Signals - ABB RELION REX640 Technical Manual

Section 4
Protection functions
4.2.2.11
438
core balance current transformers. The following figure describes how measuring
transformers can be connected to the protection relay.
GUID-2A687FC8-917A-48A0-9DF2-6167F71BAD26 V1 EN
Figure 238: Connection of measuring transformers

Signals

Table 486: DEFLPDEF Input signals
Name Type
I3P SIGNAL
IRES SIGNAL
U3P SIGNAL
URES SIGNAL
BLOCK BOOLEAN
ENA_MULT BOOLEAN
RCA_CTL BOOLEAN
Default Description
- Three-phase currents
- Residual current
- Three-phase voltages
- Residual voltage
0=False Block signal for activating the blocking mode
0=False Enable signal for current multiplier
0=False Relay characteristic angle control
1MRS759142 C
REX640
Technical Manual