
Addressing syntax for Allen–Bradley programmable controllers D–19
SLC 5 (Enhanced) I/O files
F:ss.www/bb
F File type:
I = Input
O = Output
ss I/O slot number: 0 – 30 decimal
www
(optional) I/O word number expansion: 0 – 255 decimal
bb
(optional) Bit offset within word: 0 – 15 decimal
When input slot is 0: 0 – 23 decimal
Example: I:22.254/13
SLC 5 (Enhanced) status files
F:ww/bb
F File type:
S = Status
ww Word address:
SLC 5/03: 0 – 68 decimal
SLC 5/04: 0 – 96 decimal
bb
(optional) Bit offset within word: 0 – 15 decimal
Example: S:15/6
Writing to the output files of an SLC 5 is not recommended.
However, if you do, be sure the SLC is not in RUN mode. If it is in
RUN mode, the write will fail and an error message will be logged to
the activity log file.
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