Commissioning; Commissioning Flow Chart Insulation Fault Monitoring; Commissioning Flow Chart Insulation Faullt Location; (Nur Iso1685Dp) - Bender ISOMETER iso1685D Series Manual

6. Commissioning

6. 1 Commissioning flow chart insulation fault monitoring

System = IT system ?
yes
U < AC 1000/DC 1500 V ?
n
yes
U < AC 2000/DC3 000 V ?
n
Deenergize the installation before
yes
connecting the device
Device connection
(see chapter Connection)
Connect supply voltage
Connect system voltage
The iso1685Dxx successfully
carries out a self test
yes
Use the commissioning wizard to
set the device parameters
(see chapter initial commissioning)
Alarm LEDS activated?
no
Function test with a suitable
resistance between system and
earth. Value: 50% of the response
value Ran2
Alarm LEDs activated?
Alarm relays switched?
yes
Remove resistance
Alarm LEDs extinguished?
Alarm relays switched?
The iso1685Dxx is correctly
connected and functions reliably
21
no iso1685Dxx not suitable
iso1685DP not suitable,
no
check if iso1685D-HV is suitable
no iso1685D-HV not suitable
Connection or device error:
no
Check connections
Preset response value
yes
undershot, possibly adjust
Check connections
no
no
Commissioning

6. 2 Commissioning flow chart insulation faullt location

(only iso1685DP)
Install the insulation fault locator
and the appropriate CTs
Connect the RS-485 interface
(BMS bus) of the EDS with the
iso1685DP
Adress all BMS components.
Set adress 1 for the 1685DP
(Master)
Connect supply voltage
Connect system voltage
iso1685DP successfully
carries out a self test
yes
Shall the factory setting be
retained?
yes
Press the test button of the EDS
yes
Are all CTs recognised correctly
by the EDS
yes
Function test with a suitable
resistance between system and
earth. Value: 50% of the response
value Ran2
Alarm LEDs activated?
Alarm relays switched?
LED "PGH on" of the iso1685DP
is flashing. Insulation fault
location is activated
yes
Is the faulty subcircuit being
recognised correctly?
yes
Shall other connected
CTs be tested?
no
Remove the resistor
Alarm LEDs extinguished?
Alarm relays switched?
Delete alarm messages:
Press reset button at the EDS or
call up the EDS reset in
the EDS menu
The EDS operates properly
and is connected correctly
Make sure that the system is
disconnected from any electrical
source before connecting the device!
Connection or device error:
no
check connections
Change the settings in the EDS device
no
menu, change the EDS parameters of the
iso1685DP
Check the CT wiring
no
no
Set the EDS mode of the iso1685DP
no
to „auto" via the BMS bus or the display
Remove the resistance and select
yes
another location downstream a
measuring transformer where the
insulation fault is to be simulated.
no
iso1685DP_D00272_03_M_XXEN/08.2017