Rockwell Automation Logix5000 Controllers ASCII Strings Programming Manual - Manual (Page 5)

Table of contents
Studio 5000 environment ..................................................................................... 7
Additional resources ............................................................................................... 7
Chapter 1
Introduction ............................................................................................................ 9
Connect the ASCII device .................................................................................. 10
Configure the Serial Port .................................................................................... 10
Configure the User Protocol .............................................................................. 12
Create string data types ....................................................................................... 13
Read characters from the device ......................................................................... 14
Send characters to the device .............................................................................. 15
Enter ASCII characters ....................................................................................... 17
Chapter 2
Introduction .......................................................................................................... 19
Extract a part of a Bar Code ................................................................................ 19
Look up a Bar Code .............................................................................................. 20
Create the PRODUCT_INFO Data Type.............................................. 21
Search for the characters ............................................................................... 21
Identify the Lane Number ........................................................................... 22
Reject bad characters ..................................................................................... 22
Enter the Product IDs and Lane Numbers ............................................... 23
Check the Bar Code characters .......................................................................... 23
Convert a value ..................................................................................................... 24
Decode an ASCII message .................................................................................. 25
Build a string .......................................................................................................... 26
Appendix A
ASCII charter codes ............................................................................................. 29
Preface
Communicating with an ASCII
device
Processing ASCII characters
ASCII character codes
Index
Rockwell Automation Publication 1756-PM013D-EN-P - October 2014 5