Publication 1747-UM013B-EN-P - January 2005
4-4
Scanner Configuration and Programming
RIO Configuration Using G
Files
When you program your SLC system you use the G file to configure
the scanner’s I/O image file. Your scanner’s G file configuration is
based on the devices that you have on the RIO link. G file
configuration consists of setting logical device starting addresses and
the logical device image size of each physical device/adapter with
which the scanner communicates.
For RSLogix 500 version 5.50 and later, configure the 1747-BSN M0/M1
size for 5548 words so that this non-generic G file configuration
screen appears after you click on the configure G file button. For
RSLogix 500 versions prior to 5.50, configure the 1747-BSN M0/M1
size for 5547 words in order for this non-generic G file configuration
screen to appear after you click on the configure G file button.
Neither your application program nor your programming device can
access or alter the G file while online with the processor. To change
the G file you must go offline into the program file, make any
necessary changes, and download the program containing the altered
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