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LPS-O Line Protection System GE Power Management
2.3 PROTECTION SETTINGS 2 CALCULATION OF SETTINGS
2
1501: NCAIN1 - Non-Critical Alarm Input #1
1502: NCAIN2 - Non-Critical Alarm Input #2
1503: NCAIN3 - Non-Critical Alarm Input #4
1504: NCAIN4 - Non-Critical Alarm Input #4
1505: NCAIN5 - Non-Critical Alarm Input #5
1506: NCAIN6 - Non-Critical Alarm Input #6
1507: NCAIN7 - Non-Critical Alarm Input #7
1508: NCAIN8 - Non-Critical Alarm Input #8
Set these Protection Settings to one of the available Index numbers given in Table 2–6: INDEX NUMBERS –
CONFIGURABLE LOGIC & PROGRAMMABLE OUTPUT SIGNALS on page 2–33.
2.3.17 OUTPUTS
All 24 of the output contacts (Protection Settings 1601 to 1624) in the LPS-O system are configurable. They
can be driven by any one of the functions by an index number provided in Table 2–6 on page 2–33. Each of the
contacts has a default setting as listed in the Protection Settings listed at the end of this section. The default
settings are established through an Xpression Builder file that is downloaded in the LPS-O system in the fac-
tory. Any of the settings can be changed by modifying this logic via the Xpression Builder program, by settings
change through the LPSO-Link program, or by settings change through the keypad. Note that any index num-
ber settings that are changed through the keypad or LPSO-Link will be reflected in the configurable logic file,
while any settings that are changed through the configurable logic will be reflected in the settings file.
If other than the default setting is to be used, change the configurable logic or select an index number reflecting
the function by which the contact is to be driven.
1625: CONFTRIP - Initiate Three Pole Trip
The
CONFTRIP
setting allows tripping to be initiated through the trip output contacts that are used by the
scheme logic.
CONFTRIP
can be driven by any one of the functions as described by an index number provided
in the Table 2–6: INDEX NUMBERS – CONFIGURABLE LOGIC & PROGRAMMABLE OUTPUT SIGNALS on
page 2–33, or separate logic can be designed using the Xpression Builder program.
1626: CONFOSC - Trigger Oscillography
The
CONFOSC
setting allows oscillography data capture to be initiated by the operation of selected signals
within the LPS-O logic, or via external input through a contact converter. Regardless of the setting of
CON-
FOSC
, oscillography data capture will always occur when the LPS-O issues a trip output. Care should be taken
to ensure that the signals chosen; if one of the selected triggers can operate frequently, trip oscillography data
may be overwritten and lost.
CONFOSC
can be driven by any one of the functions as described by an index
number provided in Table 2–6: INDEX NUMBERS – CONFIGURABLE LOGIC & PROGRAMMABLE OUTPUT
SIGNALS on page 2–33, or separate logic can be designed using the Xpression Builder program.
1601: T1 - T1 Contact 1613: A7 - A7 Contact
1602: T2 - T2 Contact 1614: A8- A8 Contact
1603: T3 - T3 Contact 1615: A9 - A9 Contact
1604: T4 - T4 Contact 1616: A10 - A10 Contact
1605: T5 - T5 Contact 1617: A11 - A11 Contact
1606: T6 - T6 Contact 1618: A12 - A12 Contact
1607: A1 - A1 Contact 1619: C1 - C1 Contact
1608: A2 - A2 Contact 1620: C2 - C2 Contact
1609: A3 - A3 Contact 1621: KT1 - KT1 Contact
1610: A4 - A4 Contact 1622: KT2 - KT2 Contact
1611: A5 - A5 Contact 1623: KT3 - KT3 Contact
1612: A6 - A6 Contact 1624: KT4 - KT4 Contact
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