7-10 C60 Breaker Protection System GE Multilin
7.1 COMMANDS 7 COMMANDS AND TARGETS
7
• Description of problem: The battery is not functioning.
• How often the test is performed: The battery is monitored every five seconds. The error message displays after 60 sec-
onds if the problem persists.
• What to do: Replace the battery as outlined in the Maintenance chapter.
• Latched target message: No.
• Description of problem: Direct input and output settings are configured for a ring, but the connection is not in a ring.
• How often the test is performed: Every second
.
• What to do: Check direct input and output configuration and wiring.
• Latched target message: No.
• Description of problem: A bad IRIG-B input signal has been detected.
• How often the test is performed: Monitored whenever an IRIG-B signal is received.
• What to do: Ensure the following:
– The IRIG-B cable is properly connected.
– Proper cable functionality (that is, check for physical damage or perform a continuity test).
– The IRIG-B receiver is functioning.
– Check the input signal level (it may be less than specification).
If none of these apply, then contact the factory.
• Latched target message: No.
• Description of problem: No PTP enabled port has good PTP signal input.
• 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.
• 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 corre-
sponds to the actual server settings. Check connectivity to the server (ping the server IP address.
MAINTENANCE ALERT:
Direct I/O Ring Break
MAINTENANCE ALERT:
Bad IRIG-B Signal
MAINTENANCE ALERT:
**Bad PTP Signal**
MAINTENANCE ALERT:
SNTP Failure
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