Delta Electronics DVP15MC11T

DVP15MC11T Operation Manual
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 Function Explanation

The MID instruction extracts L characters starting from the number-P character of the In string. The
extracted string is output to Out. The extraction way is illustrated as below.
 Precautions for Correct Use

The input variables are not allowed to omit. An error will occur during the compiling of the software if
the input variables are omitted. But the output variable is allowed to omit.

Programming Example

The MID_In string is ’AaBbCcDd’, MID_L=2 and MID_LP=3. When MID_EN is TRUE, Out1 is ’Bb’.
 The variable table and program
Variable name
Data type
Current value
MID_EN
BOOL
TRUE
MID_In
STRING
‘AaBbCcDd’
MID_L
UINT
2
MID_P UINT
3
Out1 STRING
‘Bb’
In =ABCDEFGH L= 3 P=2
Out :
BCD
ABCDEFGH
Extrac tion starts from
the second character
Extract three characters
MID
1
MID
EN ENO
In Out
P
L
MID_EN
MID_In1
MID_P
MID_L
Out1
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