedienelementen am RC48C.

Elektrischer Verbraucher, der über das überwachte

Kabel gespeist wird.

Pilotdraht (Pilot wire)

EGC

Equipment grounding conductor = GND

Kurzschlussschutz Speisespannung.

Empfehlung: 6 A Sicherung.

Anschlüsse

A1, A2

Anschluss der Speisespannung U

11, 12, 14 und 21, 22, 24

Zwei freie Wechsler schalten im Alarmfall. Konfigura-

tion wahlweise als N/O oder N/C.

NC, NC

Kontaktkonfiguration für freie Wechsler einstellen:

Brücke offen:

Brücke geschlossen:

k, l

Anschluss Messstromwandler

Anschluss an den Leiter PW (Pilot wire) des Kabels

Anschluss an den Leiter EGC (Equipment grounding

conductor = GND) des Kabels.

Anschluss der Melde- und Prüfkombination RI2000GC

Anschluss externe Test-Taste

Anschluss externe Reset-Taste

GFA

Anschluss externe LED „Alarm Ground Fault"

GCS

Anschluss externe LED „Ground Check Safe"

U+, U-

Ausgang DC 12 V, z. B. für Versorgung der Melde- und

Prüfkombination RI2000GC.

C1, C2, U+ Brücke versorgt Melde- und Prüfkombination

RI2000GC mit Speisespannung aus dem RC48C.

Technische Daten

Isolationskoordination nach DIN VDE 0110 T1:

Bemessungsspannung ........................................................................................................AC 250 V

Bemessungsstoßspannung/Verschmutzungsgrad .............................................................2,5 kV/3

Spannungsbereiche

Speisespannung U

........................................................................ AC/DC 60...264 V, 50...60 Hz

Für UL:

Speisespannung U

.......................................................................... AC/DC 110...240 V, 50/60 Hz

Sicherung .........................................................................................................empfohlen: 6 A träge

Eigenverbrauch..................................................................................................ca. 5 VA bei AC 60 V

...................................................................................................................... ca. 8,5 VA bei AC 264 V

Überwachung des Differenzstroms

Ansprechwert Differenzstrom ................................................einstellbar 0,1...1 A bzw. 1...10 A

Ansprechabweichung von I

/ A, (gültig für die Einstellbereiche x1 und x10)

Δn

bei Position „0,1" und „1"............................................................................................. 0...–25 %

bei Position „0,3" , „ 0,5" und „0,7".......................................................................................±20 %

Ansprechverzögerung ..................................................................................... einstellbar 0,1...2 s

Toleranz der Ansprechverzögerung ...................................................................................... ±20 %

Dauerkurzschlussstrom ........................................................................................................... 200 A

....................................................................................................................... 2500 A für 2 Sekunden

Arbeitsweise ............................................................................................... Fehlerspeicherverhalten

Überwachung des Schutzleiters

Ansprechwert Längsfehler ......................................................................................................... 40 Ω

Ansprechabweichung............................................................................................................. ±10 Ω

Leerlaufspannung..................................................................................................................DC 12 V

Impedanz des Ausgangs .......................................................................................................... 240 Ω

Nennstrom der Messschleife..............................................................................................DC 25 mA

RC48C_D00318_02_M_DEEN/07.2020

N/O

N/C (Werkseinstellung)

RI2000GC Remote alarm indicator and test combination (option)

with TEST button (T), RESET button (R), "ALARM

Ground Fault" LED (GFA) and "Ground Check Safe"

LED (GCS). The functions of the buttons and LEDs and

the designations correspond to the respective oper-

ating elements on the RC48C.

Electrical load supplied by the cable being monitored.

Pilot wire

EGC

Equipment grounding conductor = GND

Short-circuit protection supply voltage.

A 6 A fuse is recommended.

Connections

A1, A2

Connection supply voltage U

11, 12, 14 and 21, 22, 24

Two voltage-free changeover contacts trip in case of

an alarm. N/C operation or N/O operation selectable.

NC, NC

Set contact configuration for voltage-free changeo-

ver contacts:

Bridge open:

Bridge closed:

k, l

Connection residual current transformer

Connection to the PW (pilot wire) conductor of the cable

Connection to the EGC (equipment grounding con-

ductor = GND) conductor of the cable.

Connection to the RI2000GC remote alarm indicator and test

combination

Connection external Test button

Connection external Reset button

GFA

Connection external "Alarm Ground Fault" LED

GCS

Connection external "Ground Check Safe" LED

U+, U-

Output DC 12 V, e.g. for the supply of the RI2000GC re-

mote alarm indicator and test combination.

C1, C2, U+ Bridge supplying the RI2000GC remote alarm indica-

tor and test combination with supply voltage from

the RC48C.

Technical data

Insulation coordination acc. to IEC 60664-1:

Rated insulation voltage...................................................................................................... AC 250 V

Rated impulse voltage/pollution degree............................................................................. 2.5 kV/3

Voltage ranges

Supply voltage U

.......................................................................... AC/DC 60...264 V, 50...60 Hz

For UL:

Supply voltage U

.............................................................................AC/DC 110...240 V, 50/60 Hz

Fuse..................................................................................................... recommended: 6 A slow fuse

Power consumption ....................................................................................approx. 5 VA at AC 60 V

................................................................................................................approx. 8.5 VA at AC 264 V

Residual current monitoring

Response value, residual current ................................................adjustable 0.1...1 A or 1...10 A

Accuracy of I

/ A, (valid for setting ranges x1 and x10)

Δn

at position "0.1" and "1"................................................................................................ 0...–25 %

at position "0.3", "0.5" and "0.7"......................................................................................... ±20 %

Response delay ................................................................................................. selectable 0.1...2 s

Accuracy of the response delay............................................................................................. ±20 %

Continuous short-circuit current.............................................................................................. 200 A

..........................................................................................................................2500 A for 2 seconds

Operating mode ....................................................................................................................latching

Ground conductor monitoring

Response value, series resistance fault .......................................................................................40 Ω

Accuracy.................................................................................................................................. ±10 Ω

Open-circuit voltage.............................................................................................................. DC 12 V

Output impedance.................................................................................................................... 240 Ω

Rated current of the measuring loop.................................................................................DC 25 mA

N/O

N/C (factory setting)