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Allen-Bradley SLC 500 Series

Allen-Bradley SLC 500 Series
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Publication 1747-RM001G-EN-P - November 2008
10-4 ASCII Instructions
Assign string addresses as follows.
TIP
You configure append or end-of-line characters via
the Channel Configuration screen. The default
append characters are carriage return and line feed;
the default end-of-line (termination) character is a
carriage return.
All instructions except ACL and AHL will error if the
port is disabled.
Table 10.4 Addressing Formats
Format Explanation
ST String file
STf:e.s/b f File number. A file number between 9 to 255 can be used.
: Element delimiter
e Element number Ranges from 0 to 255. These are
42-word elements.
. Subelement delimiter
s Subelement number Ranges from 0 to 41. Word 0 is the
length,.LEN. Words 1 to 41 are
entered in as .DATA[0] to .DATA[40]
/ Bit delimiter
b Bit number Bit location within the element.
Ranges from 0 to 15.
Examples ST9:2 Element 2, string file 9
ST9:2.LEN Length, in bytes of element 2,
string file 9
ST9:2.DATA[0] Word 1 of element 2, string file 9
ST9:2.DATA[0]/15 Bit 15 of word 1 of element 2,
string file 9

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