System-disconnection relay EU400 NA-protection
28
Subject to technical changes
12.5 Display mode (last decimal point off)
In the display mode, the EU400 is in its normal state; here, depending on the program, the actual voltage, the
highest actual 10 minute mean value, the frequency or the vector surge is displayed. In addition, the alarm
signals (e.g.
8
aL
8
,
8
aL m
8
) and error codes (e.g.
8
Err9
8
) are displayed.
Function button
Set / Reset
Press briefly: Switches the measurement, alarm counter
Press for > 2 s: Resets after error
(not possible if doF Reset delay is counting down)
Press for > 4 s: Displays the program, e.g.
8
Pr 1
8
Press for > 10 s: Displays the software version, e.g.
8
0-05
8
Function key
Up / Down
Press briefly: Change into the menu mode,
Display alarm counter: Down = Query the memory
Up = Query the cumulative alarm time
Press for ≥ 2 s: Displays MAX and MIN measurements,
additionally
pressing the Set key for ≥ 2 s deletes the saved
values
12.6 Menu mode (last decimal point on)
The menu mode is used to select the menu items. If no key is pressed for 30 s, one automatically returns to
the display mode.
Function button
Set / Reset
Press briefly: Change into the configuration mode
Press for ≥ 2 s: Returns to the display mode (the most recently set values
are then applied)
Function key
Up / Down
Press briefly: Select menu item; changes into the display mode
12.7 Configuration mode
(last decimal point flashes)
In the configuration mode you can set the value of a parameter. The display alternates between the parameter
relation and the currently set value until one of the Up/Down buttons is pressed, which changes the value of
the parameter. If no key is pressed for 2 s the display starts alternating again.
If no key is pressed for 30 s (simulation mode 15 min) one automatically returns to the display mode (the most
recently set value is applied during this)
Function button
Set / Reset
Press briefly: The settings are taken over; continue to next parameter.
Changes into menu mode after the last parameter
Press for ≥ 2 s: Returns to the display mode (the most recently set values are
then applied)
Function key
Up / Down
Press briefly/long: Value change of the parameter (slow/fast)
Hint: Simultaneously pressing the Up and Down keys resets the adjustable value to zero. If the Up or Down
button is kept pressed while setting the value the change in the display is accelerated.
