Raption
44 Service Manual
The ISOMETER monitors the insulation charging stations for electric vehicles for DC be-
tween 0 and 1100Vdc.
This device protects both DC connectors in the output side. It is measuring constantly
the resistance between positive wire to the ground and negative wire to the ground.
If the resistance value is very low it will generate an alarm as it is needed a high value
to keep the safety.
G
Isolation protection device
Power ON LED: It will be in green if the device is power up. It will be flashing if there is
some connection error.
Alarm LED, “AL1”: Lights when alarm value AL1 has activated or overvoltage alarm
(flashes during connection error).
Alarm LED, “AL2”: Lights when alarm value AL2 has activated or undervoltage alarm
(flashes during connection error).
Alarm 2 advices that resistance value is getting closer to the limit value. It notifies the
Mode 4 board but does not stop the operation of the Charging Station. It is just a warning
It is the Alarm 1 the one that stops Charging Station operation because there is not
enough resistance to ensure the isolation protection.
Operation LEDs
Model for Raption 50 Model for Raption 50 HV, Raption 50 EVO
and Raption 100
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