
3–24 Addressing Modes for Your Remote I/O
!
Not all chassis combinations are acceptable in making I/O rack
number assignments. For example, a 1771-A4B I/O chassis cannot
complete an assigned I/O rack number that starts in a 1771-A1 I/O
chassis. Refer to Figure 3.B for acceptable beginning I/O group
numbers when making your I/O rack number assignments.
Table 3.B
Acceptable Beginning I/O Group Numbers
If you select: and:
The beginning I/O group number
can be:
" "
"
"
"
" "
"
"
"
" "
"
"
"
Acceptable Chassis
Combinations
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