Operation Of The User Interface - Toshiba GRL100-701B Instruction Manual

4.2 Operation of the User Interface

The user can access such functions as recording, measurement, relay setting and testing with the
LCD display and operation keys.
Note: LCD screens depend on the relay model and the scheme switch setting. Therefore,
LCD screens described in this section are samples of typical model.
4.2.1 LCD and LED Displays
Displays during normal operation
When the GRL100 is operating normally, the green "IN SERVICE" LED is lit and the LCD is
off.
Press the VIEW key when the LCD is off to display the digest screens "Metering1",
"Metering2", "Metering3", "Metering4", "Latest fault" and "Auto-supervision" in turn. The last
two screens are displayed only when there is some data. The following are the digest screens and
can be displayed without entering the menu screens.
M e t e r i n g M e t e r i n g
V a V a
V b V b
V c V c
M e t e r i n g M e t e r i n g
V a V a
V b V b
V c V c
M e t e r i n g
I d
I d
I d
Note: I∗1 and I∗2 are phase currents of remote terminal 1 and remote terminal 2.
M e t e r i n g
+ 4 0 0 . 1 1 M W
−
Press the
RESET
For any display, the back-light is automatically turned off after five minutes.
Displays in tripping
L a t e s t
P h a s e
D I F
4 7 . 3 k m
If a fault occurs and a tripping command is output when the LCD is off, the red "TRIP" LED and
other configurable LED if signals assigned to trigger by tripping.
1 1
1 2 7 . 0 k V 1 2 7 . 0 k V I a I a
1 2 7 . 0 k V 1 2 7 . 0 k V I b I b
1 2 7 . 0 k V 1 2 7 . 0 k V I c I c
1 1
b * 1 * * . * k V . k V I a I a
c 1 * * . * k V * . k V I b I b
a * 1 * * . * k V . k V I c I c
3
a 0 . 0 0 k A I a
b 0 . 0 0 k A I b
c 0 . 0 0 k A I c
4
2 5 . 5 1 M v a r
6 0 . 1 H z
key to turn off the LCD.
f a u l t 1 6 / O c t / 1 9 9 7
A B N
( 5 7 . 1 % )
 189 
1 6 / O c t / 1 9 9 7 1 6 / O c t / 1 9 9 7
2 . 1 0 k
A A
2 . 1 0 k A
A
2 . 1 0 k
1 6 / O c t / 1 9 9 7 1 6 / O c t / 1 9 9 7
b * * . * * k A A
c A
* * . * * k
a A
* * . * * k
1 6 / O c t / 1 9 9 7
I a
1 1 . 0 5 k A
1 A I b
1 . 0 5 k
I c
1 1 . 0 5 k A
1 6 / O c t / 1 9 9 7
1 8 : 1 3 : 4 5 . 1 6 0
T r i p A B C
6 F 2 S 0 8 5 0
1 8 : 1 3 1 8 : 1 3
1 8 : 1 3 1 8 : 1 3
1 8 : 1 3
2 1 . 0 5 k A
2 1 . 0 5 k A
2 1 . 0 5 k A
1 8 : 1 3