Omron SYSMAC CPM2B Operation Manual page 92

I/O Allocation
Bits 15
m+1
Inputs
m+2
n+1
Outputs
n+2
Analog I/O Board
Allocation
74
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64-point Expansion I/O Boards
14 13 12 11 10
The maximum number of Analog I/O Boards that can be connected depends
on the model being used, as shown in the following table.
Model
CPM2B-MAD63
CPM2B-MAD42
CPM2B-MAD21
(When two CPM2B-MAD42 Analog I/O Boards are connected, there will be 8
inputs and 4 outputs.)
CPM2B-MAD63
6 inputs
Word m+1, word m+2,
word m+3, word m+4,
word m+5, and word m+6
3 outputs
Word n+1, word n+2, and
word n+3
CPM2B-MAD42
4 inputs
Word m+1, word m+2,
word m+3, and word m+4
2 outputs
Word n+1 and word n+2
CPM2B-MAD21
2 inputs
Word m+1 and word m+2
1 output
Word n+1
32 inputs
Word m+1, bits 00 to 15 and
word m+2 bits 00 to 15 in IR
32 outputs
Word n+1, bits 00 to 15 and
word n+2, bits 00 to 15 in IR
09 08 07 06 05
Number of inputs Number of
outputs
6 inputs 3 outputs
4 inputs 2 outputs
2 inputs 1 outputs
Section 4-2
04 03 02 01 00
Maximum number
of Boards
1
2
3