Technical data
83
isoxx1685Dx-x25_D00272_07_M_XXEN/09.2022
Time response
Response time t
an
at R
F
= 0.5 x R
an
(R
an
= 10 kΩ) and C
e
= 1 F acc. to IEC 61557-8 ............... profile-dependent, typ. 10 s
Measuring circuit for insulation fault location (EDS) (isoxx1685DP)
Locating current I
L
DC ......................................................................................................... ≤ 50 mA (1/2,5/5/10/25/50 mA)
Test cycle/pause ............................................................................................................................................................... 2 s/4 s
Display
Display...................................................................................................................Graphic display 127 x 127 pixel, 40 x 40 mm
Display range measured value ..........................................................................................................................200 Ω…50 MΩ
Display range measured value isoLR1685DP.........................................................................................................20 Ω…1 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..........................................................................................off, 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/Modbus RTU
Connection..............................................................................................................................................................terminals A/B
Cable length ................................................................................................................................................................ ≤ 1200 m
Shielded cable (shield to functional earth on one end) ............................................. 2-core, ≥ 0.6 mm
2
, e.g. J-Y(St)Y 2x0.6
Shield ........................................................................................................................................................................... terminal S
Terminating resistor, can be connected (Term. RS-485).................................................................................... 120 Ω (0.5 W)
Device address, BMS bus ................................................................................................................................. (1) 2…90 ( 2)*
Device address, Modbus RTU ............................................................................................................................................1 - 247
Baud rate...................................................................................................................................9.6 / 19.2 / 38.4 / 57.6 / 115 kB
Parity ..............................................................................................................................................................................even/odd
Stop bits ......................................................................................................................................................................1 / 2 / auto
Connection (except mains connection)
Connection type........................................................................................................................ pluggable push-wire terminals
Connection, rigid/flexible....................................................................................................... 0.2…2.5 mm
2
/0.2…2.5 mm
2
Connection, flexible with ferrule, without/with plastic sleeve.......................................................................... 0.25...2.5 mm
2
Conductor sizes (AWG) .................................................................................................................................................. 24…12
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