Bender ISOMETER isoRW425 Quick Start

8 isoRW425_D00052_04_Q_XXEN / 03.2019
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
.............................................................................................................. 3(N)AC, AC 0…440 V/DC 0…440 V
Nominal system voltage range U
n
(UL508) ....................................................................................................................AC/DC 0…400 V
Tolerance of U
n
.......................................................................................................................................................AC +15 %, DC + 10 %
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
..........................................................................................................................................±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 %, at least 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 kBits/s)
Cable length (9.6 kBits/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)*

Bender ISOMETER isoRW425 Specifications

General

Brand	Bender
Model	ISOMETER isoRW425
Category	Measuring Instruments
Language	English