Mitsubishi Electric MELSEC FX Series - 7.20.2 VAL

7 Applied Instructions
7.20 Character String Control
636
FXCPU Structured Programming Manual
(Basic & Applied Instruction)
7.20.2 VAL
Outline
This instruction converts a character string (ASCII codes) into binary data.
On the other hand, EVAL instruction converts a character string (ASCII codes) into floating point data.
1. Format and operation, execution form
2. Set data
3. Applicable devices
FX3U(C) FX3G FX2N(C) FX1N(C) FX1S FXU/FX2C FX0N FX0(S)
Instruction
name
Operation
Execution
form
Expression in each language
Structured ladder ST
VAL 16 bits Continuous VAL(EN,s,d1,d2);
VALP 16 bits Pulse VALP(EN,s,d1,d2);
DVAL 32 bits Continuous DVAL(EN,s,d1,d2);
DVALP 32 bits Pulse DVALP(EN,s,d1,d2);
Variable Description
Data type
16-bit
operation
32-bit
operation
Input
variable
EN Execution condition Bit
Head device storing a character string to be converted into binary
data.
String String
Output
variable
ENO Execution state Bit
Head device storing the number of digits of the binary data acquired
by conversion.
ANY16 ANY16
Head device storing the binary data acquired by conversion. ANY16 ANY32
Operand
type
Bit Devices Word Devices Others
System user Digit specification
System
user
Special
unit
Index
Cons
tant
Real
Number
Character
String
Pointer
XYMTCS
D.b
KnX KnY KnM KnS T C D R
U\G
X Y Modifier K H E
""
P
zzz z z
zzz z z
zzzzzzzz z z
VAL
EN ENO
d1
d2
s
VALP
EN ENO
d1
d2
s
DVAL
EN ENO
d1
d2
s
DVALP
EN ENO
d1
d2
s