ABB RELION REX640 Technical Manual page 1044

Protection functions
Figure 582: Phase A to ground fault on reverse direction
4.7.5.7 Signals
DNZPDIS Input signals
Table 973: DNZPDIS Input signals
Name
I3P
U3P
BLOCK
DNZPDIS Output signals
Table 974: DNZPDIS Output signals
Name
OPERATE
START
FAULT_DIR
DIRECTION
4.7.5.8 Settings
1044
Type Default
SIGNAL -
SIGNAL -
BOOLEAN 0=False
Type
BOOLEAN
BOOLEAN
Enum
Enum
1MRS759142 F
Description
Three-phase currents
Three-phase voltages
Block signal for acti-
vating the blocking
mode
Description
Operate
Start
Detected fault direction
Direction information
REX640
Technical Manual