Rockwell-automation 1771-DB Basic Module User Manual - Series A Manual de usuario descargar pdf (Pagina 64)

Operating Functions

Chapter 5

5–27

Causes a question mark (?) to print on the console device. This

prompts you to input two numbers separated by a comma. If you do

not enter enough data, the module prints TRY AGAIN on the console

device.

Example:

u10 INPUT A,B

u20 PRINT A,B

uRUN

TRY AGAIN

?1,2

READY

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

you what to enter. The message to be 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.

Examples:

u10 INPUT“ENTER A NUMBER” A u10 INPUT”ENTER A NUMBER–”,A

u20 PRINT SQR(A) u20 PRINT SQR(A)

u30 END u30 END

uRUN uRUN

ENTER A NUMBER ENTER A NUMBER–100

?100 10

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.

5.4.16

Statement: INPUT

(continued)

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Rockwell-automation 1771-DB Basic Module User Manual - Series A Manual de usuario Pagina 64