Mitsubishi Electronics FX3G User Manual

264

/FX

3GC

/FX

3UC

Series

Programming Manual - Basic & Applied Instruction Edition

9 Move and Compare – FNC 10 to FNC 19

9.9 FNC 18 – BCD / Conversion to Binary Coded Decimal

9.9

FNC 18 – 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. Instruction format

2. Set data

3. Applicable devices

S1: This function is supported only in FX

/FX

3GC

/FX

3UC

PLCs.

S2: This function is supported only in FX

/FX

3UC

PLCs.

Explanation of function and operation

1. 16-bit operation (BCD and BCDP)

This instruction converts the binary (BIN) data of

into binary-coded decimal (BCD) data, and transfers the

converted BCD data to

• The data of

can be converted if it is ranging from K0 to K9999 (BCD).

• The table below shows digit specification for

and

Operand Type

Description

Data Type

Word device number storing the conversion source (binary) data

16- or 32-bit binary

Word device number of the conversion destination (binary-coded decimal) data

16- or 32-bit binary

Oper-

and

Type

Bit Devices

Word Devices

Others

System User

Digit Specification

System User

Special

Unit

Index

Con-
stant

Real

Number

Charac-

ter String

Pointer

X Y M T C S D .b KnX KnY KnM KnS T C D

U \G

V Z Modify K H

" "

Number of digits

Data range

K1Y000

0 to 9

K2Y000

00 to 99

K3Y000

000 to 999

K4Y000

0000 to 9999

DBCD
DBCDP

Mnemonic

Operation Condition

16-bit Instruction

5 steps

BCD
BCDP

Mnemonic

Operation Condition

Continuous

Operation
Pulse (Single)

Operation

32-bit Instruction

9 steps

Continuous

Operation
Pulse (Single)

Operation

FNC 18

BCD

PLC

BCD (FNC 18)

Y014

Y010 Y004 Y000

Y017

Y013 Y007 Y003

BIN

BCD

…

FNC 18

BCD

When "K4Y000" is specified

Command

input