148 D90
PLUS
LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL
USER-PROGRAMMABLE SELF-TESTS CHAPTER 6: COMMUNICATIONS
DST Stop Hour
Range: 0 to 23 in steps of 1
Default: 2
This setting specifies the hour at which daylight saving time ends. For example, if
daylight saving time ends at 4:00 AM, program this setting to “4.”
User-programmable self-tests
All major self-test alarms are reported automatically with their corresponding FlexLogic
operands. And most of the minor alarms can be disabled.
Select the Settings > Communications > User-Programmable Self-Tests menu to open
the user-programmable self-test configuration window.
Figure 121: User-programmable self-test configuration settings
The following settings are available to configure the self-tests.
Ethernet Port 1 Fail Function
Range: Enabled, Disabled
Default: Enabled
When this setting is “Disabled,” the ETHERNET PORT 1 FAILURE alarm does not assert a
FlexLogic operand or write to the event recorder. Moreover, it does not trigger the ANY
MINOR ALARM or ANY SELF-TEST messages. When this setting is “Enabled,” the
ETHERNET PORT 1 FAILURE alarm continues to function along with other major and
minor alarms. See the Self-Tests section in the Testing chapter for information on alarms.
Ethernet Port 2 Fail Function
Range: Enabled, Disabled
Default: Disabled
When this setting is “Disabled,” the ETHERNET PORT 2 FAILURE alarm does not assert a
FlexLogic operand or write to the event recorder. Moreover, it does not trigger the ANY
MINOR ALARM or ANY SELF-TEST messages. When this setting is “Enabled,” the
ETHERNET PORT 2 FAILURE alarm continues to function along with other major and
minor alarms. See the Self-Tests section in the Testing chapter for information on alarms.
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