Lenze DDS Function library PLCToolBox Instrukcja Użytkownika Pobierz pdf (Strona 19)

Function library LenzePLCToolBox.lib

Functions/function blocks

2.11 L_TBGetBitOfWord

2−11

L LenzePLCToolBox.lib EN 1.5

2.11 L_TBGetBitOfWord

BOOL L_TBGetBitOfWord (wInput, byBitNr)

This function returns the state of a single bit within a "word" value.

L_TBGetBitOfWord

wInput

byBitNr

0...15

state?

FALSE/TRUE

Transfer parameters

Identifiers Data type Info/possible settings

wInput Word Value

byBitNr Byte No. (0 ... 15) of the bit of wInput whose state is to be determined.

Return value: Bool

Value Meaning

FALSE/TRUE State of bit byBitNr of wInput.

Example

Calling the function in ST:

wValue := 105 (* wValue = 105 dec = 00000000 01101001 bin *)

bBit0 := L_TBGetBitOfWord(wValue, 0); (* bBit0 = TRUE *)

bBit1 := L_TBGetBitOfWord(wValue, 1); (* bBit1 = FALSE *)

bBit2 := L_TBGetBitOfWord(wValue, 2); (* bBit2 = FALSE *)

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Lenze DDS Function library PLCToolBox Instrukcja Użytkownika Strona 19