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EDR-3000
IM02602003E
Before Use
The sensitivity settings for the Maintenance Mode have to be calculated
and programmed into the device (according to Std. NFPA70E).
They are not part of the device by default.
When the Maintenance Mode is enabled and fault current causes its operation, the fault clearing time of the associated
breaker has to be very fast. Calculate the sensitivity setting on the basis of Std. NFPA70E.
Program those sensitivity settings either into a setting group or into Adaptive Parameters.
How to Use the Maintenance Mode
Calculate the sensitivity setting on the basis of Std. NFPA70E. Program those sensitivity settings either into a setting
group or into Adaptive Parameters.
The Maintenance Mode offers two output signals: “Maint Mode activated” and “Maint Mode not activated”.
The »Maint Mode.
ACTIVATED
« signal should be used to:
Switch to another setting group (in case the sensitivity settings are saved within this setting group);
Activate “Adaptive Parameters” (in case the sensitivity settings are saved within these adaptive parameters); and/or
Block or activate dedicated functions.
Please see the Adaptive Parameters section for more details.
The »Maint Mode.
NOT
ACTIVATED
« signal should be used to:
Switch back to the standard setting group when Maintenance Mode should not be used.
For fast access, the Maintenance Mode can be accessed by means of the »Softkey« Maint on the start screen (root) of
the device.
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