Lenze DDS Function library PLCToolBox - Manual (Page 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
0 15
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 *)