ABB REL650 series Technical Manual page 8

Table of contents
2
Identification...................................................................................... 69
Function block................................................................................... 70
Signals...............................................................................................70
Basic part for LED indication module......................................................71
Identification...................................................................................... 71
Function block................................................................................... 71
Signals...............................................................................................71
Settings..............................................................................................72
LCD part for HMI function keys control module...................................... 73
Identification...................................................................................... 73
Function block................................................................................... 73
Signals...............................................................................................73
Settings..............................................................................................73
Operation principle..................................................................................74
Local HMI...........................................................................................74
Display..........................................................................................74
LEDs.............................................................................................77
Keypad......................................................................................... 77
LED....................................................................................................79
Functionality................................................................................. 79
Status LEDs..................................................................................79
Indication LEDs............................................................................ 79
Function keys.....................................................................................88
Functionality................................................................................. 88
Operation principle....................................................................... 88
Section 6 Impedance protection..........................................................91
Five zone distance protection, quadrilateral and mho characteristic
ZQMPDIS (21)........................................................................................ 91
Identification...................................................................................... 91
Functionality(21)................................................................................ 91
Function block................................................................................... 92
Signals...............................................................................................92
Settings..............................................................................................93
Operation principle............................................................................ 98
General.........................................................................................98
Full scheme measurement........................................................... 99
Quadrilateral characteristic.........................................................100
Mho characteristic...................................................................... 108
Minimum operating current.........................................................120
Technical manual