Bender ISOMETER IR427 Manual page 10

Technische Daten IR427
Isolationskoordination nach IEC 60664-1 / IEC 60664-3
Bemessungsspannung ............................................................................................................ 250 V
Bemessungs-Stoßspannung / Verschmutzungsgrad ........................................................ 4 kV / III
Sichere Trennung (verstärkte Isolierung) zwischen..........................................................................
................................................................................ (L1, L2, E, KE, 1, 2, 3, 4, Z, Z/k, I) - (11, 12, 14)
Spannungsprüfung nach IEC 61010-1 ................................................................................... 2,2 kV
Versorgungsspannung
Versorgungsspannung U ........................................................................................................ = U
s
Eigenverbrauch .....................................................................................................................
Überwachtes IT-System
Netznennspannung U ............................................................................................ AC 70...264 V
n
Nennfrequenz f ............................................................................................................. 47...63 Hz
n
Isolationsüberwachung
Ansprechwert R ........................................................................................ 50...500 kΩ (50 kΩ)*
an
Ansprechabweichung ........................................................................................................... ±10 %
Hysterese .................................................................................................................................. 25 %
Ansprechzeit t bei R = 0,5 x R und C
an F an e
Zulässige Ableitkapazität C ...................................................................................................... 5 μF
e
Messkreis
Messspannung U ................................................................................................................. ±12 V
m
= 0 Ω) .............................................................................................
Messstrom I (bei R
m F
Gleichstrominnenwiderstand R ........................................................................................
i
Impedanz Z bei 50 Hz .......................................................................................................
i
Zulässige Fremdgleichspannung U ............................................................................
fg
Laststromüberwachung
Ansprechwert einstellbar ...................................................................................... 5...50 A (7 A)*
Ansprechabweichung ............................................................................................................ ± 5 %
Hysterese .................................................................................................................................... 4 %
Einstellwerte Laststrommessung:
Trafo ................. 3150 VA ....... 4000 VA ....... 5000 VA ........ 6300 VA ....... 8000 VA ..... 10000 VA
I .................. 14 A .............. 18 A .............. 22 A .............. 28 A ............. 35 A ............. 45 A
alarm 1~
Ansprechzeit Überlast (50 % auf 120 %) ................................................................................< 5 s
Ansprechzeit Wandlerüberwachung .............................................. bei Neustart, Test oder alle 1 h
Temperaturüberwachung
Ansprechwert (Festwert) .......................................................................................................... 4 kΩ
Rückfallwert (Festwert) .......................................................................................................... 1,6 kΩ
Kaltleiter nach DIN 44081 ........................................................................................ max. 6 in Reihe
Ansprechzeit Übertemperatur ..................................................................................................< 2 s
Ansprechzeit Anschlussfehler Kaltleiter....................................................................................< 2 s
Anzeigen, Speicher
Anzeige LC-Display .......................................................................... multifunktional, unbeleuchtet
Messwert Isolationswiderstand ................................................................................ 10 kΩ...1 MΩ
Betriebsmessabweichung ..................................................................................... ± 10 %, ± 2 kΩ
Messwert Laststrom (in % vom eingestellten Ansprechwert) .............................. 10 %...199 %
Betriebsmessabweichung ...................................................................................... ± 5 %, ± 0,2 A
Passwort ................................................................................................. on, off / 0...999 (off, 0)*
Schnittstelle für MK7
Leitungslänge, paarweise verdrillt, geschirmt ..................................................................
Empfohlene Leitung ............................................. min. J-Y(St)Y 2x2 x 0,6; Schirm einseitig an PE
Stromversorgung (Klemme 1 und 2):
U ....................................................................................................................................... DC 24 V
aus
I (max. 4 MK7) .................................................................................................................. 80 mA
max
Kommunikation (Klemme 3 und 4):
Schnittstelle/Protokoll ..................................................................... RS-485 / proprietär, kein BMS
Abschlusswiderstand .................................................................. 120 Ω (0,25 W), intern, schaltbar
IR427-MK7_D00118_02_M_DEEN/05.2017
= 0,5 μF ...............................................................
