Carrier receive logic LCCRPTRC ........................................224
Negative sequence overvoltage protection LCNSPTOV......225
Zero sequence overvoltage protection LCZSPTOV............. 226
Negative sequence overcurrent protection LCNSPTOC...... 227
Zero sequence overcurrent protection LCZSPTOC............. 228
Three phase overcurrent LCP3PTOC.................................. 228
Three phase undercurrent LCP3PTUC................................ 229
Logic............................................................................................... 230
Tripping logic, common 3-phase output SMPPTRC .................230
Three-phase operating mode............................................... 230
1ph/3ph operating mode...................................................... 230
1ph/2ph/3ph operating mode............................................... 231
Circuit breaker lockout..........................................................232
Completing the test.............................................................. 233
Monitoring.......................................................................................233
Gas medium supervision SSIMG.............................................. 233
Testing the liquid medium supervision for alarm and lock
out conditions....................................................................... 233
Completing the test.............................................................. 234
Liquid medium supervision SSIML............................................ 234
Testing the liquid medium supervision for alarm and lock
out conditions....................................................................... 234
Completing the test.............................................................. 234
Breaker monitoring SSCBR.......................................................235
Verifying the settings............................................................ 235
Completing the test.............................................................. 237
Event function EVENT...............................................................237
Fault locator LMBRFLO.............................................................237
Measuring the operate limit.................................................. 238
Completing the test.............................................................. 239
Limit counter L4UFCNT.............................................................239
Completing the test.............................................................. 239
Metering..........................................................................................239
Pulse-counter logic PCFCNT.................................................... 239
Function for energy calculation and demand handling
ETPMMTR.................................................................................239
Verifying the settings............................................................ 240
Completing the test.............................................................. 241
Station communication................................................................... 241
Multiple command and transmit MULTICMDRCV /
MULTICMDSND........................................................................ 241
Remote communication..................................................................241
Binary signal transfer BinSignReceive, BinSignTransm............241
Basic IED functions........................................................................ 243
Table of contents
Line distance protection REL670 2.1 IEC 9
Commissioning manual
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