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8 Applied Instructions (Move and Compare)
8.9 BCD / Conversion to Binary Coded Decimal
159
FXCPU Structured Programming Manual
[Basic & Applied Instruction]
1
Outline
2
Instruction List
3
Configuration of
Instruction
4
How to Read
Explanation of
Instructions
5
Basic Instruction
6
Step Ladder
Instructions
7
Applied Instructions
(Program Flow)
8
Applied Instructions
(Move and
Compare)
9
Applied Instructions
(Arithmetic and
Logical Operation)
10
Applied Instructions
(Rotation and
Shift Operation)
8.9 BCD / Conversion to Binary Coded Decimal
Outline
This instruction converts binary (BIN) data into binary-coded decimal (BCD) data.
Binary data is used in operations in PLCs. Use this instruction to display numeric values on the seven-
segment display unit equipped with BCD decoder.
1. Format and operation, execution form
2. Set data
3. Applicable devices
S: Refer to "Cautions".
FX3U(C) FX3G(C) FX3S FX2N(C) FX1N(C) FX1S FXU/FX2C FX0N FX0(S)
Instruction
name
Operation
Execution
form
Expression in each language
Structured ladder/FBD ST
BCD 16 bits Continuous BCD(EN,s,d);
BCDP 16 bits Pulse BCDP(EN,s,d);
DBCD 32 bits Continuous DBCD(EN,s,d);
DBCDP 32 bits Pulse DBCDP(EN,s,d);
Variable Description
Data type
16-bit
operation
32-bit
operation
Input
variable
EN Execution condition Bit
Word device storing the conversion source (binary) data ANY16 ANY32
Output
variable
ENO Execution state Bit
Word device of the conversion destination
(binary-coded decimal) data
ANY16 ANY32
Operand
type
Bit Devices Word Devices Others
System User Digit Specification
System
User
Special
Unit
Index
Constant
Real
Number
Character
String
Pointer
XYMTCS
D
.b
KnX KnY KnM KnS T C D R
U\G
V Z Modifier K H E
"
"
P
zzzzzzz
S1 S2
zz z
zzzzzz
S1 S2
zz z
BCD
EN
s
ENO
d
BCDP
EN
s
ENO
d
DBCD
EN
s
ENO
d
DBCDP
EN
s
ENO
d