Rockwell-automation 1771-DB BASIC MODULE Instrukcja Użytkownika Pobierz pdf (Strona 169)

100

101

Chapter

Statements

11 -17

Use the INPUT statement to enter data from the console device during

program execution. You may assign data to one or more variables with a

single input statement. You must separate the variables with commas.

You are prompted to enter data for each variable after the INPUT. If you

do not enter enough data, the module prints

TRY

AGAIN

on the console

device.

>10

INPUT A,C

You can write the INPUT statement so that a descriptive prompt tells you

what to enter. The message printed is placed in quotes after the INPUT

statement. If a comma appears before the first variable on the input list,

the question mark prompt character is not displayed.

>10

INPUT “ENTER A NUMBER – ”,A

You can also assign strings with an INPUT statement. Strings are always

terminated with a carriage return (cr). If more than one string input is

requested with a single INPUT statement, the module prompts you with a

question mark. You can assign strings and variables with a single INPUT

statement.

>20

INPUT “NAME(CR),AGE – ”,$(1),A

Use the INPUT# statement to input data from port PRT2. Use the

INPUT@ statement to input data from port PRT1. Both these statements

function like the INPUT statement.

Syntax

INPUT

Example

REM EXAMPLE PROGRAM

10 INPUT A,C

20 PRINT A,C

>RUN

TRY AGAIN

?1,2

l 2

INPUT

1 2 ... 164 165 166 167 168 169 170 171 172 173 174 ... 393 394

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