Allen-Bradley SLC 500 Series User Manual

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

Allen-Bradley SLC 500 Series Specifications

General

Programming Software	RSLogix 500
Series	SLC 500
Category	Controller
Manufacturer	Allen-Bradley (Rockwell Automation)
I/O Capacity	Up to 4096 I/O points
Communication Ports	DH-485
Programming Languages	Ladder Logic
Operating Temperature	0 to 60 °C (32 to 140 °F)
Relative Humidity	5% to 95% (non-condensing)
Memory	4K to 64K words (depending on the processor)
Power Supply	AC or DC (depending on the module)