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17
Function library
17.1
Function blocks | L_DigitalLogic_3
1375
Lenze · 8400 HighLine · Reference manual · DMS 12.0 EN · 06/2017 · TD23
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Parameters
Function 4
If the function 4 is selected in
, the output values depend on the truth table parameterised
in
.
The following table shows which setting may be required in
operations NAND, NOR, XOR and XNOR:
Parameters
Possible settings
Info
Function selection
0 "0"
Constant value "FALSE"
1 "1"
Constant value "TRUE"
2
AND operation
•
bOut2 and bOut3 are available
from version 16.00.00 onwards
3
OR operation
•
bOut2 and bOut3 are available
from version 16.00.00 onwards
4 bOut = f (truth table)
bOut2 = f (truth table)
bOut3 = f (truth table)
The output value depends on the
truth table parameterised in
•
bOut2 and bOut3 are available
from version 16.00.00 onwards
Truth table for function "4: bOut = f
(truth table)"
• Each of the eight possible input
combinations can be assigned to
the output value FALSE or TRUE.
• For an application example see
the following section.
0 FALSE
1 TRUE
Input signals
Output
Parameter setting for logic operation
bIn3
bIn2
bIn1
bOut
bOut2
bOut3
NAND
NOR
XOR
XNOR
0
0
0
=
1
1
0
1
0
0
1
=
1
0
1
0
0
1
0
=
1
0
1
0
0
1
1
=
1
0
0
1
1
0
0
=
1
0
1
0
1
0
1
=
1
0
0
1
1
1
0
=
1
0
0
1
1
1
1
=
0
0
0
1
bOut
bIn1 bIn2 bIn3
∧
∧
=
bOut2
bIn1 bIn2 bIn3
∧
∧
=
bOut3
bIn1 bIn2 bIn3
∧
∧
=
bOut
bIn1 bIn2 bIn3
∨
∨
=
bOut2
bIn1 bIn2 bIn3
∨
∨
=
bOut3
bIn1 bIn2 bIn3
∨
∨
=