ABB RELION REX640 Technical Manual page 28

Table of contents
22
Identification......................................................................... 753
Function block...................................................................... 754
Functionality......................................................................... 754
Analog input configuration....................................................754
Operation principle............................................................... 754
Application............................................................................755
Signals..................................................................................756
Settings................................................................................ 756
Monitored data..................................................................... 756
Technical data...................................................................... 757
Negative-sequence overcurrent protection for machines
MNSPTOC.................................................................................757
Identification......................................................................... 757
Function block...................................................................... 757
Functionality......................................................................... 757
Analog channel configuration............................................... 758
Operation principle............................................................... 758
Timer characteristics............................................................ 759
Application............................................................................764
Signals..................................................................................764
Settings................................................................................ 765
Monitored data..................................................................... 766
Technical data...................................................................... 766
Voltage protection...........................................................................766
Three-phase overvoltage protection PHPTOV.......................... 766
Identification......................................................................... 766
Function block...................................................................... 767
Functionality......................................................................... 767
Analog channel configuration............................................... 767
Operation principle............................................................... 768
Timer characteristics............................................................ 771
Application............................................................................771
Signals..................................................................................772
Settings................................................................................ 772
Monitored data..................................................................... 773
Technical data...................................................................... 774
Three-phase undervoltage protection PHPTUV........................ 774
Identification......................................................................... 774
Function block...................................................................... 774
Functionality......................................................................... 774
Analog channel configuration............................................... 775
Operation principle............................................................... 775
Timer characteristics............................................................ 779
REX640
Technical Manual