
6 isoBAT425_D00308_05_Q_DEEN / 11.2023
ISOMETER® isoBAT425
Response values
Response value Ran1 ...................................... 11…5000 kΩ (1500 kΩ)*
Response value Ran2 ...................................... 10…4900 kΩ (1000 kΩ)*
Relative uncertainty Ran (Ce≤ 1 µF).................... ±15 %, at least ±2 kΩ
Hysteresis Ran ........................................................... 25 %, at least 1 kΩ
Voltage detection UBattH............................................. 4…500 V (400 V)
Voltage detection UBattL ............................................. 3…499 V (378 V)
Voltage detection UCrossH............................................ 4…500 V (345 V)
Voltage detection UCrossL ................................................ 3…499 V (6 V)
Overvoltage detection ................................................................... 510 V
Relative uncertainty U......................................... ±5 %, at least ±0.5 V
Hysteresis U...................................................................5 %, at least 2 V
Time response
Response time tae at RF= 0.5 x Ran for the measuring pulse period durations:
TMP = 0.8 s............................................................................≤ 3.5 s
TMP = 2.0 s...............................................................................≤ 8 s
TMP = 4.0 s.............................................................................≤ 16 s
TMP = 8.0 s ............................................................................≤ 32 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 (shield connected to PE on one side):
recommended:............................................. CAT6/CAT7 min. WG23
twisted pairs: ...................................................min. J-Y(St)Y 2 x 0.8
Terminating resistor............ 120 Ω (0.25 W), internal, can be connected
Device address, BMS bus, Modbus RTU ................................3…90 (3)*
Connection
Connection type........................................................push-wire terminal
Nominal current...........................................................................≤ 10 A
Cross section .........................................................................AWG 24-14
Stripping length...........................................................................10 mm
Rigid ................................................................................0.2…2.5 mm2
Flexible without ferrules................................................0.75…2.5 mm2
Flexible with ferrules with/without plastic sleeve.........0.25…2.5 mm²
Multi-conductor flexible with TWIN ferrules with plastic sleeve.............
.......................................................................................0.25…1.5 mm²
Opening force ..................................................................................50 N
Test opening, diameter...............................................................2.1 mm
Other
Operating mode.................................................... continuous operation
Mounting.............................. cooling slots must be ventilated vertically
Degree of protection, built-in components (DIN EN 60529).............IP30
Degree of protection, terminals (DIN EN 60529)..............................IP20
Ansprechwerte
Ansprechwert Ran1 ......................................... 11…5000 kΩ (1500 kΩ)*
Ansprechwert Ran2 ......................................... 10…4900 kΩ (1000 kΩ)*
Ansprechunsicherheit Ran (Ce≤ 1 µF) ...........±15 %, mindestens ±2 kΩ
Hysterese Ran ......................................................25 %, mindestens 1 kΩ
Spannungserkennung UBattH ...................................... 4…500 V (400 V)
Spannungserkennung UBattL....................................... 3…499 V (378 V)
Spannungserkennung UCrossH ..................................... 4…500 V (345 V)
Spannungserkennung UCrossL.......................................... 3…499 V (6 V)
Überspannungserkennung ............................................................510 V
Ansprechunsicherheit U................................±5 %, mindestens ±0,5 V
Hysterese U.............................................................5 %, mindestens 2 V
Zeitverhalten
Ansprechzeit tae bei RF= 0.5 x Ran für die Messpulsperiodendauern:
TMP = 0,8 s............................................................................≤ 3,5 s
TMP = 2,0 s...............................................................................≤ 8 s
TMP = 4,0 s.............................................................................≤ 16 s
TMP = 8,0 s ............................................................................≤ 32 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 (Schirm einseitig an PE)
empfohlen: ..................................................... CAT6/7 min. AWG23
alternativ paarweise verdrillt:..........................min. J-Y(St)Y 2 x 0,8
Abschlusswiderstand.......................120 Ω (0,25 W), intern, zuschaltbar
Geräteadresse, BMS-Bus, Modbus RTU ................................3…90 (3)*
Anschluss
Anschlussart...................................................................... Federklemme
Nennstrom...................................................................................≤ 10 A
Querschnitt ...........................................................................AWG 24-14
Abisolierlänge..............................................................................10 mm
Starr.................................................................................0,2…2,5 mm2
Flexibel ohne Aderendhülse...........................................0,75…2,5 mm2
Flexibel mit Aderendhülse mit/ohne Kunststoffhülse....0,25…2,5 mm²
Mehrleiter flexibel mit TWIN Aderendhülse mit Kunststoffhülse............
.......................................................................................0,25…1,5 mm²
Öffnungskraft...................................................................................50 N
Testöffnung, Durchmesser..........................................................2,1 mm
Sonstiges
Betriebsart.....................................................................Dauerbetrieb
Einbaulage..........Kühlschlitze müssen senkrecht durchlüftet werden
Schutzart Einbauten (DIN EN 60529) ...........................................IP30
Schutzart Klemmen (DIN EN 60529) ............................................IP20