
5
2007005 / 07.03
LIM2000-1NL, ...-2NL
Fehlermeldungen
Technische Daten
Isolationskoordination nach IEC 60664-1
Bemessungsspannung ........................................................................................................AC 300 V
Bemessungs-Stoßspannung/Verschmutzungsgrad..............................................................4 kV/3
Spannungsbereiche
Netznennspannung Un (Überwachtes Netz)..................................................................170...264V
Nennfrequenz fn(Unund Usmüssen gleiche Frequenz haben) ....................... 50...60 Hz (± 5 %)
Versorgungsspannung US................................................................................................. 85...264 V
Arbeitsbereich von US..............................................................................................0,85 ... 1,15 x Us
Eigenverbrauch................................................................................................................max. 22 VA
Messkreis
Isolationsüberwachung:
Ansprechwert LIM2000-1NL fest............................................................................................. 5 mA
Ansprechwert LIM2000-2NL einstellbar .............................................................................1...5mA
Schrittweite Ansprechwert.................................................................................................... 0,5 mA
Toleranz Ansprechwert......................................................................................................4,6...5 mA
Ansprechzeit tan bei RF= 0,5 x Ran und Ce= 1 µF..................................................................< 4 s
Hysterese.................................................................................................................................... 20 %
Messspannung Um......................................................................................................................12 V
Messstrom Immax. (bei RF= 0 Ω)....................................................... ≤ 20 µA
Innenwiderstand DC Ri................................................................................................. ≥240 kΩ
Impedanz Zibei 50/ 60 Hz .............................................................................................. ≥4,3 MΩ
Max. zulässige Fremdgleichspannung Ufg..........................................................................DC 375 V
Max. zulässige Netzableitkapazität Ce........................................................................................5 µF
Ableitstrom Isolationsüberwachungsgerät..................................................................... max. 62 µA
Eingänge
Taste "TEST".........................................................................................................................Schließer
Leitungslänge Eingänge................................................................................................... max.10 m
Schaltglieder
Alarmrelais ............................................................................................................. 1 freierWechsler
Arbeitsweise .....................................................................................................................Ruhestrom
Elektrische Lebensdauer (AC 220V /60 Hz).....................................................100 000 Schaltspiele
Kontaktklasse.....................................................................................................IIB (IEC60255-0-20)
Kontaktbemessungsspannung........................................................................... AC 250 V / DC 24 V
EinschaltvermögenAC/DC ............................................................................................................4 A
Ausschaltvermögen bei AC 230 V, cos phi 0,4 .............................................................................2 A
Ausschaltvermögen bei DC 24 V, L/R=0 s ...................................................................................4 A
LIM Überlastschutz ......eingebauter thermischer Überlastschutz mit automatischer Rücksetzung
Allgemeine Daten
EMV Störfestigkeit .....................................................................................................nach IEC 61326
EMV Störaussendung ...............................................................................................nach IEC 61326
Schockfestigkeit IEC60068-2-27 (Gerät in Betrieb) .......................................................15 g/11 ms
Dauerschocken IEC60068-2-29 (Transport)....................................................................40 g/6 ms
Schwingungsbeanspruchung IEC 60068-2-6 (Gerät in Betrieb).........................1 g / 10 ... 150 Hz
Schwingungsbeanspruchung IEC 60068-2-6 (Transport)...................................2 g / 10 ... 150 Hz
ER 1.0 Anschluss an Potentialausgleich unterbrochen. Die Ver-
bindung zwischen Potentialausgleich und dem Kontakt
LIM GND oder GND2 ist unterbrochen
ER 1.5 Hardwarefehler, Messbereich
ER 2.0 Fehler A/D-Wandler
ER 3.0 Hohe elektrische Störgröße, keine Messung möglich
ER 4.0 Netzspannung des zu überwachenden Netzes höher
oder niedriger als Arbeitsbereich
ER 4.5 Fehler Messkreis
Error messages
Technical data
Insulation coordination acc. to IEC 60664-1
Rated voltage....................................................................................................................... AC 300 V
Rated impulse voltage/pollution degree................................................................................ 4 kV/3
Voltage ranges
Nominal voltage range Un (system being monitored)................................................... 170...264 V
Nominal frequency fn(Unund Usmust have the same frequency) ..................50...60 Hz (± 5 %)
Supply voltage US.............................................................................................................. 85...264 V
Operating range of US............................................................................................. 0.85 ... 1.15 x Us
Power consumption........................................................................................................ max. 22 VA
Measuring circuit
Insulation monitoring:
Response value LIM2000-1NL fixed value .............................................................................. 5 mA
Response value LIM2000-2NL selectable............................................................................ 1...5 mA
Response value increment .................................................................................................... 0,5 mA
Response tolerance ...........................................................................................................4.6...5 mA
Response time tan at RF= 0.5 x Ran and Ce= 1 µF ................................................................. < 4 s
Hysteresis................................................................................................................................... 20 %
Measuring voltage Um.................................................................................................................12 V
Measuring current Immax. (at RF= 0 Ω)................................................ ≤ 20 µA
Internal DC resistance Ri............................................................................................... ≥240 kΩ
Impedance Ziat 50/60 Hz.............................................................................................. ≥4.3 MΩ
Max. permissible extraneous DC voltage Ufg...................................................................... DC 375 V
Max. permissible system leakage capacitance Ce...................................................................... 5 µF
Monitor hazard current ................................................................................................... max. 62 µA
Inputs
"TEST" key......................................................................................................................... NO contact
Cable length inputs ...........................................................................................................max. 10 m
Switching components
Alarm relay ................................................................................1 potentialfree changeover contact
Operating mode ...........................................................................................................................N/C
Electrical endurance (AC 220V /60 Hz) ............................................ 100 000 switching operations
Contact class......................................................................................................IIB (IEC60255-0-20)
Rated contact voltage..........................................................................................AC 250 V / DC 24 V
Making capacityAC/DC .................................................................................................................4 A
Breaking capacity at AC 230 V, cos phi 0.4...................................................................................2 A
Breaking capacity at DC 24 V, L/R=0 s.........................................................................................4 A
LIM overload protection.......................built-in thermal overload protection with automatic reset
General data
EMC immunity........................................................................................................ acc. to IEC 61326
EMC emission ........................................................................................................ acc. to IEC 61326
Shock resistance IEC60068-2-27 (device in operation).................................................15 g/11 ms
Bumping IEC60068-2-29 (during transport).................................................................. 40 g/6 ms
Vibration resistance IEC 60068-2-6 (device in operation)...................................1 g / 10 ... 150 Hz
Vibration resistance IEC 60068-2-6 (during transport).......................................2 g / 10 ... 150 Hz
ER 1.0 Connection to the equipotential bonding interrupted.
The connection between the equipotential bonding
and the contact LIM GND or GND2 is interrupted.
ER 1.5 Hardware fault, measuring range
ER 2.0 A/D converter
ER 3.0 High electrical disturbances, measurement not pos-
sible.
ER 4.0 System voltage of the system being monitored is higher
or lower than the operating range.
ER 4.5 fault measuring circuit.