14.3.2 Inverter function block INV
IEC04000404_2_en.vsd
INV
INPUT OUT
IEC04000404 V2 EN
Figure 436: INV function block
Table 499: INV Input signals
Name Type Default Description
INPUT BOOLEAN 0 Input
Table 500: INV Output signals
Name Type Description
OUT BOOLEAN Output
14.3.3 OR function block OR
The OR function is used to form general combinatory expressions with boolean
variables. The OR function block has six inputs and two outputs. One of the outputs is
inverted.
IEC04000405_2_en.vsd
OR
INPUT1
INPUT2
INPUT3
INPUT4
INPUT5
INPUT6
OUT
NOUT
IEC04000405 V2 EN
Figure 437: OR function block
Table 501: OR Input signals
Name
Type Default Description
INPUT1 BOOLEAN 0 Input 1 to OR gate
INPUT2 BOOLEAN 0 Input 2 to OR gate
INPUT3 BOOLEAN 0 Input 3 to OR gate
INPUT4 BOOLEAN 0 Input 4 to OR gate
INPUT5 BOOLEAN 0 Input 5 to OR gate
INPUT6 BOOLEAN 0 Input 6 to OR gate
1MRK505222-UUS C Section 14
Logic
873
Technical reference manual