iso1685DP_D00272_02_M_XXEN/07.2017
54
Technical data
15. Technical data
15.1 Tabular data iso1685DP
( )* = Factory settings
Insulation coordination acc. to IEC 60664-1/IEC 60664-3
Insulation coordination according to IEC 60664-1
Rated voltage.............................................................................................................................................................................. DC 1500 V
Overvoltage category (OVC)..................................................................................................................................................................... III
Rated impulse withstand voltage ...................................................................................................................................................... 8 kV
Rated insulation voltage...................................................................................................................................................................1500 V
Pollution degree exterior.......................................................................................................................................................................... 3
Voltage test, routine test (IEC 61010-1) ......................................................................................................................................... 2.2 kV
Voltage ranges
Nominal system voltage range
U
n
........................................................................................................ AC 0…1000 V/DC 0…1500 V
Tolerance of
U
n
.........................................................................................................................................................AC +10 %/DC +5 %
Frequency range of
U
n
..................................................................................................................................................... DC, 1…460 Hz
Supply voltage
U
s
(see also device nameplate) ................................................................................................................. DC 18…30 V
Frequency range of
U
s
........................................................................................................................................................................... DC
Power consumption .......................................................................................................................................................................
≤
9 W
Measuring circuit for insulation monitoring
Measuring voltage
U
m
(peak value) ............................................................................................................................................... ±50 V
Measuring current
I
m
(at
R
F
= 0 Ω) ...........................................................................................................................................
≤
1.5 mA
Internal DC resistance
R
i
...............................................................................................................................................................
≥
70 kΩ
Impedance
Z
i
at 50 Hz..................................................................................................................................................................
≥
70 kΩ
Permissible extraneous DC voltage
U
fg
.................................................................................................................................
≤
DC 1500 V
Permissible system leakage capacitance
C
e
.......................................................................................... profile dependent, 0…2000 μF
Measuring range leakage capacitance ................................................................................................................................20…2000 μF
Tolerance measurement of
C
e
........................................................................................................................................... ±10 % ±10 μF
Frequency range measurement of
C
e
............................................................................................................................ DC, 30…460 Hz
Response values for insulation monitoring
Response value
R
an1
(alarm 1) .......................................................................................................................... 200 Ω…1 MΩ
(
40
kΩ
)∗
Response value
R
an2
(alarm 2) .......................................................................................................................... 200 Ω…1 MΩ
(
10
kΩ
)∗
Condition response value
........................................................................................................................................................R
an1
≥
R
an2
Upper limit of the measuring range when set to
C
emax
= 2000 μF ............................................................................................... 50 kΩ
Upper limit of the measuring range when set to
C
emax
= 500 μF ................................................................................................ 200 kΩ
Relative uncertainty (10 kΩ…1 MΩ) (acc. to IEC 61557-8)........................................................................................................ ±15 %
Relative uncertainty (0.2 kΩ…< 10 kΩ) ...................................................................................................................... ±200 Ω
±15 %
Hysteresis........................................................................................................................................................................................... 25 %
Time response
Response time
t
an
at
R
F
= 0.5 x
R
an
(
R
an
= 10 kΩ) and
C
e
= 1 μF acc. to IEC 61557-8 ...........................................................................
profile dependent, typ. 10 s
Measuring circuit for insulation fault location (EDS)
Locating current
I
L
DC .................................................................................................................................................................
≤
50 mA
Test cycle/pause .............................................................................................................................................................................. 2 s/4 s
Indication
Display................................................................................................................................. graphic display 127 x 127 pixel, 40 x 40 mm
Display range measured value ........................................................................................................................................ 0.2 kΩ…50 MΩ
LEDs
ON (operation LED)............................................................................................................................................................................ green
PGH ON..............................................................................................................................................................................................yellow
SERVICE .............................................................................................................................................................................................yellow
ALARM 1 ...........................................................................................................................................................................................yellow
ALARM 2 ...........................................................................................................................................................................................yellow
Digital inputs
Operating mode, adjustable................................................................................................................................... active high, active low
Functions.....................................................................................................none, test, reset, deactivate device, insulation fault location
High level ................................................................................................................................................................................. 10…30 V
Low level .................................................................................................................................................................................... 0…0.5 V
Serial interface
Interface/protocol ................................................................................................................................................................. RS-485/BMS
Connection ............................................................................................................................................................................ terminals A/B
Cable length .............................................................................................................................................................................. ≤ 1200 m
Shielded cable (shield to functional earth on one end) ............................................................... 2-core,
³
0.6 mm
2
, e.g. J-Y(St)Y2x0.6
Shield.......................................................................................................................................................................................... terminal S
Terminating resistor, can be connected (Term. RS-485) .................................................................................................. 120 Ω (0.5 W)
Device address, BMS bus ................................................................................................................................................ (1) 2…90 ( 2)*
Содержание ISOMETER iso1685DP
Страница 55: ......