ABB RELION 620 Series Technical Manual page 14

Table of contents
8
Clearing of record.................................................................205
Configuration............................................................................. 205
Signals.......................................................................................205
Settings......................................................................................206
Monitored data...........................................................................219
ETHERNET channel supervision function blocks...........................219
Redundant Ethernet channel supervision RCHLCCH............... 219
Function block...................................................................... 219
Functionality......................................................................... 219
Signals..................................................................................219
Settings................................................................................ 220
Monitored data..................................................................... 220
Ethernet channel supervision SCHLCCH..................................220
Function block...................................................................... 220
Functionality......................................................................... 220
Signals..................................................................................221
Settings................................................................................ 222
Monitored data..................................................................... 222
Section 4 Protection functions......................................................223
Three-phase current protection...................................................... 223
Three-phase non-directional overcurrent protection PHxPTOC223
Identification......................................................................... 223
Function block...................................................................... 223
Functionality......................................................................... 223
Operation principle............................................................... 224
Measurement modes............................................................226
Timer characteristics............................................................ 227
Application............................................................................228
Signals..................................................................................234
Settings................................................................................ 236
Monitored data..................................................................... 238
Technical data...................................................................... 239
Technical revision history..................................................... 240
Three-independent-phase non-directional overcurrent
protection PH3xPTOC............................................................... 241
Identification......................................................................... 241
Function block...................................................................... 241
Functionality......................................................................... 241
Operation principle............................................................... 242
Timer characteristics............................................................ 246
Application............................................................................247
Signals..................................................................................253
Settings................................................................................ 255
620 series
Technical Manual