
isoPV1685xxx_D00007_05_M_XXEN/02.2020
32
Technical data
11. Technical data
11.1 isoPV1685... data in tabular form
( )* = factory settings
Insulation coordination acc. to IEC 60664-1 IEC 60664-3
Insulation coordination according to IEC 60664-1
Rated voltage............................................................................................................................................................................. DC 1500 V
Rated impulse voltage/pollution degree......................................................................................................................................... 8 kV/2
Voltage ranges
Nominal system voltage
U
n
..................................................................................................................................................DC 0...1500 V
Tolerance of
U
n
........................................................................................................................................................................... DC +6 %
Supply voltage
U
s
(see also device nameplate) .................................................................................................................... DC 18...30 V
Power consumption .......................................................................................................................................................................
≤
7 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
...........................................................................................................
≤
2000 μF (500 μF)*
Response values for insulation monitoring
Response value
R
an1
(alarm 1) .......................................................................................................................... 200 Ω…1 MΩ
(
10
kΩ
)∗
Response value
R
an2
(alarm 2) ............................................................................................................................ 200 Ω…1 MΩ
(
1
kΩ
)∗
Upper limit of the measuring range when set to
C
emax
= 2000 μF ............................................................................................... 50 kΩ
Relative uncertainty (10 kΩ…1 MΩ) (acc. to IEC 61557-8)........................................................................................................ ±15 %
Relative uncertainty (0.2 kΩ…< 10 kΩ) ...................................................................................................................... ±200 Ω
±15 %
Response time
t
an
................................................................................................................................................................... see Page 29
Hysteresis ............................................................................................................................................................................. 25 %, +1 kΩ
isoPV1685P only:
Measuring circuit for insulation fault location (EDS)
Locating current
I
L
DC .................................................................................................................................................................
≤
50 mA
Test cycle/pause ................................................................................................................................................................................ 2/4 s
Number of turns of test winding ........................................................................................................................................................... 10
Displays, memory
LEDs for alarms and operating states ....................................................................................................................... 2x green, 4 x yellow
μSD card (Spec. 2.0) for history memory and log files ..........................................................................................................
≤
32 GByte
Inputs
Digital inputs DigIn1/DigIn2:
High level .................................................................................................................................................................................. 10…30 V
Low level .................................................................................................................................................................................... 0…0.5 V
Serial interfaces
BMS/Modbus:
Interface/protocol ......................................................isoPV1685RTU: RS-485/BMS(Slave)/Modbus RTU (Slave); Protocol switchable
.............................................................................................................................................................. isoPV1685P: RS-485/BMS(Slave)
Connection ........................................................................................................................................................................... terminals A/B
.........................................................................................................................................................................................Shield: terminal S
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 2 x 0.6
Terminating resistor, can be connected (RS-485 Term.) .................................................................................................. 120 Ω (0.5 W)
Device address, BMS bus or Modbus adjustable (DIP switch) ....................................................................isoPV1685RTU: 2…17 ( 2)*
Devices address, BMS bus adjustable (DIP switch) ......................................................................................... isoPV1685P: 2…33 ( 2)*
CAN:
Protocol ........................................................................................................................................ acc. to SMA/Bender specification V2.5
Frame format .................................................................................................................................................. CAN 2.0A 11-bit identifier
Baud rate.................................................................................................................................................................................... 500 kBit/s
Connection via 2 x RJ45 acc. to CiA-303-1 connected in parallel....................................................................................... Pin 1: CAN-H
................................................................................................................................................................................................ Pin 2: CAN-L
....................................................................................................................................................................................... Pin 3, 7: CAN-GND
CAN identifier permanently set acc. to the specification above
Cable length .................................................................................................................................................................................≤ 130 m
Shielded cable.......................................................................................................................................................... CAT 5 with RJ45 plug
Terminating resistor, can be connected (Term. CAN) ....................................................................................................... 120 Ω (0.5 W)
Potential of the socket housing........................................................................................................................ functional earth potential
Switching elements
Switching elements................................................................................................................................................3 changeover contacts
........................................................................................................................................................................K1 (insulation fault alarm 1)
........................................................................................................................................................................K2 (insulation fault alarm 2)
.......................................................................................................................................................................................... K3 (device error)
Operating principle K1, K2 ........................................................................................ N/C operation or N/O operation (N/C operation)*
Operating principle K3 ...................................................................................................................... N/C operation, cannot be changed
Contact data acc. to IEC 60947-5-1:
Utilisation category .................................................................................................. ....... AC 13.......... 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............ 3 A............... 1 A ............... 0.2 A...... 0.1 A
Minimum contact rating .......................................................................................... ........................................1 mA at AC/DC ≥ 10 V
For UL application:
Utilisation category for AC control circuits with 50/60 Hz (Pilot duty) ............................................................................................ B300
AC load of the alarm relay outputs.............................................................................. AC 240 V, 1.5 A in case of a power factor of 0.35
AC load of the alarm relay outputs................................................................................. AC 120 V, 3 A in case of a power factor of 0.35
AC load of the alarm relay outputs .................................................................... AC 250 V, 8 A in case of a power factor of 0.75 to 0.80
DC load of the alarm relay outputs..................................................................................................... DC 30 V, 8 A in case of ohmic load