Allen-Bradley devicenet modules in logix5000 control systems User Manual

Page of 239
Publication DNET-UM004A-EN-P - March 2004
Control a Device        7-9
If You Have a SoftLogix5800 Controller
The SoftLogix5800 scanner 1784-PCIDS organizes input and output 
memory in 16-bit words. It uses the following address format:
word.bit
Where:
Is:
word
INT (16-bit integer) with the memory of the scanner
bit
specific bit within an integer