18 TYPE CONVERSION FUNCTIONS
18.53 Bit Array Copy
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18
18.53
Bit Array Copy
CPY_BITARR(_E)
These functions copy specified number of bits of a bit array.
Setting data
■
Descriptions, types, and data types
Processing details
■
Operation processing
• These functions output (n) bits of a bit array specified to (s) to (d).
■
Operation result
1.
Function without EN/ENO
The operation processing is executed. The operation output value is output from (d).
2.
Function with EN/ENO
The following table lists the execution conditions and operation results.
*1 When FALSE is output from ENO, data output from (d) is undefined. In that case, modify a program so that the data output from (d) is
not used.
Operation error
There is no operation error.
Ladder diagram, FBD/LD
Structured text
[Without EN/ENO]
[With EN/ENO]
[Without EN/ENO]
d:=CPY_BITARR(s,n);
[With EN/ENO]
d:=CPY_BITARR_E(EN,ENO,s,n);
Argument
Description
Type
Data type
EN
Execution condition (TRUE: Execution, FALSE: Stop)
Input variable
BOOL
s(BitArrIn)
Input
Input variable
BOOL array element
n
Only a constant 4, 8, 12, 16, 20, 24, 28 or 32 can be specified.
Input variable
INT
ENO
Output status (TRUE: Normal, FALSE: Abnormal)
Output variable
BOOL
d(CPY_BITARR(_E))
Output
Output variable
BOOL array element
Execution condition
Operation result
EN
ENO
(d)
TRUE (Executes operation)
TRUE
Operation output value
FALSE (Stops operation)
FALSE
Indefinite value
s
d
n
EN
ENO
s
d
n
Summary of Contents for MELSEC iQ-F FX5
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