Rockwell-automation Logix5000 Controllers ASCII Strings Programming Ma Manual de usuario descargar pdf (Pagina 23)

Processing ASCII characters Chapter 2

Enter the Product IDs and Lane Numbers

In the sort_table array, enter the ASCII characters to identify each item and the

corresponding lane number for the item.

Use a compare instruction (EQU, GEQ, GRT, LEQ, LES, NEQ) to check for

characters.

• The hexadecimal values of the characters determine if one string is less than

or greater than another string.

• When the two strings are sorted, as in a telephone directory, the order of the

strings determines which one is greater.

Use one of the following compare instruction.

To see if the string is: Enter this instruction:

Equal to specific characters EQU

Not equal to specific characters NEQ

Greater than specific characters GRT

Equal to or greater than specific characters GEQ

Less than specific characters LES

Equal to or less than specific characters LEQ

Check the Bar Code

characters

Rockwell Automation Publication 1756-PM013D-EN-P - October 2014 23

1 2 ... 18 19 20 21 22 23 24 25 26 27 28 ... 31 32

Sin comentarios

Rockwell-automation Logix5000 Controllers ASCII Strings Programming Ma Manual de usuario Pagina 23