ABB Relion 670 series - Exclusive OR function block XOR; Loop delay function block LOOPDELAY

Table 510: PULSETIMER Non group settings (basic)
Name Values (Range) Unit Step Default Description
T 0.000 - 90000.000 s 0.001 0.010 Time delay of function
14.3.7 Exclusive OR function block XOR
The exclusive OR function (XOR) is used to generate combinatory expressions with
boolean variables. XOR has two inputs and two outputs. One of the outputs is inverted.
The output signal is 1 if the input signals are different and 0 if they are the same.
IEC04000409-2-en.vsd
XOR
INPUT1
INPUT2
OUT
NOUT
IEC04000409 V2 EN
Figure 441: XOR function block
Table 511: XOR Input signals
Name Type Default Description
INPUT1 BOOLEAN 0 Input 1 to XOR gate
INPUT2 BOOLEAN 0 Input 2 to XOR gate
Table 512: XOR Output signals
Name
Type Description
OUT BOOLEAN Output from XOR gate
NOUT BOOLEAN Inverted output from XOR gate
14.3.8 Loop delay function block LOOPDELAY
The Logic loop delay function block (LOOPDELAY) function is used to delay the
output signal one execution cycle.
LOOPDELAY
INPUT OUT
IEC09000296-1-en.vsd
IEC09000296 V1 EN
Figure 442: LOOPDELAY function block
Section 14 1MRK505222-UUS C
Logic
876
Technical reference manual