GE Multilin
T60 Transformer Protection System
7-9
7 COMMANDS AND TARGETS
7.1 COMMANDS
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
Summary of Contents for T60
Page 6: ...vi T60 Transformer Protection System GE Multilin TABLE OF CONTENTS ...
Page 14: ...xiv T60 Transformer Protection System GE Multilin TABLE OF CONTENTS ...
Page 34: ...1 20 T60 Transformer Protection System GE Multilin 1 5 USING THE RELAY 1 GETTING STARTED 1 ...
Page 490: ...5 344 T60 Transformer Protection System GE Multilin 5 10 TESTING 5 SETTINGS 5 ...
Page 522: ...6 32 T60 Transformer Protection System GE Multilin 6 5 PRODUCT INFORMATION 6 ACTUAL VALUES 6 ...
Page 536: ...7 14 T60 Transformer Protection System GE Multilin 7 1 COMMANDS 7 COMMANDS AND TARGETS 7 ...
Page 568: ...10 12 T60 Transformer Protection System GE Multilin 10 6 DISPOSAL 10 MAINTENANCE 10 ...
Page 596: ...A 28 T60 Transformer Protection System GE Multilin A 1 PARAMETER LISTS APPENDIX A A ...
Page 716: ...B 120 T60 Transformer Protection System GE Multilin B 4 MEMORY MAPPING APPENDIX B B ...
Page 762: ...E 10 T60 Transformer Protection System GE Multilin E 1 IEC 60870 5 104 PROTOCOL APPENDIX E E ...
Page 774: ...F 12 T60 Transformer Protection System GE Multilin F 2 DNP POINT LISTS APPENDIX F F ...