ABB RELION 620 Series Technical Manual page 16

Table of contents
10
Operation principle............................................................... 319
Application............................................................................322
Signals..................................................................................323
Settings................................................................................ 323
Monitored data..................................................................... 324
Technical data...................................................................... 325
Technical revision history..................................................... 325
Three-phase thermal overload protection, two time constants
T2PTTR..................................................................................... 325
Identification......................................................................... 325
Function block...................................................................... 325
Functionality......................................................................... 326
Operation principle............................................................... 326
Application............................................................................329
Signals..................................................................................331
Settings................................................................................ 332
Monitored data..................................................................... 333
Technical data...................................................................... 333
Technical revision history..................................................... 333
Motor load jam protection JAMPTOC........................................334
Identification......................................................................... 334
Function block...................................................................... 334
Functionality......................................................................... 334
Operation principle............................................................... 334
Application............................................................................336
Signals..................................................................................336
Settings................................................................................ 336
Monitored data..................................................................... 337
Technical data...................................................................... 337
Technical revision history..................................................... 337
Loss of load supervision LOFLPTUC........................................ 338
Identification......................................................................... 338
Function block...................................................................... 338
Functionality......................................................................... 338
Operation principle............................................................... 338
Application............................................................................339
Signals..................................................................................340
Settings................................................................................ 340
Monitored data..................................................................... 340
Technical data...................................................................... 341
Technical revision history..................................................... 341
Loss of phase, undercurrent PHPTUC...................................... 341
Identification......................................................................... 341
620 series
Technical Manual