Signals - ABB RELION REX640 Technical Manual

1MRS759142 C
4.7.4.7
4.7.4.8
Table 882: UZPDIS Group settings (Basic)
Parameter Values (Range)
Polar reach
Operate delay time
Table 883: UZPDIS Non group settings (Basic)
Parameter Values (Range)
Operation
Measurement mode
Impedance Meas mode
Phase Sel for Z Clc
Table 884: UZPDIS Non group settings (Advanced)
Parameter Values (Range)
Reset delay time
REX640
Technical Manual
calculated impedance could fall below the set operating limit even if there is no actual
fault in the primary system.
The blocking operation is provided by an external function block, the fuse failure
supervision SEQSPVC, whose output is connected to the BLOCK input of UZPDIS.

Signals

Table 880: UZPDIS Input signals
Name
I3P
U3P
BLOCK
Table 881: UZPDIS Output signals
Name
OPERATE
START
Settings
Unit
1...6000 %Zn
40...200000 ms
Unit
1=on
5=off
2=DFT
3=Peak-to-Peak
2=1Phase-to-
phase
4=3Phase-to-
phase
1=AB
2=BC
3=CA
Unit
0...60000 ms
Type Default Description
SIGNAL - Three-phase currents
SIGNAL - Three-phase voltages
BOOLEAN 0=False Block signal for activating the blocking mode
Type Description
BOOLEAN Operate
BOOLEAN Start
Step Default
1 7
10 200
Step Default
1=on
2=DFT
4=3Phase-to-
phase
1=AB
Step Default
10 20
Section 4
Protection functions
Description
Impedance start value, i.e. radius of
impedance circle
Operate delay time
Description
Operation Off / On
Selects used measurement mode
Select voltage and current signals for
impedance calculation
Select phase/ phase-phase voltages and
currents for Z calculation.
Description
Reset delay time
951