6 Functions and settings
Maschinenfabrik Reinhausen 2014 712374092/04 EN TAPCON® 260
Setting undervoltage V< in V/kV
You can use this parameter to set the limit value as an absolute value in V or
kV units. If you use the key to change the display to kV, this value re-
lates to the primary transformer voltage. If you change the display to V, this
relates to the secondary voltage.
If you want to use the set absolute values as the limit value, go to Absolute
limit values and activate the On selection.
To set the absolute limit value for undervoltage V<, proceed as follows:
1. > Parameter > Limit values > Press until the desired
parameter is displayed.
2. If necessary press to select the unit you want, "V" or "kV".
3. Press to increase the value or to reduce it.
4. Press .
ð The limit value is set.
Setting signaling delay time for undervoltage V<
You can use this parameter to set the delay time after which the Undervolt-
age relay is to activate and the event message appear on the display. This
can be used to prevent messages from being issued when the value briefly
falls below the limit value. The undervoltage LED always lights up immedi-
ately regardless.
To set the delay time for this message, proceed as follows:
1. > Parameter > Limit values > Press until the desired
parameter is displayed.
2. Press to highlight the position.
ð The desired position is highlighted and the value can be changed.
3. Press to increase the time or to reduce it.
4. Press .
ð The signaling delay time for undervoltage V< is set.
Activating/deactivating undervoltage blocking
You can use this parameter to set how the device behaves if the voltage falls
below the undervoltage limit. You can select the following options:
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