≤
Technical data IR427
Insulation coordination acc. to IEC 60664-1 / IEC 60664-3
Rated insulation voltage .......................................................................................................... 250 V
Rated impulse voltage/pollution degree ............................................................................ 4 kV / III
Protective separation (reinforced insulation) between ....................................................................
............................................................................... (L1, L2, E, KE, 1, 2, 3, 4, Z, Z/k, I) - (11, 12, 14)
Voltage test according to IEC 61010-1 .................................................................................. 2.2 kV
Supply voltage
Supply voltage U ...................................................................................................................... = U
n S
≤
4 VA Power consumption ...............................................................................................................
IT system being monitored
Nominal system voltage U
Nominal frequency f
n
Insulation monitoring
Response value R ...................................................................................... 50...500 kΩ (50 kΩ)*
an
Relative percentage error ..................................................................................................... ±10 %
Hysteresis.................................................................................................................................. 25 %
≤
5 s Response time t at R
an
Permissible system leakage capacitance C
Measuring circuit
Measuring voltage U
m
≤
50 μA Measuring current I
m
≥
240 kΩ Internal DC resistance R
≥
200 kΩ Impedance Z , at 50 Hz ......................................................................................................
i
DC 300 V Extraneous DC voltage U
Load current monitoring
Response value, adjustable ................................................................................... 5...50 A (7 A)*
Relative percentage error ....................................................................................................... ±5 %
Hysteresis ..................................................................................................................................... 4%
Setting value load current measurement:
Transformer ..... 3150 VA ....... 4000 VA ....... 5000 VA ....... 6300 VA ....... 8000 VA ..... 10000 VA
I ...................14 A .............. 18 A ............. 22 A ............. 28 A .............. 35 A .............. 45 A
alarm 1~
Response time overload, (50 % to 120 %) ............................................................................. < 5 s
Response time for measuring current transformer monitoring............. at restart, test or every 1 h
Temperature monitoring
Response value (fixed value) .................................................................................................... 4 kΩ
Release value (fixed value) ..................................................................................................... 1.6 kΩ
PTC thermistors acc. to DIN 44081 .......................................................................... max. 6 in series
Response time overtemperature .............................................................................................. < 2 s
Response time connection fault PTC resistors.......................................................................... < 2 s
Displays, memory
LC display ...................................................................................... multifunctional, not illuminated
Measured value insulation resistance ...................................................................... 10 kΩ...1 MΩ
Operating error ....................................................................................................... ±10 %, ± 2 kΩ
Measured value load current (as % of the set response value) ............................. 10 %...199 %
Operating error ......................................................................................................... ±5 %, ±0.2 A
Password ................................................................................................. on, off / 0...999 (off, 0)*
Interface for MK7
≤
200 m Cable length, twisted pairs, shielded .................................................................................
Recommended cable ....................... min. J-Y(St)Y 2x2 x 0.6; shield on one side connected to PE
Power supply (terminals 1 and 2):
U ...................................................................................................................................... DC 24 V
aus
I (max. 4 MK7) ................................................................................................................. 80 mA
max
Communication (terminal 3 and 4):
Interface/protocol ............................................................ RS-485 / proprietary interface (no BMS)
Terminating resistor .............................................................. 120 Ω (0.25 W), internal, switchable
ISOMETER® IR427 plus MK7
..................................................................................... AC 70...264 V
n
.............................................................................................. 47......63 Hz
= 0.5 x R and C = 0.5 μF .............................................................
F an e
............................................................................. 5 μF
e
........................................................................................................... ±12 V
= 0 Ω) ...................................................................................
(at R
F
....................................................................................................
i
.............................................................................................
fg
n
≤
4 VA
≤
5 s
≤
50 μA
≥
240 kΩ
≥
200 kΩ
≤
DC 300 V
≤
200 m
10