Lenze E84DSxxx - Manual (Page 732)

17 Function library
17.1 Function blocks | L_DigitalLogic_1
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Lenze · 8400 protec StateLine · Reference manual · DMS 4.2 EN · 03/2013 · TD05
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Parameter
Truth table for C00820 = 4
Example: If in case of the signal combination bln1 = FALSE, bln2 = FALSE and bln3 = TRUE, the output
signal bOut is to be = TRUE, C00821/5 must be set to "TRUE":
Parameter Possible settings Info
C00820 Function selection
0 "0" Constant value "FALSE"
1 "1" Constant value "TRUE"
2 AND operation
3 OR operation
4 bOut = f (truth table) The output value depends on the
parameterised truth table
C00821 see truth table Truth table
Each of the 8 possible input
combinations can be assigned to the
output value FALSE or TRUE.
bIn3 bIn2 bIn1 Output signal bOut
FALSE FALSE FALSE C00821/1 (FALSE or TRUE)
FALSE FALSE TRUE C00821/2 (FALSE or TRUE)
FALSE TRUE FALSE C00821/3 (FALSE or TRUE)
FALSE TRUE TRUE C00821/4 (FALSE or TRUE)
TRUE FALSE FALSE C00821/5 (FALSE or TRUE)
TRUE FALSE TRUE C00821/6 (FALSE or TRUE)
TRUE TRUE FALSE C00821/7 (FALSE or TRUE)
TRUE TRUE TRUE C00821/8 (FALSE or TRUE)
bIn3 bIn2 bIn1 Output signal bOut
TRUE FALSE FALSE C00821/5 (TRUE)
bOut bIn1 bIn2 bIn3 ∧ ∧ =
bOut bIn1 bIn2 bIn3 ∨ ∨ =