Bender ISOMETER isoRW425 Quick Start Guide

isoRW425_D00052_06_Q_DEEN / 11.2023 9
ISOMETER® isoRW425
Technical data
()* = Factory settings
Insulation coordination acc. to IEC 60664-1/IEC 60664-3
Rated voltage .................................................................................440 V
Overvoltage category ...........................................................................III
Supply voltage
Supply voltage U
s
.................................. AC 100…240 V/DC 24…240 V
Tolerance of U
s
................................................................. –30…+15 %
Frequency range U
s
...............................................................47…63 Hz
Power consumption ......................................................... ≤ 3 W, ≤ 9 VA
Monitored IT system
Nominal system voltage U
n
................... AC 100…240 V/DC 24…240 V
Nominal system voltage range U
n
(UL508) .................. AC/DC 0…400 V
Tolerance of U
n
.............................................................................+15 %
Frequency range of U
n
..................................................DC, 15…460 Hz
Response values
Response value R
an1
............................................... 2…990 kΩ (40 kΩ)*
Response value R
an2
............................................... 1…980 kΩ (10 kΩ)*
Relative uncertainty R
an
(R mode or Z
F
≈ R
F
)
............................................................................ ±15 %, at least ±1 kΩ
Hysteresis R
an
............................................................ 25 %, at least 1 kΩ
Response value Z
an1
.................................................. 11…500 kΩ (off)*
Response value Z
an2
.................................................. 10…490 kΩ (off)*
Relative uncertainty Z
an
...................................... ±15 %, at least ±1 kΩ
Hysteresis Z
an
............................................................ 25 %, at least 1 kΩ
Undervoltage detection U< ........................................ 10…499 V (off)*
Overvoltage detection U> .......................................... 11…500 V (off)*
Relative uncertainty U............................................. ±5 %, at least ±5 V
Relative uncertainty depending on the frequency ≥ 400 Hz ..................
...........................................................................................
–0.015 %/Hz
Hysteresis U ............................................................5 %, mindestens 5 V
Time response
Response time t
an
at R
F
= 0.5 x R
an
and C
e
=1 μF acc. to IEC 61557-8 ......
......................................................................................................≤ 10 s
Response time t
an
at Z
F
= 0.5 x Z
an
..................................................≤ 5 s
Start-up delay t ................................................................ 0…10 s (0 s)*
Response delay t
on
...........................................................0…99 s (0 s)*
Delay on release t
off
..........................................................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)*
Technische Daten
()* = Werkseinstellung
Isolationskoordination nach IEC 60664-1/IEC 60664-3
Bemessungsspannung ................................................................... 440 V
Überspannungskategorie .....................................................................III
Versorgungsspannung
Versorgungsspannung U
s
...................... AC 100…240 V/DC 24…240 V
Toleranz von U
s
................................................................ –30…+15 %
Frequenzbereich U
s
............................................................... 47…63 Hz
Eigenverbrauch ................................................................ ≤ 3 W, ≤ 9 VA
Überwachtes IT-System
Netznennspannung U
n
.......................... AC 100…240 V/DC 24…240 V
Netznennspannungsbereich U
n
(UL508) ...................... AC/DC 0…400 V
Toleranz von U
n
............................................................................+15 %
Frequenzbereich von U
n
................................................DC, 15…460 Hz
Ansprechwerte
Ansprechwert R
an1
................................................. 2…990 kΩ (40 kΩ)*
Ansprechwert R
an2
................................................. 1…980 kΩ (10 kΩ)*
Ansprechunsicherheit R
an
(R-Mode oder Z
F
≈ R
F
)
......................................................................±15 %, mindestens ±1 kΩ
Hysterese R
an
......................................................25 %, mindestens 1 kΩ
Ansprechwert Z
an1
.....................................................11…500 kΩ (off)*
Ansprechwert Z
an2
.....................................................10…490 kΩ (off)*
Ansprechunsicherheit Z
an
..............................±15 %, mindestens ±1 kΩ
Hysterese Z
an
.......................................................25 %, mindestens 1 kΩ
Unterspannungserkennung U< .................................. 10…499 V (off)*
Überspannungserkennung U> ................................... 11…500 V (off)*
Ansprechunsicherheit U ....................................±5 %, mindestens ±5 V
Frequenzabhängige Ansprechunsicherheit ≥ 400 Hz
...........................................................................................
–0,015 %/Hz
Hysterese U .............................................................5 %, mindestens 5 V
Zeitverhalten
Ansprechzeit t
an
bei R
F
= 0,5 x R
an
und C
e
=1 μF nach IEC 61557-8 ..........
......................................................................................................≤ 10 s
Ansprechzeit t
an
bei Z
F
= 0,5 x Z
an
...................................................≤ 5 s
Anlaufverzögerung t ........................................................ 0…10 s (0 s)*
Ansprechverzögerung t
on
................................................. 0…99 s (0 s)*
Rückfallverzögerung t
off
................................................... 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)*

Bender ISOMETER isoRW425 Specifications

General

Brand	Bender
Model	ISOMETER isoRW425
Category	Measuring Instruments
Language	English