Commissioning and Maintenance
P12x/EN CM/A96
MiCOM P120/P121/P122/P123
Page 15/18
5. MAINTENANCE
5.1 Equipment
failure
MiCOM P120, P121, P122
and
P123
relays are full digital and self-diagnosing. As soon as
an internal fault is detected, depending on its type (minor or major), an alarm message is
displayed as a priority on the front panel LCD before the fault LED is illuminated (fixed or
flashing) and the watchdog relay is closed (if the fault is a major one).
An equipment failure (major or minor) cannot be acknowledged on the front panel (using the
dedicated tactile button keypad). Only the disappearance of the cause will acknowledge the
fault and hence reset the fault LED.
All tests are performed during relay boot and permanently in the background software task
excepted volatile memory tests performed only when relay boots and on any setting change.
5.1.1 Minor
fault
Regarded by the
MiCOM P120, P121, P122
and
P123
relays as a minor fault is a
communication failure. If the communication is in fault,
MiCOM P120, P121, P122
and
P123
protection and automation modules are not affected. The MiCOM relay is fully operational.
The watchdog relay is energised (35-36 contact open and 36-37 contact closed).
Message:
"COMM.ERROR": Communication fault
Cause:
Hardware or software failure of the communication module
Action:
Withdraw the active part and return it to the factory for repair.
Alternative:
If communication is not used, disable communication in the COMMUNICATION
menu (Communication ? = No).
5.1.2 Major
fault
Major fault for
MiCOM P120, P121, P122
and
P123
relays are all software and hardware
failures except the communication faults. As soon as this type of failure is detected, the
watchdog (WD) is de-energised (35-36 contact closed and 36-37 contact open) and all
operations are stopped (protection, automation, communication).
Содержание MiCom P120
Страница 1: ...MiCOM P120 P121 P122 P123 Overcurrent Relays Version 11 Technical Guide P12X EN T A96...
Страница 2: ......
Страница 4: ...P12x EN T A96 Technical Guide Contents Page 2 2 MiCOM P120 P121 P122 P123 BLANK PAGE...
Страница 13: ...Introduction P12x EN IT A96 MiCOM P120 P121 P122 P123 INTRODUCTION...
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Страница 16: ...P12x EN IT A96 Introduction Page 2 8 MiCOM P120 P121 P122 P123 BLANK PAGE...
Страница 22: ...P12x EN IT A96 Introduction Page 8 8 MiCOM P120 P121 P122 P123 BLANK PAGE...
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Страница 26: ...P12x EN IN A96 Handling Installation and Case Dimensions Page 2 10 MiCOM P120 P121 P122 P123 BLANK PAGE...
Страница 35: ...User Guide P12x EN FT A96 MiCOM P120 P121 P122 P123 USER GUIDE...
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Страница 40: ...P12x EN FT A96 User Guide Page 4 72 MiCOM P120 P121 P122 P123 BLANK PAGE...
Страница 108: ...P12x EN FT A96 User Guide Page 72 72 MiCOM P120 P121 P122 P123 BLANK PAGE...
Страница 109: ...Menu Content Tables P12x EN HI A96 MiCOM P120 P121 P122 P123 MENU CONTENT TABLES...
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Страница 112: ...P12x EN HI A96 Menu Content Tables Page 2 68 MiCOM P120 P121 P122 P123 BLANK PAGE...
Страница 179: ...Technical Data P12x EN TD A96 MiCOM P120 P121 P122 P123 TECHNICAL DATA AND CHARACTERISTIC CURVES...
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Страница 221: ...Application Guide P12x EN AP A96 MiCOM P120 P121 P122 P123 APPLICATION GUIDE...
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Страница 226: ...P12x EN AP A96 Application Guide Page 4 80 MiCOM P120 P121 P122 P123 BLANK PAGE...
Страница 302: ...P12x EN AP A96 Application Guide Page 80 80 MiCOM P120 P121 P122 P123 BLANK PAGE...
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Страница 305: ...Communications P12x EN CT A96 MiCOM P120 P121 P122 P123 MODBUS DATABASE MiCOM P120 P121 P122 P123 VERSION V11 A...
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Страница 367: ...Communications P12x EN CT A96 MiCOM P120 P121 P122 P123 COURIER DATABASE MiCOM P120 P121 P122 P123 VERSION V11 A...
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Страница 370: ...P12x EN CT A96 Communications COURIER DATABASE Page 2 248 MiCOM P120 P121 P122 P123 BLANK PAGE...
Страница 514: ...P12x EN CT A96 Communications COURIER DATABASE Page 146 248 MiCOM P120 P121 P122 P123...
Страница 515: ...Communications P12x EN CT A96 MiCOM P120 P121 P122 P123 IEC 60870 5 103 MiCOM P120 P121 P122 P123 VERSION V11 A...
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Страница 518: ...P12x EN CT A96 Communications IIEC 60870 5 103 Page 2 248 MiCOM P120 P121 P122 P123 BLANK PAGE...
Страница 536: ...P12x EN CT A96 Communications IEC 60870 5 103 Page 20 248 MiCOM P120 P121 P122 P123...
Страница 537: ...Communications P12x EN CT A96 MiCOM P120 P121 P122 P123 DNP 3 0 DATABASE MiCOM P120 P121 P122 P123 VERSION V11 A...
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Страница 540: ...P12x EN CT A96 Communications DNP 3 0 Database Page 2 248 MiCOM P120 P121 P122 P123 BLANK PAGE...
Страница 553: ...Commissioning and Maintenance P12x EN CM A96 MiCOM P120 P121 P122 P123 COMMISSIONING AND MAINTENANCE GUIDE...
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Страница 573: ...Connection Diagrams P12x EN CO A96 MiCOM P120 P121 P122 P123 CONNECTION DIAGRAMS...
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Страница 579: ...Commissioning Test Record Sheets P12x EN RS A96 MiCOM P120 P121 P122 P123 COMMISSIONING TEST RECORD SHEETS...
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Страница 582: ...P12x EN RS A96 Commissioning Test Record Sheets Page 2 60 MiCOM P120 P121 P122 P123 BLANK PAGE...
Страница 640: ...P12x EN RS A96 Commissioning Test Record Sheets Page 60 60 MiCOM P120 P121 P122 P123 BLANK PAGE...
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Страница 644: ...P12x EN VC A96 Hardware Software Version History and Compatibility Page 2 26 MiCOM P120 P121 P122 P123 BLANK PAGE...
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