8. Technical data
8.1 Tabular presentation
( )* = Factory settings
Insulation coordination acc. to IEC 60664-1/IEC 60664-3
Definitions:
Measuring circuit (IC1)..................................................................................................................................L1/+, L2/-
Supply circuit (IC2).............................................................................................................................................. A1, A2
Output circuit (IC3)..........................................................................................................................................11, 14, 24
Control circuit (IC4) ................................................................................................................................. E, KE, T/R, A, B
Rated voltage....................................................................................................................................................................400 V
Overvoltage category ............................................................................................................................................................. III
Rated impulse voltage:
IC1/( IC2-4 ).............................................................................................................................................................. 6 kV
IC2/( IC3-4 ).............................................................................................................................................................. 4 kV
IC 3 / IC4.................................................................................................................................................................... 4 kV
Rated insulation voltage:
IC1/(IC2-4)..............................................................................................................................................................400 V
IC2/(IC3-4)..............................................................................................................................................................250 V
IC3/IC4 ....................................................................................................................................................................250 V
Pollution degree ..................................................................................................................................................................... 3
Safe isolation (reinforced insulation) between:
IC1/(IC2-4).................................................................................................................... Overvoltage category III, 600 V
IC2/(IC3-4).................................................................................................................... Overvoltage category III, 300 V
IC 3/(IC4) .......................................................................................................................Overvoltage category III, 300 V
Voltage tests (routine test) acc. to IEC 61010-1:
IC2/(IC3-4)........................................................................................................................................................AC 2.2 kV
IC3/(IC4) ...........................................................................................................................................................AC 2.2 kV
Supply voltage
Supply voltage
.............................................................................................................. AC 100...240 V/DC 24...240 V
s
Tolerance of
................................................................................................................................................. -30...+15 %
s
Frequency range
.............................................................................................................................................. 47...63 Hz
s
Power consumption ....................................................................................................................................... ≤ 3 W, ≤ 9 VA
Monitored IT system
Nominal system voltage
....................................................................................... 3 (N)AC, AC 0...400 V/DC 0...400 V
n
Tolerance of
..............................................................................................................................................................+25 %
n
Frequency range of
................................................................................................................................. DC, 15...460 Hz
n
isoES425_D00214_00_M_XXEN/01.2019
Technical data
Measuring circuit
Measuring voltage
................................................................................................................................................... ±12 V
m
Measuring current
at
= 0 Ω .............................................................................................................................≤ 110 μA
m
F
................................................................................................................................... ≥
Internal resistance
i
Permissible system leakage capacitance
............................................................................................................. ≤ 100 μF
e
Permissible extraneous DC voltage
.......................................................................................................................≤ 700 V
fg
Response values
Response value
.............................................................................................................................. 2...990 kΩ (69 kΩ)*
an1
Response value
.............................................................................................................................. 1...980 kΩ (23 kΩ)*
an2
Relative uncertainty
...................................................................................................................... ±15 %, at least ±1 kΩ
an
Hysteresis
............................................................................................................................................ 25 %, at least 1 kΩ
an
Undervoltage detection U<........................................................................................................................10...499 V (off)*
Overvoltage detection U> ..........................................................................................................................11...500 V (off)*
Relative uncertainty ............................................................................................................................. ±5 %, at least ±5 V
Relative uncertainty depending on the frequency ≥ 400 Hz ............................................................................ -0.015 %/Hz
Hysteresis ................................................................................................................................................... 5 %, at least 5 V
Time response
Response time
at
= 0.5 x
and
=1 μF acc. to IEC 61557-8 ...................................................................... ≤ 10 s
an
F
an
e
Start-up delay ............................................................................................................................................... 0...10 s (0 s)*
Response delay
.......................................................................................................................................... 0...99 s (0 s)*
on
Delay on release
........................................................................................................................................ 0...99 s (0 s)*
off
Displays, memory
Display.............................................................................................................. LC display, multi-functional, not illuminated
Display range measured value insulation resistance (
F
Operating uncertainty
.................................................................................................................... ±15 %, at least ±1 kΩ
F
Display range measured value nominal system voltage (
Operating uncertainty (U) ...................................................................................................................... ±5 %, at least ±5 V
Display range measured value system leakage capacitance at
Operating uncertainty.......................................................................................................................... ±15 %, at least ±2 μF
Password ............................................................................................................................................... off/0...999 (0, off)*
Fault memory alarm messages ................................................................................................................................ on/(off)*
Interface
Interface/protocol ................................................................................................................................. RS-485/BMS, isoData
Baud rate .................................................................................................................BMS (9.6 kbit/s), isoData (115.2 kbits/s)
Cable length (9.6 kbits/s) ....................................................................................................................................... ≤ 1200 m
Cable: twisted pairs, shield connected to PE on one side ....................................................................... min. J-Y(St)Y 2x0.6
Terminating resistor........................................................................................... 120 Ω (0.25 W), internal, can be connected
Device address, BMS bus...................................................................................................................................... 3...90 (3)*
) ................................................................................. 1 kΩ...4 MΩ
).......................................................................... 0...500 V
n
> 10 kΩ ....................................................... 0...105 μF
F
115 kΩ
RMS
21
Need help?
Do you have a question about the ISOMETER isoES425 and is the answer not in the manual?
Questions and answers