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A-ISOMETER®107TD47
Technische Daten
Isolationskoordination nach IEC 60664-1
Bemessungsspannung ........................................................................................................AC 250 V
Bemessungs-Stoßspannung/Verschmutzungsgrad ..............................................................4 kV/3
Spannungsbereiche
Netznennspannung U
.................................................................................... siehe Bestellangaben
n
Nennfrequenz f
.............................................................................................. siehe Bestellangaben
n
Versorgungsspannung U
............................................................................... siehe Bestellangaben
S
Arbeitsbereich von U
.............................................................................................. 0,85 ... 1,15 x U
S
Eigenverbrauch max................................................................................................................... 3 VA
Messkreis
Isolationsüberwachung:
Ansprechwert R
....................................................................................................... 50 ... 500 kΩ
an
Ansprechabweichung......................................................................................................0 ... +10 %
Ansprechzeit t
bei R
= 0,5 x R
und C
an
F
an
e
Hysterese.................................................................................................................................... 25 %
............................................................................ ≤ 12 V
Messspannung U
m
= 0 Ω) ........................................................ ≤ 50 µA
Messstrom I
max. (bei R
m
F
................................................................................................. ≥ 240 kΩ
Innenwiderstand DC R
i
bei 50 Hz ..................................................................................................... ≥ 200 kΩ
Impedanz Z
i
.................................................... ≤ DC 375 V
Zulässige Fremdgleichspannung U
fg
...............................................................≤ 5 µF
Zulässige Netzableitkapazität C
e
Laststromüberwachung:
Ansprechwert ...................................................................................................................... 5 ... 50 A
Hysterese...................................................................................................................................... 4 %
Temperatureinfluss..................................................................................................... < 0.15 % / °C
Temperaturüberwachung:
Ansprechwert ............................................................................................................................4 kΩ
Rückfallwert ........................................................................................................................... 1.6 kΩ
Kaltleiter nach DIN 44081..........................................................................................max. 6 in Reihe
Anzeigen
Anzeige (beleuchtet)........................................................................................................ LC-Display
Zeichen (Anzahl, Höhe)........................................................................................... 2 x 16 (3,5 mm)
Anzeigebereich Messwert .................................................................................10 kΩ .... 5000 kΩ
Betriebsmessabweichung ....................................................................................nach IEC 61557-8
Eingänge
Taste "TEST".........................................................................................................................Schließer
Meldung "Isolationsfehler OP-Leuchte"..................................................................................Öffner
Leitungslänge Eingänge max.................................................................................................... 10 m
Schnittstellen
Schnittstelle / Protokoll ................................................................................................. RS485/BMS
Max. Leitungslänge .......................................................................................................
Empfohlene Leitung (geschirmt, Schirm einseitig an PE)........................................ J(Y)STY 2 x 0,6
Abschlusswiderstand.............................................................................................. 120 Ω (0,25 W)
Adressbereich ............................................................................................................................2...90
Schaltglieder
Alarmrelais .......................................................................................................................1 Wechsler
Arbeitsweise ................................................................... einstellbar, Ruhestrom oder Arbeitsstrom
Werksseitige Einstellung ...............................................................................................Arbeitsstrom
Elektrische Lebensdauer......................................................................................12000 Schaltspiele
Kontaktklasse.....................................................................................................IIB (IEC60255-0-20)
Kontaktbemessungsspannung......................................................................... AC 250 V / DC 300 V
Einschaltvermögen ............................................................................................................AC/DC 5 A
Ausschaltvermögen bei AC 230 V, cos phi 0,4 .............................................................................2 A
Ausschaltvermögen bei DC 220 V, L/R=0,04 s........................................................................ 0,2 A
Allgemeine Daten
EMV Störfestigkeit ..................................................................................................... nach EN 61326
EMV Störaussendung ............................................................................................... nach EN 61326
Schockfestigkeit IEC60068-2-27 (Gerät in Betrieb) .......................................................15 g/11 ms
10
= 1 µF ...................................................................... 3 s
Technical data
Insulation coordination acc. to IEC 60664-1
Rated voltage....................................................................................................................... AC 250 V
Rated impulse voltage/pollution degree................................................................................ 4 kV/3
Voltage ranges
Nominal voltage range U
Nominal frequency f
........................................................................................ see ordering details
n
Supply voltage U
............................................................................................... see ordering details
S
Operating range of U
............................................................................................. 0.85 ... 1.15 x U
s
S
Max. power consumption.......................................................................................................... 3 VA
Measuring circuit
Insulation monitoring:
Response value R
......................................................................................................50 ... 500 kΩ
an
Relative percentage error ................................................................................................0 ... +10 %
Response time t
at R
an
F
Hysteresis................................................................................................................................... 25 %
......................................................................... ≤ 12 V
Measuring voltage U
m
Measuring current I
max. (at R
m
Internal DC resistance R
at 50 Hz..................................................................................................... ≥ 200 kΩ
Impedance Z
i
Permissible extraneous DC voltage U
Permissible system leakage capacitance C
Load current monitoring:
Response value.....................................................................................................................5 ... 50 A
Hysteresis......................................................................................................................................4 %
Influence of temperature............................................................................................ < 0.15 % / °C
Temperature monitoring:
Response value..........................................................................................................................4 kΩ
Release value ..........................................................................................................................1.6 kΩ
PTC thermistors acc. to DIN 44081 ...........................................................................max. 6 in series
Displays
Display (illuminated).........................................................................................................LC-Display
Characters ................................................................................................................ 2 x 16 (3,5 mm)
Display range, measuring range ....................................................................... 10 kΩ .... 5000 kΩ
Operating error .............................................................................................according IEC 61557-8
Inputs
"TEST" key......................................................................................................................... NO contact
Alarm message "Insulation fault operating theatre light"...............................................NC contact
Cable length inputs max. ...........................................................................................................10 m
Interfaces
Interface/protocol ...........................................................................................................RS485/BMS
1200 m
Max. cable length .........................................................................................................
Recommended cable (screened, screen on one side connected to PE) ...................J(Y)STY 2 x 0.6
Terminating resistor ................................................................................................120 Ω (0.25 W)
Address range............................................................................................................................2...90
Switching components
Alarm relay ......................................................................................................1 changeover contact
Operating mode ........................................................................... adjustable, N/C or N/O operation
Factory setting.............................................................................................................N/O operation
Electrical endurance ............................................................................. 12000 switching operations
Contact class ......................................................................................................IIB (IEC60255-0-20)
Rated contact voltage........................................................................................AC 250 V / DC 300 V
Making capacity ................................................................................................................ AC/DC 5 A
Breaking capacity at AC 230 V, cos phi 0.4...................................................................................2 A
Breaking capacity at DC 220 V, L/R=0.04 s ..............................................................................0.2 A
General data
EMC immunity.........................................................................................................acc. to EN 61326
EMC emission .........................................................................................................acc. to EN 61326
Shock resistance IEC60068-2-27 (device in operation)................................................. 15 g/11 ms
.................................................................................. see ordering details
n
= 0.5 x R
and C
= 1 µF ......................................................................3 s
an
e
= 0 Ω) ................................................. ≤ 50 µA
F
............................................................................................... ≥ 240 kΩ
i
.................................................. ≤ DC 375 V
fg
................................................... ≤ 5 µF
e
s
1200 m
201002 / 11.2005
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