Digital Overcurrent & Ground Overvoltage & Selective Ground Relay (GDR-AEF01) User's Manual
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Kyongbo Electronics Co., Ltd.
Category
Range
Setting Unit
Default
Value
Description
CURVE
OFF, DT, NI
-
DT
Set OFF, instantaneous
time, definite time
Vo PICK-UP
5 ~ 100V
1V
60V
Zero-sequence voltage
Pickup value
Io PICK-UP
0.9 ~ 10.0
㎃
0.1
㎃
1
㎃
Zero-sequence current
Pickup value
REF-PHASE
0° ~ 60°
1°
45°
Base Phase Angle
T-DIAL
0.1 ~ 10.0
0.1
-
Set Time Ratio
DT-TIME
0.04 ~ 60.00Sec
0.01Sec
0.04Sec
Set the time of definite
time
【
Table 6.5
】
SGR Menu
6.2.3
Self-Diagnosis Screen
This menu displays the result of the self-diagnosis function for each diagnosis
category.
Diagnosis categories are control power, CPU WatchDog Timer, memory, and setting
value, and if a fault occurs for each category, "FAIL" is displayed, and "System Error!"
is displayed in the default LCD screen instead of "System OK!", and Error LED is
lighted red.
Self-Diagnosis Screen is as follows.
1
.
P o w e
r
F a
i
l
:
F A I L *
2
.
C P U
W a
t
c
h d o g
:
O K
3
. M e m o
r y
:
O K
4
.
S e
t
t
i
n g
:
O K
Press
Key in self-diagnosis screen, then it will exit this menu and convert to the
upper menu.
6.2.4
RS-485 Comm. Setting
It is a category to set the communication setting, and it can set Baudrate and
Slave Addr.
Selecting(
) 4. RS-485 Comm. category in Setting will display the following screen.
