Addressing
Appendix A
A9
Figure A.6
Illustration
of 1slot Addressing with 16point I/O Modules
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Input
Terminals
Output
Terminals
171615140403020100
Output
image table word
corresponding to the I/O group.
1slot
I/O Group
171615140403020100
Output image table word
corresponding to the I/O group.
171615140403020100
Input image table word
corresponding to the I/O group.
171615140403020100
Input image table word
corresponding to the I/O group.
1slot
I/O Group
OR
The
corresponding opposite image table word is not used
when 16-point modules are used.
Assigning I/O Rack Numbers
When you select 1-slot addressing, each slot is an I/O group. You still
assign one I/O rack number to eight I/O groups; therefore, in a 16-slot I/O
chassis you now have two I/O racks (Figure A.7).
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