LINETRAXX® RCM420
5 Parameter settings
An example is given here on how to change the alarm response value I1 (I
Δn1
). It is presumed that the option
overcurrent (HI) has been selected in the SEt/I 12 menu (factory setting). Proceed as follows:
1. Press the MENU/Enter key for more than 1.5 seconds. The flashing short symbol AL appears on the display.
2. Confirm with Enter. The parameter response value > I2 flashes, in addition the associated overcurrent
value > 30 mA appears.
3. Use the Down key to select the parameter response value I1. The parameter > I1 flashes, in addition the
associated percentage value for prewarning 50 % of I2 appears.
4. Confirm with Enter. The current value for prewarning appears on the flashing display.
5. Use the Up or Down key to set the appropriate prewarning value. Confirm with Enter. I1 flashes.
6. You can exit the menu by:
– pressing the Enter key for more than 1.5 seconds or
– selecting the menu item ESC and confirming with Enter
to reach the next higher level.
The currently active segments are flashing! In the figures below, the segments where device settings can be
carried out are highlighted by an oval. The menu mode can be reached by pressing the MENU key for more
than 1.5 seconds.
5.1 Response value setting for overcurrent
Increasing the response value I2 (main alarm overcurrent I
Δn2
)
Increasing the response value I1 (prewarning overcurrent I
Δn1
)
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