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4 relay configuration, Relay configuration – SMA SC 400HE User Manual

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6 External Grid Monitoring Relay

SMA Solar Technology AG

72

SC4-63HE-BE-BEN103280

Operating Manual

6.4 Relay Configuration

Relay is Self-confirming

External Confirmation

Relay self-confirming ON/OFF
ON = relay self-confirming is activated. The relays will
be reset automatically if the error condition is no longer
detected. How the display of the alarm messages is
handled depends on the setting in the
"Self-confirming messages" screen.
OFF = relay self-confirming is deactivated. The relays
are reset by pressing the button.
How the display of the alarm messages is handled
depends on the setting in the
"Self-confirming messages" screen. The following
screens of this function will not be displayed.
Fall-back delay of the relays 0.02 to 99.98
The individual relays are resent when "Self-confirming
relays" is activated and the monitored values have
returned to within the permissible limits plus/minus
hysteresis (in accordance with the monitoring) without
interruption for at least the amount of time configured in
this parameter. If the measured value exceeds/falls
below the tripping value within this time frame, then the
time measurement will be restarted. A fall-back delay
can be configured for the following protective functions.

External confirmation of the relay via the digital
input "Monitor/Remote Confirmation Blocking".
Default: Off
This function is not supported.

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