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isoUG425_D00220_00_Q_DEEN / 04.2016
Time response
Response time
t
an
at
R
F
= 0.5 x
R
an
and
C
e
=1 μF acc. to IEC 61557-8 ................................................................ ≤ 1 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)*
Displays, memory
Display..................................................................................................... LC display, multi-functional, not illuminated
Display range measured value insulation resistance (
R
F
) ........................................................................ 1 kΩ…1 MΩ
Operating uncertainty............................................................................................................... ± 15 %, at least ±2 kΩ
Display range measured value nominal system voltage (
U
n
)........ 0…150 V (
R
F
=∞ : 300 V
P
;
R
F
= 0 kΩ : 150 V
P
)
Operating uncertainty
U
DC
........................................................................................................ ± 5 %, at least ± 0.5 V
Operating uncertainty
U
RMS
..................................................................................................... ± 5 %, at least ± 1.5 V
Password....................................................................................................................................... off/0…999 (0, off)*
Fault memory alarm message........................................................................................................................ on / (off)*
Interface
Interface/protocol.................................................................................................RS-485 / BMS, Modbus RTU, isoData
Baud rate .......................................................... BMS (9.6 kBit/s), Modbus RTU (adjustable), isoData (115.2 kBits/s)
Cable length (9.6 kBits/s ................................................................................................................................≤ 1200 m
Cable: twisted pair, shield connected to PE.................................................................................... 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 NO contacts, common terminal 11
Operating principle ............................................................................ N/C operation/N/O operation (N/C operation)*
Electrical endurance, number of cycles ................................................................................................................10000
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
Summary of Contents for ISOMETER isoUG425
Page 18: ......
