iso1685P_D00003_01_M_XXEN / 12.2016
21
Commissioning
6. Commissioning
6.1 Commissioning flow chart insulation fault monitoring
System = IT system ?
Device connection
Un < AC1000 / DC1500 V ?
iso1685P not suitable
no
Deenergize the installation before
connecting the device
E and KE to PE
System to L1/+, L2/-
Optional Device connection
BMS bus to A, B, S
Supply voltage to A1/A2
Message periphery to K1, K2, K3
11-12-14, 21-22-24, 31-32-34
Connect supply voltage
Connect system voltage
no
yes
yes
yes
iso1685P not suitable
Check connection
or device error
Shall the factory setting
be retained?
no
yes
Carry out settings via the
BMS bus
Alarm LEDs activated?
no
yes
Preset response value
undershot, possibly adjust
Function test with a suitable
resistance between system and
earth. Value: 50% of the response
value Ran2
Alarm LEDs activated?
Alarm relays switched?
yes
no
Check connections
Remove resistance
The iso1685P is correctly
connected and functions reliably
Alarm LEDs extinguished?
Alarm relays switched?
no
The iso1685P successfully
carries out a self test
yes
no
6.2 Commissioning flow chart insulation fault location
Install the Insulation fault
locator EDS46x /49x and the
appropriate CTs
Connect the RS-485 interface
(BMS bus) of the EDS46x /49x
to the iso1685P
Address all BMS
components, a bus master
with address 1 is required
Connect supply voltage
Connect system voltage
iso1685P successfully
carries out a self test
Function test with a suitable
resistance between system and
earth. Value: 50% of the response
value Ran2
Alarm LEDs activated?
Alarm relays switched?
yes
no
Set the EDS mode of the iso1685P
to „auto“ via the BMS bus
Press the test button of the
EDS
46x / 49x
Is the faulty subcircuit being
recognised correctly:
ADR:xx k:xx xxmA
yes
Shall other connected
CTs be tested?
Are all CTs recognised correctly
from EDS46x / 49x ?
no
Check the CT wiring
yes
no
yes
Remove resistor and select another circuit
downstream a measuring current
transformer
LED "PGH on" of the iso1685P
is flashing. Insulation fault
location is activated
Shall the factory setting be
retained?
yes
no
Change the settings in the EDS device menu,
change the EDS parameters of the iso1685P
yes
no
Connection or device error:
check connections
yes
Remove the resistor
Alarm LEDs extinguished?
Alarm relays switched?
Delete alarm messages:
Press reset button at the EDS46x
/49x or call up the EDS reset in
the EDS46x /49x menu
no
no
The EDS... operates properly
and is connected correctly
Make sure that the system is
disconnected from any electrical
source before connecting the device!
