ABB Relion 670 Series Technical Reference Manual page 882

Section 14
Logic
Table 510: PULSETIMER Non group settings (basic)
Name Values (Range)
T 0.000 - 90000.000
14.3.7
14.3.8
876
Unit Step
s 0.001
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.
XOR
INPUT1 OUT
INPUT2 NOUT
IEC04000409-2-en.vsd
IEC04000409 V2 EN
Figure 441: XOR function block
Table 511: XOR Input signals
Name Type
INPUT1 BOOLEAN
INPUT2 BOOLEAN
Table 512: XOR Output signals
Name Type
OUT BOOLEAN
NOUT BOOLEAN
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
Default Description
0.010 Time delay of function
Default Description
0 Input 1 to XOR gate
0 Input 2 to XOR gate
Description
Output from XOR gate
Inverted output from XOR gate
1MRK505222-UUS C
Technical reference manual