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14 Applied Instructions (External FX I/O Device)

14.7 ASC / ASCII Code Data Input

376

FXCPU Structured Programming Manual

[Basic & Applied Instruction]

14.7

ASC / ASCII Code Data Input

Outline

This instruction converts the 1-byte alphanumeric character string into ASCII code.
This is used when selecting and displaying plural messages in the external display unit.

1. Format and operation, execution form

2. Set data

3. Applicable devices

S: Refer to "Cautions".

Function and operation explanation

1. 16-bit operation (ASC)

1-byte alphanumeric character string specified by

is converted into ASCII code, and transferred

sequentially to the device specified by

• In the device specified by

, 1-byte characters of A to Z, 0 to 9, and symbols can be handled. (2-byte

characters cannot be handled.)
By the programming tool, the character string is entered when programming.

• In the device specified by

, converted ASCII code is stored by 2 characters/1 byte each in the

sequence of lower 8 bits and higher 8 bits.

3U(C)

3G(C)

2N(C)

1N(C)

/FX

0(S)

Instruction

name

Operation

Execution

form

Expression in each language

Structured ladder

ASC

16 bits

Continuous

ASC(EN, s, d);

Variable

Description

Data type

Input
variable

Execution condition

Bit

1-byte alphanumerics of 8 characters entered from personal
computer

String(8)

Output
variable

ENO

Execution state

Bit

Head device for storing ASCII code

ANY_SIMPLE

Operand

type

Bit Devices

Word Devices

Others

System user

Digit designation

System

user

Special

unit

Index

Cons

tant

Real

Number

Character

String

Pointer

X Y M T C S D

.b KnX KnY KnM KnS T C D R

V Z Modifier K H

z z z

ASC

EN
s

ENO

Command input

Example: ABCDEFGH

ASC

ENO

1-byte alphanumerics of

8 characters entered from

personal computer

Head device for

storing ASCII code

42 (B)

41 (A)

44 (D)

43 (C)

46 (F)

45 (E)

48 (H)

47 (G)

Higher 8 bits

Lower 8 bits