Function
18
RCMA423AS_D00157_01_M_XXEN/08.2016
If the residual current fault does not continue to exist, an alarm will not be
signalled.
Delay on release
t
off
When no alarm exists after deactivating the fault memory, the alarm LEDs go
out and the alarm relays switch back to their initial position. After activating
the delay on release, the alarm state is continuously maintained for the selec-
ted period.
3.2.9
Residual current monitoring in window discriminator
mode
Change the measuring principle by selecting the window mode (SEt / In). In
the window discriminator mode, the threshold values I1 and I2 represent the
upper and the lower value. If the measured value is not within this area, an
alarm is initiated by the device. See page 35.
3.2.10 Password protection
(on, OFF)
When the password protection is activated (on), settings are only possible
after entering the correct password (0…999).
3.2.11 Factory setting FAC
After activating the factory setting, all settings previously changed are reset to
delivery status.
3.2.12 Erasable history memory
The first alarm value that occurs will be saved in this memory. The memory can
be cleared via the menu HiS.
3.2.13 External, combined test/reset button T/R
Reset
= Pressing the external button < 1.5 s
Test
= Pressing the external button > 1.5 s
