24
RGU-10, RGU-10C
Instruction Manual
with the fault, the status is NC.
RESET PRE-ALARM
, This allows the automatic re-establishment of the pre-alarm sig-
nal to be enabled.
In Automatic Mode (REC), if the detected leakage current is below the preset pre-alarm
threshold, the relay becomes de-activated.
In manual mode, the device has to be RESET from the alarm screen in order to re-es-
tablish the pre-alarm system.
4.5.- DISPLAY
The device has a backlit display with green or red light, depending on the state of the device.
The background to the screen in normal mode is green. The parameters required for earth
leakage protection, sensitivity and delay in its associated units are displayed. It also displays
the current leakage current.
If the device trips through any event, the screen’s background changes to red and the reason
for the trip is displayed.
Figure 15: Display RGU-10�
Display messages by device trip,
Table 7
.
Table 7: Display messages by device trip
Message
Cause of trip
TESt
Test
ERRt
Poor toroid connection
EXT
Remote signal ON/OFF
REM
RS-485 Communications
Instant value
Current leakage
Other display messages,
Table 8
.
Table 8: Other display messages�
Message
Description
SAVE
Validate configuration values
EXIT
Exits programming mode
OVR
Current leakage reading off scale
Summary of Contents for RGU-10
Page 1: ...INSTRUCTION MANUAL Electronic earth leakage protection relay RGU 10 RGU 10C M98203201 03 18A ...
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Page 43: ...43 Instruction Manual RGU 10 RGU 10C 10 CE CERTIFICATE ...
Page 44: ...44 RGU 10 RGU 10C Instruction Manual ...