
10.10.1.2 Testing permissive overreaching................................................................................132
10.10.1.3 Testing blocking scheme............................................................................................ 132
10.10.1.4 Checking of unblocking logic......................................................................................133
10.10.1.5 Completing the test.................................................................................................... 133
10.10.2 Current reversal and Weak-end infeed logic for distance protection 2-phase
ZCRWPSCH....................................................................................................................133
10.10.2.1 Current reversal logic................................................................................................. 133
10.10.2.2 Weak end infeed logic................................................................................................134
10.10.2.3 Completing the test.................................................................................................... 134
10.10.3 Scheme communication logic for residual overcurrent protection ECPSCH ..................134
10.10.3.1 Function revision history............................................................................................ 135
10.10.3.2 Testing the directional comparison logic function.......................................................135
10.10.3.3 Completing the test.................................................................................................... 136
10.10.4 Current reversal and weak-end infeed logic for residual overcurrent protection
ECRWPSCH .................................................................................................................. 136
10.10.4.1 Testing the current reversal logic............................................................................... 136
10.10.4.2 Testing the weak-end infeed logic.............................................................................. 137
10.10.4.3 Completing the test.................................................................................................... 138
10.11 Logic..................................................................................................................................138
10.11.1 Tripping logic................................................................................................................... 138
10.11.1.1 Function revision history............................................................................................ 138
10.11.1.2 Test for trip ................................................................................................................ 139
10.11.1.3 Circuit breaker lockout............................................................................................... 139
10.11.1.4 Completing the test.................................................................................................... 139
10.12 Monitoring..........................................................................................................................139
10.12.1 Gas medium supervision SSIMG.................................................................................... 139
10.12.1.1 Function revision history............................................................................................ 140
10.12.1.2 Testing the gas medium supervision for pressure alarm and pressure lockout
conditions................................................................................................................... 140
10.12.1.3 Testing the gas medium supervision for temperature alarm and temperature
lockout conditions.......................................................................................................140
10.12.1.4 Completing the test.................................................................................................... 141
10.12.2 Liquid medium supervision SSIML..................................................................................141
10.12.2.1 Function revision history............................................................................................ 141
10.12.2.2 Testing the liquid medium supervision for level alarm and level lockout conditions...141
10.12.2.3 Testing the gas medium supervision for temperature alarm and temperature
lockout conditions.......................................................................................................142
10.12.2.4 Completing the test.................................................................................................... 142
10.12.3 Breaker monitoring SSCBR.............................................................................................142
10.12.3.1 Verifying the settings.................................................................................................. 142
10.12.3.2 Completing the test.................................................................................................... 144
10.12.4 Event function EVENT.....................................................................................................144
10.12.5 Limit counter L4UFCNT...................................................................................................144
10.12.5.1 Completing the test.................................................................................................... 144
10.12.6 Fault locator RWRFLO....................................................................................................144
10.12.6.1 Function revision history............................................................................................ 144
10.12.6.2 Verifying signals and settings.....................................................................................145
Table of contents 1MRK 506 377-UEN Rev. K
6Railway application RER670
Commissioning manual
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