ASCII Conversion Instructions
Use the ASCII conversion instructions to convert data to or from strings of ASCII characters.
Available Instructions
Ladder Diagram
If you want to convert: | Use this instruction: |
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ASCII representations of integer values to SINT, INT, DINT, or REAL values (e.g., converting from a weight scale or other ASCII device to an integer so you can use it in your logic). | |
ASCII representations of a floating-point value to a REAL value (e.g., converting a value from a weight scale or other ASCII device to a REAL value so you can use it in your logic). | |
SINT, INT, DINT, or REAL values to a string of ASCII characters (e.g., converting a variable to an ASCII string so you can send it to a display terminal). | |
REAL values to a string of ASCII characters (e.g., converting a variable to an ASCII string so you can send it to a display terminal). | |
the letters in a string of ASCII characters to upper case (e.g., converting an entry made by an operator to all upper case so you can search for it in an array). | |
the letters in a string of ASCII characters to lower case (e.g., converting an entry made by an operator to all lower case so you can search for it in an array). |
You can also use the following instructions to compare or manipulate ASCII characters.
If you want to: | Use this instruction: |
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Add characters to the end of a string | |
Delete characters from a string | |
Determine the starting character of a sub-string | |
Insert characters into a string | |
Extract characters from a string | |
Rearrange the bytes of an INT, DINT, or REAL tag | |
Compare a string to another string | |
See if the characters are equal to specific characters | |
See if the characters are not equal to specific characters | |
See if the characters are equal to or greater than specific characters | |
See if the characters are greater than specific characters | |
See if the characters are equal to or less than specific characters | |
See if the characters are less than specific characters | |
Find a string in an array of strings |
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