Technical data
63
isoMIL425_D00203_03_M_XXEN/03.2019
Displays, memory
Display..................................................................................................... LC display, multi-functional, not illuminated
Display range measured value insulation resistance (R
F
) ........................................................................ 1 kΩ…4 MΩ
Display range measured value impedance (
Z
F
) with f
n
= 50 / 60 Hz..................................................... 1 kΩ…1 MΩ
Operating uncertainty (
R
F
in R mode,
Z
F
in Z mode)............................................................... ± 15 %, at least ±1 kΩ
Display range measured value nominal system voltage (
U
n
) ............................................................... 0…500 V
RMS
Operating uncertainty.................................................................................................................. ± 5 %, at least ± 5 V
Display range measured value system leakage capacitance of
R
F
> 10 kΩ .............................................. 0…300 μF
Operating uncertainty............................................................................................................... ± 15 %, at least ± 2 μF
Display range measured value system leakage capacitance of
Z
F
> 10 kΩ ............................................. 1 nF…1 μF
Operating uncertainty (
Z
F
≈
X
c
)............................................................................................... ± 15 %, at least ± 2 nF
Password ...................................................................................................................................... off/0…999 (0, off)*
Fault memory alarm messages ....................................................................................................................... on/(off)*
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 2x0.6
Terminating resistor.................................................................................. 120 Ω (0,25 W), internal, can be connected
Device address, BMS bus, Modbus RTU ..................................................................................................... 3…90 (3)*
Switching elements
Switching elements...................................................................................... 2 x 1 N/O contacts, common terminal 11
Operating principle ............................................................................ N/C operation/N/O operation (N/O operation)*
Electrical endurance, number of cycles .............................................................................................................. 10,000
Contact data acc. to IEC 60947-5-1:
Utilisation category.............................................................. AC-12..........AC-14 ..........DC-12 ..........DC-12 ....... DC-12
Rated operational voltage .....................................................230 V...........230 V.............24 V.......... 110 V........ 220 V
Rated operational current ........................................................ 5 A...............2 A ...............1 A ........... 0.2 A ......... 0.1 A
Minimum contact rating ............................................................................................................ 1 mA at AC/DC
≥
10 V
