Allen-Bradley devicenet modules in logix5000 control systems 用户手册

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页码 239
Publication DNET-UM004A-EN-P - March 2004
6-12        Configure Your Network Online
Set the Alignment Option
If You Have a SoftLogix5800 Controller
The SoftLogix5800 scanner 1784-PCIDS organizes its input and output 
memory in 16-bit words. For that scanner, choose Word Align.
TIP
The alignment option you choose applies to both the input and 
output maps.
2. Choose Options.
3. Choose DWord Align.
1. Click the Input tab.