⎯
162
⎯
6 F 2 S 0 8 4 6
Table 3.3.6.1 Supervision Items and Alarms
Supervision item
LCD message LED
"IN SERVICE"
LED
"ALARM"
External
alarm
Event record
message
AC input imbalance
monitoring Vo, V2, Io
(1) on/off
(5) on (4)
V0 err / V2 err /
I0 err
CT circuit monitoring
(1)
on/off (6)
on
(4)
CT err
A/D accuracy check
A/D err
off
on
(3)
Relay fail
Memory monitoring
(1)
Watch Dog Timer
⎯
off on (3)
⎯
DC supply monitoring
⎯
off (2) (3)
Relay
fail-A
Signal channel monitoring Ch-R1. fail (7)
on
--
(4)
Ch-R1. fail
Disconnector monitoring
DS fail
on
on
(4)
DS fail
VT monitoring
VT fail
on
on
(4)
VTF
(1) There are various messages such as "
xxx
err" and "
xxx
fail "as shown in the table in Section 6.7.2.
(2) It depends on the degree of voltage drop.
(3) The binary output relay "FAIL" operates.
(4) The binary output relay "FAIL", etc. operates if the supervision function is applied.
(5) The LED is on when the scheme switch [SVCNT] is set to "ALM" and off when set to "ALM &
BLK".
(6) The LED is on when the scheme switch [CTSV] is set to "ALM" and off when set to "ALM & BLK".
(7) It is displayed only when manual testing.
3.3.7 Trip
Blocking
When a failure is detected by the following supervision items, the trip function is blocked as long
as the failure exists and is restored when the failure is removed:
•
A/D accuracy checking
•
Memory
monitoring
•
Watch Dog Timer
•
DC supply monitoring
The trip function is valid when a failure is detected by tripping output monitoring or disconnector
monitoring.
When a failure is detected by AC input imbalance monitoring or CT circuit current monitoring, the
scheme switch [SVCNT] or [CTSV] setting can be used to determine if both tripping is blocked
and an alarm is output, or, if only an alarm is output. The CT circuit current monitoring can be
disabled by the [CTSV].
3.3.8 Setting
The setting elements necessary for the automatic supervision and their setting ranges are shown in
the table below.
Element Range
Step Default
Remarks
[LSSV] OFF/ON
OFF
Disconnector
monitoring
[SVCNT] ALM&BLK/ALM
ALM&BLK
Alarming and/or blocking selection
[CHMON] OFF/ON
ON
Carrier
monitoring/testing
Chann
1-24 hours
1 hour
8 hours
Signal channel testing interval
[CTSV]
OFF/ALM&BLK/ALM
OFF
CT circuit monitoring
Содержание GRZ100 B Series
Страница 264: ... 263 6 F 2 S 0 8 4 6 Appendix A Block Diagram ...
Страница 271: ... 270 6 F 2 S 0 8 4 6 ...
Страница 272: ... 271 6 F 2 S 0 8 4 6 Appendix B Signal List ...
Страница 307: ... 306 6 F 2 S 0 8 4 6 ...
Страница 308: ... 307 6 F 2 S 0 8 4 6 Appendix C Variable Timer List ...
Страница 310: ... 309 6 F 2 S 0 8 4 6 Appendix D Binary Input Output Default Setting List ...
Страница 321: ... 320 6 F 2 S 0 8 4 6 ...
Страница 322: ... 321 6 F 2 S 0 8 4 6 Appendix E Details of Relay Menu and LCD Button Operation ...
Страница 331: ... 330 6 F 2 S 0 8 4 6 ...
Страница 340: ... 339 6 F 2 S 0 8 4 6 Appendix G Typical External Connections ...
Страница 377: ... 376 6 F 2 S 0 8 4 6 ...
Страница 384: ... 383 6 F 2 S 0 8 4 6 Appendix J Return Repair Form ...
Страница 388: ... 387 6 F 2 S 0 8 4 6 Customer Name Company Name Address Telephone No Facsimile No Signature ...
Страница 389: ... 388 6 F 2 S 0 8 4 6 ...
Страница 390: ... 389 6 F 2 S 0 8 4 6 Appendix K Technical Data ...
Страница 401: ... 400 6 F 2 S 0 8 4 6 ...
Страница 402: ... 401 6 F 2 S 0 8 4 6 Appendix L Symbols Used in Scheme Logic ...
Страница 405: ... 404 6 F 2 S 0 8 4 6 ...
Страница 406: ... 405 6 F 2 S 0 8 4 6 Appendix M Example of Setting Calculation ...
Страница 417: ... 416 6 F 2 S 0 8 4 6 ...
Страница 418: ... 417 6 F 2 S 0 8 4 6 Appendix N IEC60870 5 103 Interoperability and Troubleshooting ...
Страница 430: ... 429 6 F 2 S 0 8 4 6 Appendix O Programmable Reset Characteristics and Implementation of Thermal Model to IEC60255 8 ...
Страница 434: ... 433 6 F 2 S 0 8 4 6 Appendix P Inverse Time Characteristics ...
Страница 437: ... 436 6 F 2 S 0 8 4 6 ...
Страница 438: ... 437 6 F 2 S 0 8 4 6 Appendix Q Failed Module Tracing and Replacement ...
Страница 444: ... 443 6 F 2 S 0 8 4 6 Appendix R Ordering ...
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