ABB RELION 620 Series Technical Manual page 14

Table of contents
8
Loss of load supervision 37M.......................................................... 255
Identification............................................................................... 255
Function block............................................................................ 255
Functionality............................................................................... 255
Operation principle..................................................................... 255
Application.................................................................................. 257
Signals........................................................................................257
Settings.......................................................................................258
Monitored data............................................................................258
Technical data............................................................................ 258
Motor load jam protection 51LR...................................................... 259
Identification............................................................................... 259
Function block............................................................................ 259
Functionality............................................................................... 259
Operation principle..................................................................... 259
Application.................................................................................. 261
Signals........................................................................................261
Settings.......................................................................................262
Monitored data............................................................................262
Technical data............................................................................ 262
Loss of phase 37............................................................................. 263
Identification............................................................................... 263
Function block............................................................................ 263
Functionality............................................................................... 263
Operation principle..................................................................... 263
Application.................................................................................. 265
Signals........................................................................................265
Settings.......................................................................................266
Monitored data............................................................................266
Technical data............................................................................ 267
Voltage protection.................................................................................267
Three-phase overvoltage protection 59...........................................267
Identification............................................................................... 267
Function block............................................................................ 267
Functionality............................................................................... 267
Operation principle..................................................................... 268
Timer characteristics.................................................................. 271
Application.................................................................................. 272
Signals........................................................................................272
Settings.......................................................................................273
620 series ANSI
Technical Manual