Bitcnt - Omron NY532-5400 Reference Manual

2 Instruction Descriptions

BitCnt

The BitCnt instruction counts the number of TRUE bits in a bit string.
Instruction
BitCnt Bit Counter
Variables
Name Meaning
In Count
string
Out Count
result
* If you omit the input parameter, the default value is not applied. A building error will occur.
Bit strings
In OK OK OK OK
Out
Function
The BitCnt instruction counts the number of TRUE bits in count string In. The following example is for
when In is BYTE data with a value of BYTE#16#85.
LD
BYTE#16#85
In 1 0 0 0 1 0 0 1
3
Out = abc
2-412
Name FB/FUN
FUN
I/O Description
Input String in which to count
TRUE bits
Output Number of TRUE bits
OK
BitCnt
EN ENO
abc
In
The number of TRUE (1) bits is counted.
Graphic expression
(@)BitCnt
EN ENO
In Out
Valid range
Depends on data type.
0 to No. of bits in In
Integers
ST
abc:=BitCnt(BYTE#16#85);
NY-series Instructions Reference Manual (W560)
ST expression
Out:=BitCnt(In);
Unit Default
--- *
--- ---
Times, durations,
dates, and text strings