GE D60 Instruction Manual page 614
Line distance protection system
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Also See for D60:
- Instruction manual (826 pages) ,
- Communications manual (532 pages) ,
- Instruction manual (490 pages)
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TARGETS MENU
MAINTENANCE ALERT:
SNTP Failure
•
Latched target message: No.
•
Description of problem: The SNTP server is not responding.
•
How often the test is performed: Every 10 to 60 seconds.
•
What to do: Check that Ethernet cable(s) are properly connected. Check that configuration for the SNTP server
corresponds to the actual server settings. Check connectivity to the server (ping the server IP address.
MAINTENANCE ALERT:
4L Discrepancy
•
Latched target message: No.
•
Description of problem: A discrepancy has been detected between the actual and desired state of a latching contact
output of an installed type "4L" module.
•
How often the test is performed: Upon initiation of a contact output state change.
•
What to do: Verify the state of the output contact and contact the factory if the problem persists.
MAINTENANCE ALERT:
GGIO Ind xxx oscill
•
Latched target message: No.
•
Description of problem: A data item in a configurable GOOSE data set is oscillating.
•
How often the test is performed: Upon scanning of each configurable GOOSE data set.
•
What to do: The "xxx" text denotes the data item that has been detected as oscillating. Evaluate all logic pertaining to
this item.
MAINTENANCE ALERT:
Setting Changed
•
Latched target message: No.
•
Description of problem: Any device settings were changed over any available interface.
•
How often the test is performed: On any setting changes, when new settings were written to device.
•
What to do: Verify that the setting change was legitimate and essential for proper functioning of the protection and
control system.
7
DIRECT I/O FAILURE:
COMM Path Incomplete
•
Latched target message: No.
•
Description of problem: A direct device is configured but not connected.
•
How often the test is performed: Every second.
•
What to do: Check direct input and output configuration and wiring.
RxGOOSE FAIL:
Missing messages
•
Latched target message: No.
•
Description of problem: One or more RxGOOSE messages are not being received.
•
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.
•
What to do: Check GOOSE setup.
7-10
CHAPTER 7: COMMANDS AND TARGETS
D60 LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL
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