ABB Relion REG670, Technical Manual

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One of the outputs is inverted. The output signal OUT is 1 if the input signals are
different and 0 if they are equal.
Table 582: Truth table for XORQT function block
INPUT1 INPUT2 OUT NOUT
0 0 0 1
0 1 1 0
1 0 1 0
1 1 0 1
XORQT can propagate the quality, value and time stamps of the signals via IEC
61850.
15.7.11.1 Function block
XORQT
INPUT1
INPUT2 OUT
NOUT
IEC09000300-1-en.vsd
IEC09000300 V1 EN
Figure 397: XORQT function block
15.7.11.2 Signals
Table 583: XORQT Input signals
Name Type Default Description
INPUT1 BOOLEAN 0 Input signal 1
INPUT2 BOOLEAN 0 Input signal 2
Table 584: XORQT Output signals
Name Type Description
OUT BOOLEAN Output signal
NOUT BOOLEAN Inverted output signal
15.7.11.3 Technical data
Table 585: Number of XORQT instances
Logic block Quantity with cycle time
3 ms 8 ms 100 ms
XORQT - 10 30
Section 15
1MRK502052-UEN B
Logic
834
Technical manual