⎯
172
⎯
6 F 2 S 0 8 4 6
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 GRZ100 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 LCD will display the "Metering",
"Latest fault" and "Auto-supervision" screens in turn. The last two screens are displayed only
when there is some data. These are the digest screens and can be displayed without entering the
menu screens.
Metering1 08/Dec/1997 22:56
Vab 220.0kV Ia 1.05kA + 370.25MW
Vbc 219.8kV Ib 1.05kA - 30.13MVar
Vca 220.0kV Ic 1.05kA 60.1Hz
Press the RESET key to turn off the LCD.
For any display, the back-light is automatically turned off after five minutes.
Displays in tripping
Latest fault 08/Dec/1997 22:56:38.250
Phase A N Trip A
Z1,CRT
59.3km ( 38%)
If a fault occurs and a tripping command is initiated when the LCD is off, the "Latest fault" screen
is displayed on the LCD automatically and the red "TRIP" LED and, if signals assigned to trigger
by tripping, other configurable LEDs light.
Press the VIEW key to display the digest screens in turn including the "Metering" and
"Auto-supervision" screens.
Press the RESET key to turn off the LEDs and LCD display.
Notes:
1)
When configurable LEDs (LED1 through LED4) are assigned to latch signals by trigger of
tripping, press the
RESET
key more than 3s until the LCD screens relight. Confirm turning off
the configurable LEDs. Refer to Table 4.2.1 Step 1.
2)
Then, press the
RESET
key again on the "Latest fault" screen in short period, confirm turning
off the "TRIP" LED. Refer to Table 4.2.1 Step 2.
3)
When only the "TRIP" LED is go off by pressing the
RESET
key in short period, press the
RESET
key again to reset remained LEDs in the manner 1) on the "Latest fault" screen or other
digest screens. LED1 through LED4 will remain lit in case the assigned signals are still active
state.
Summary of Contents for GRZ100 B Series
Page 264: ... 263 6 F 2 S 0 8 4 6 Appendix A Block Diagram ...
Page 271: ... 270 6 F 2 S 0 8 4 6 ...
Page 272: ... 271 6 F 2 S 0 8 4 6 Appendix B Signal List ...
Page 307: ... 306 6 F 2 S 0 8 4 6 ...
Page 308: ... 307 6 F 2 S 0 8 4 6 Appendix C Variable Timer List ...
Page 310: ... 309 6 F 2 S 0 8 4 6 Appendix D Binary Input Output Default Setting List ...
Page 321: ... 320 6 F 2 S 0 8 4 6 ...
Page 322: ... 321 6 F 2 S 0 8 4 6 Appendix E Details of Relay Menu and LCD Button Operation ...
Page 331: ... 330 6 F 2 S 0 8 4 6 ...
Page 340: ... 339 6 F 2 S 0 8 4 6 Appendix G Typical External Connections ...
Page 377: ... 376 6 F 2 S 0 8 4 6 ...
Page 384: ... 383 6 F 2 S 0 8 4 6 Appendix J Return Repair Form ...
Page 388: ... 387 6 F 2 S 0 8 4 6 Customer Name Company Name Address Telephone No Facsimile No Signature ...
Page 389: ... 388 6 F 2 S 0 8 4 6 ...
Page 390: ... 389 6 F 2 S 0 8 4 6 Appendix K Technical Data ...
Page 401: ... 400 6 F 2 S 0 8 4 6 ...
Page 402: ... 401 6 F 2 S 0 8 4 6 Appendix L Symbols Used in Scheme Logic ...
Page 405: ... 404 6 F 2 S 0 8 4 6 ...
Page 406: ... 405 6 F 2 S 0 8 4 6 Appendix M Example of Setting Calculation ...
Page 417: ... 416 6 F 2 S 0 8 4 6 ...
Page 418: ... 417 6 F 2 S 0 8 4 6 Appendix N IEC60870 5 103 Interoperability and Troubleshooting ...
Page 434: ... 433 6 F 2 S 0 8 4 6 Appendix P Inverse Time Characteristics ...
Page 437: ... 436 6 F 2 S 0 8 4 6 ...
Page 438: ... 437 6 F 2 S 0 8 4 6 Appendix Q Failed Module Tracing and Replacement ...
Page 444: ... 443 6 F 2 S 0 8 4 6 Appendix R Ordering ...
Page 447: ......