Addressing
Appendix A
A10
Figure A.7
Assigning
I/O Rack Numbers with 1slot Addressing
Assigned
I/O
rack number 1
Assigned
I/O rack number 2
I/O Group No.
01 23 45 67 01 23 45 67
Earlier (Figure A.1), we showed how the 5-digit input or output instruction
is associated with a particular I/O module terminal. Now, with two I/O
racks you use the instruction address to identify which racks you are
communicating with.
Figure A.8 illustrates addressing two modules, each in the same I/O group
number but in different assigned racks of a single I/O chassis.
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