Eaton ARCON 2.0 Series, Operation And Configuration Instructions. Technical Description

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3.1.1. Arc fault
Figure: ARCON 2.0 has tripped due to arc fault, light indication I/O unit 1 sensor
Figure: ARC-EP10/2.0 indicates light on channel 1
When the arc protection activates due to arc fault, the alarm relay activates and the trip indi-
cator lights indicate the activated output trip relays.
The display at the master unit shows which arc sensor fi rst gave the light information. This
sensor information is only visible in the RUN mode. If several sensors were activated during
the fault, the other activated sensors can be identifi ed from the arc sensor LEDs (I/O units’
indicator lights). The address of an activated sensor is stored in the fault memory, even if ac-
tivation did not lead to tripping. When the light information is transferred via the BI/O bus, the
source of the light information is not visible on the display.
Figure:Reading and resetting the arc fault memory
To reset the arc fault memory, do the following:
• Press the S button to activate the RUN mode.
• When the sensor address blinks on the display, press the E button.
The fault memory resets automatically two hours after activation.
ARC-EM/2.0
SENSOR INPUTS
1 2 3 4 5 6 7 8 9 10
SENSOR INPUTS
1 2 3 4 5 6 7 8 9 10
X1
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
RUN
S
E
I/O UNIT SENSOR
CLEARING
OF MEMORY