GE C70 Instruction Manual page 434
Capacitor bank protection and control system
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- Instruction manual (708 pages) ,
- Communications manual (532 pages) ,
- Instruction manual (624 pages)
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TARGETS MENU
•
How often the test is performed: Activated when no acceptable signal is being received.
•
What to do: Ensure the following:
–
The Ethernet cable(s) are properly connected.
–
At least one PTP grandmaster-capable clock is functioning.
–
If strict PP is enabled, that entire network is PP compliant.
–
The network is delivering PTP messages to the relay.
MAINTENANCE ALERT:
Port ## Failure
•
Latched target message: No.
•
Description of problem: An Ethernet connection has failed.
•
How often the test is performed: Monitored every five seconds.
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What to do: Check Ethernet connections. Port 1 is the primary port and port 2 is the secondary port.
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.
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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:
7
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.
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What to do: The "xxx" text denotes the data item that has been detected as oscillating. Evaluate all logic pertaining to
this item.
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
7-12
C70 CAPACITOR BANK PROTECTION AND CONTROL SYSTEM – INSTRUCTION MANUAL
CHAPTER 7: COMMANDS AND TARGETS
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