Safety instructions
18
IRDH275_D00122_02_M_XXEN/10.2016
The devices, variant -4.. are delivered with the following factory
setting:
Please check if the basic setting of the ISOMETER® complies with the require-
ments of the system to be monitored.
ISO SETUP:
Alarm 1 / Alarm 2
(response values)
=40 kΩ / 10 kΩ
ISO SETUP:
Operating principle K1/K2 = N/O operation
ISO SETUP:
Memory = off
ISO ADVANCED:
System leakage capacitance = 150 μF
COM SETUP:
Bus address = 3 (slave)
Prevent measurement errors!
When an AC system being monitored contains galvanically
coupled DC circuits, take into consideration that: an
insulation fault can only be detected correctly when the
rectifier valves carry a minimum current of 5…10 mA.
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