
ISOMETER® isoGEN423
isoGEN423_D00221_02_Q_DEEN/ 03.2021 7
Technische Daten
()* = Werkseinstellung
Isolationskoordination nach IEC 60664-1/IEC 60664-3
Bemessungsspannung..............................................................400 V
Überspannungskategorie................................................................III
Versorgungsspannung
Versorgungsspannung Us.................AC 100…240 V/DC 24…240 V
Toleranz von Us............................................................-30…+15 %
Frequenzbereich Us..........................................................47…63 Hz
Eigenverbrauch...........................................................≤ 3 W, ≤ 9 VA
Überwachtes IT-System
Netznennspannung Un.......................................................................
..................................................3(N)AC, AC 0…400 V/DC 0…400 V
Toleranz von Un......................................................................+ 25 %
Frequenzbereich von Un...........................................DC, 35…460 Hz
Ansprechwerte
Ansprechwert Ran1 ..........................................Ran2…250 kΩ (46 kΩ)*
Ansprechwert Ran2 ..............................................5 kΩ…Ran1 (23 kΩ)*
Ansprechunsicherheit Ran ........................ ±15 %, mindestens ±2 kΩ
Hysterese Ran ................................................. 25 %, mindestens 1 kΩ
Unterspannungserkennung U<.....................10 V…U> (off/10 V)*
Überspannungserkennung U>..................U<…500 V (off/500 V)*
Ansprechunsicherheit U.............................. ±5 %, mindestens ±5 V
Frequenzabhängige Ansprechunsicherheit ≥ 400 Hz........................
.......................................................................................-0,015 %/Hz
Hysterese U....................................................... 5 %, mindestens 5 V
Zeitverhalten
Ansprechzeit tan bei RF= 0,5 x Ran und Ce=1 μF nach
IEC 61557-8................................................................................≤ 1 s
Anlaufverzögerung t...................................................0…10 s (0 s)*
Ansprechverzögerung ton ............................................0…99 s (0 s)*
Rückfallverzögerung toff ..............................................0…99 s (0 s)*
Schnittstelle
Schnittstelle/Protokoll................RS-485/BMS, Modbus RTU, isoData
Baudrate...........BMS (9,6 kBit/s), Modbus RTU (einstellbar), isoData
(115,2 kBit/s)
Leitungslänge (9,6 kBit/s).................................................≤ 1 200 m
Leitung: paarweise verdrillt, Schirm einseitig an PE..........................
...........................................................................min. J-Y(St)Y 2 x 0,6
Abschlusswiderstand.........................................................................
................................................... 120 Ω (0,25 W), intern, zuschaltbar
Geräteadresse, BMS-Bus, Modbus RTU ........................... 3…90 (3)*
Technical data
()* = Factory settings
Insulation coordination acc. to IEC 60664-1/IEC 60664-3
Rated voltage............................................................................400 V
Overvoltage category......................................................................III
Supply voltage
Supply voltage Us.............................AC 100…240 V/DC 24…240 V
Tolerance of Us.............................................................-30…+15 %
Frequency range Us..........................................................47…63 Hz
Power consumption....................................................≤ 3 W, ≤ 9 VA
Monitored IT system
Nominal system voltage Un................................................................
..................................................3(N)AC, AC 0…400 V/DC 0…400 V
Tolerance of Un.......................................................................+ 25 %
Frequency range of Un..............................................DC, 35…460 Hz
Response values
Response value Ran1........................................Ran2…250 kΩ (46 kΩ)*
Response value Ran2............................................5 kΩ…Ran1 (23 kΩ)*
Relative uncertainty Ran .................................±15 %, at least ±2 kΩ
Hysteresis Ran .......................................................25 %, at least 1 kΩ
Undervoltage detection U<...........................10 V…U> (off/10 V)*
Overvoltage detection U> .........................U<…500 V (off/500 V)*
Relative uncertainty U........................................±5 %, at least ±5 V
Relative uncertainty depending on the frequency ≥ 400 Hz .............
.......................................................................................-0.015 %/Hz
Hysteresis U............................................................. 5 %, at least 5 V
Time response
Response time tan at RF= 0.5 x Ran and Ce=1 μF acc. to
IEC 61557-8................................................................................≤ 1 s
Start-up delay t...........................................................0…10 s (0 s)*
Response delay ton.......................................................0…99 s (0 s)*
Delay on release toff .....................................................0…99 s (0 s)*
Interface
Interface/protocol.......................RS-485/BMS, Modbus RTU, isoData
Baud rate.......... BMS (9.6 kBit/s), Modbus RTU (selectable), isoData
(115.2 kBit/s)
Cable length (9.6 kBit/s)...................................................≤ 1,200 m
Cable: twisted pairs, shield connected to PE on one side...................
...........................................................................min. J-Y(St)Y 2 x 0.6
Terminating resistor...........................................................................
.......................................120 Ω (0.25 W), internal, can be connected
Device address, BMS bus, Modbus RTU........................... 3…90 (3)*