ABB RELION REX640 Technical Manual page 38

Table of contents
32
Function block......................................................................... 1132
Functionality............................................................................ 1132
Analog channel configuration.................................................. 1133
Operation principle.................................................................. 1133
Application............................................................................... 1136
Signals.....................................................................................1137
Settings....................................................................................1138
Monitored data.........................................................................1138
Technical data......................................................................... 1139
Scheme communication logic DSOCPSCH................................. 1139
Identification............................................................................ 1139
Function block......................................................................... 1139
Functionality............................................................................ 1139
Operation principle.................................................................. 1140
Application............................................................................... 1147
Signals.....................................................................................1152
Settings....................................................................................1153
Monitored data.........................................................................1153
Technical data......................................................................... 1153
Communication logic for residual overcurrent RESCPSCH......... 1154
Identification............................................................................ 1154
Function block......................................................................... 1154
Functionality............................................................................ 1154
Operation principle.................................................................. 1155
Application............................................................................... 1161
Signals.....................................................................................1167
Settings....................................................................................1168
Monitored data.........................................................................1168
Technical data......................................................................... 1168
Current reversal and weak-end infeed logic CRWPSCH............. 1169
Identification............................................................................ 1169
Function block......................................................................... 1169
Functionality............................................................................ 1169
Analog channel configuration.................................................. 1169
Operation principle.................................................................. 1170
Application............................................................................... 1172
Signals.....................................................................................1175
Settings....................................................................................1176
Monitored data.........................................................................1176
Technical data......................................................................... 1176
Current reversal and weak-end infeed logic for residual
overcurrent RCRWPSCH............................................................. 1177
Identification............................................................................ 1177
REX640
Technical Manual