ABB Relion 620 Series - Page 157

Function block
Figure 75: Function block
Functionality
The exclusive OR function XOR is used to generate combinatory expressions with
Boolean variables.
The output signal is TRUE if the input signals are different and FALSE if they are
equal.
Signals
Table 112: XOR Input signals
Name Type Default Description
B1 BOOLEAN 0 Input signal 1
B2 BOOLEAN 0 Input signal 2
Table 113: XOR Output signals
Name Type Description
O BOOLEAN Output signal
Settings
The function does not have any parameters available in LHMI or PCM600.
3.17.1.4 NOT function block
Function block
Figure 76: Function block
Functionality
NOT is used to generate combinatory expressions with Boolean variables.
NOT inverts the input signal.
1MRS757644 H
Basic functions
620 series
Technical Manual
157