GE Power Management LPS-O Line Protection System 13-
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13 XPRESSION BUILDER 13.3 XPRESSION BUILDER FLAGS
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13.3.2 INPUT FLAGS
The input flags available for assignment to user defined logic are shown in the following tables. Note that
Xpression Builder may offer a number of choices that are not available with the LPS-O relay. Use only the
inputs listed in the tables in this section.
Table 13–3: CONFIGURABLE INPUTS
INDEX DESCRIPTION MNEMONIC
25 Configurable Input 1 CNFDI1
26 Configurable Input 2 CNFDI2
27 Configurable Input 3 CNFDI3
28 Configurable Input 4 CNFDI4
29 Configurable Input 5 CNFDI5
30 Configurable Input 6 CNFDI6
31 Configurable Input 7 CNFDI7
32 Configurable Input 8 CNFDI8
Table 13–4: SCHEME LOGIC INPUTS
INDEX DESCRIPTION MNEMONIC
1 Breaker #1 52b Contact Input 52B_1
4 Breaker #2 52b Contact Input 52B_2
8 Change Setting Group Input Bit 0 CGST1
9 Change Setting Group Input Bit 1 CGST2
22 External Contact Input to Disable Outputs DISOUT
23 External Contact to Trigger Oscillography OSCTRG
Table 13–5: CURRENT AND VOLTAGE UNITS
INDEX DESCRIPTION MNEMONIC
103 Any Phase Undervoltage ANYUVT
104 All Voltage High (No Phase Undervoltage) ALLVLT
105 Fault Detector (FD) FLTDET
107 IT Detector IT
108 IB Detector IB
109 IPT Detector IPT
110 IPB Detector IPB
111 Remote Breaker Open Detector REMOPN
116 Instantaneous Phase Overcurrent (50P/PH4) 50
117 Instantaneous Ground Overcurrent (50G/IDT) 50G
118 Ground Time Overcurrent Pick-Up TOCACT
119 Ground Time Overcurrent Trip (51G/TOC) TOCTRP