GE C70 Instruction Manual page 495
Capacitor bank protection
and control system
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Also See for C70:
- Instruction manual (708 pages) ,
- Communications manual (532 pages) ,
- Communications manual (526 pages)
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CHAPTER 7: COMMANDS AND TARGETS
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Latched target message: No.
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Description of problem: Any device settings were changed over any available interface.
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How often the test is performed: On any setting changes, when new settings were written to device.
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What to do: Verify that the setting change was legitimate and essential for proper functioning of the protection and
control system.
DIRECT I/O FAILURE:
COMM Path Incomplete
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Latched target message: No.
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Description of problem: A direct device is configured but not connected.
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How often the test is performed: Every second.
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What to do: Check direct input and output configuration and wiring.
RxGOOSE FAIL:
Missing messages
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Latched target message: No.
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Description of problem: One or more RxGOOSE messages are not being received.
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How often the test is performed: The self-test is activated when no message is received within the expected time
interval, which is the time-to-live time in the previous message. This time can be from milliseconds to minutes.
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What to do: Check GOOSE setup.
TEMP MONITOR:
OVER TEMPERATURE
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Latched target message: Yes.
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Description of problem: The ambient temperature is greater than the maximum operating temperature (+80°C).
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How often the test is performed: Every hour.
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What to do: Remove the C70 from service and install in a location that meets operating temperature standards.
UNEXPECTED RESTART:
Press "RESET" key
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Latched target message: Yes.
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Description of problem: Abnormal restart from modules being removed or inserted while the C70 is powered-up, when
there is an abnormal DC supply, or as a result of internal relay failure.
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How often the test is performed: Event driven.
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What to do: Contact the factory.
FIRST ETHERNET FAIL
SECOND ETHERNET FAIL
THIRD ETHERNET FAIL
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Latched target message: Yes.
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Description of problem: A link loss detection on an Ethernet port. The link loss is due to unplugging the cable or the
switch port being down.
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How often the test is performed:
C70 CAPACITOR BANK PROTECTION AND CONTROL SYSTEM – INSTRUCTION MANUAL
TARGETS MENU
7
7-13
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