Delta Electronics DVP15MC11T, Operation Manual

Page: 264 / 601

Chapter 8 Logic Instructions
8_
8.14.4 LEFT / RIGHT
FB/FC Explanation
Applicable
model
FC
LEFT/RIGHT extracts a specified-length string from the string variable or
constant.
DVP15MC11T

Parameters
Parameter
name
Meaning
Input/
Output
Description Valid range
In Original string Input Original string
Depends on the data type of the
variable that the input parameter is
connected to.
L
Number of
characters to get
Input
Number of
characters to get
0~maximum number of characters
Out Extraction result Output Extraction result
Depends on the data type of the
variable that the output parameter is
connected to.
B
ool
ean
Bit string Integer
Real
number
Time, date
St
rin
g
B
O
O
L
BYT
E
WO
RD
D
WO
R
D
L
W
O
R
D
U
SI
N
T
U
IN
T
U
DI
NT
U
L
INT
SI
N
T
IN
T
D
IN
T
L
IN
T
R
EAL
L
R
EAL
T
IM
E
D
AT
E
TOD D
T
ST
R
IN
G
In
●
L
●
Out
●
Note:
The symbol
●
indicates that the parameter is allowed to connect to the variable or constant of the data type.
LEF T
EN ENO
In Ou t
L
RIG HT
EN ENO
In Ou t
L
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