Rockwell-automation 2707-NP DTAM Programming Software Manual de usuario Pagina 178

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Appendix D
Data Formats
D8
ASCII
ASCII data formats are fields up to 20 characters long. Each 16 bit address
may contain two ASCII characters (1 byte each). The lowest byte of the base
address stores the first character, the highest byte stores the second character,
the first byte of the next sequential address stores the third character, and so
on. The data held in this range of addresses is expected to be ASCII data.
Note: The ASCII data format is very useful for controller applications
reading ASCII data resident in the controller that has been read by bar code
readers or data collection terminals.
ASCII Data Field
Maximum 20 Characters - Ten 16 Bit addresses
address 1
CHR #2 CHR #1
address 2
CHR #4 CHR #3
address 3
CHR #6 CHR #5
address 4
CHR #8 CHR #7
address 5
CHR #10 CHR #9
address 6
CHR #12 CHR #11
address 7
CHR #14 CHR #13
address 8
CHR #16 CHR #15
address 9
CHR #18 CHR #17
address 10
CHR #20 CHR #19
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