Omron CPM1 - PROGRAMING MANUAL 02-2001 Programming Manual page 334

I/O Allocation for CPM1/CPM1A/CPM2A PCs
CPM2A
No. of I/O Model number
(on CPU Unit)
20
CPM2A-20CDR-j
CPM2A-20CDT-D CPM2A-20CDT-D
CPM2A-20CDT1-D
30 CPM2A-30CDR-j
CPM2A-30CDT-D
CPM2A-30CDT1-D
40 CPM2A-40CDR-j
CPM2A-40CDT-D
CPM2A-40CDT1-D
60 CPM2A-60CDR-j
CPM2A-60CDT-D
CPM2A-60CDT1-D
CPU Unit Allocation
CPU Units with 10 I/O Points
6 inputs
IR 00000 to IR 00005
4 outputs
IR 01000 to IR 01003
15
Bits
Inputs IR 000
Outputs IR 010
I/O
Input 12 inputs: 0000 to 00011
Output 8 outputs: 01000 to 01007
Input 18 inputs:
00000 to 00011
00100 to 00105
Output 12 outputs:
01000 to 01007
01100 to 01103
Input 24 inputs:
00000 to 00011
00100 to 00111
Output 16 outputs:
01000 to 01007
01100 to 01107
Input 36 inputs:
00000 to 00011
00100 to 00111
00200 to 00211
Output 24 outputs:
01000 to 01007
01100 to 01107
01200 to 01207
Note 1. The values for the maximum number of I/O in the above table include the I/O
on Expansion I/O Units.
2. When using a CPM2A CPU Unit, up to 3 Expansion Units or Expansion I/O
Units can be connected to the PC.
In the following diagrams, shaded areas indicate bits actually used for inputs or
outputs.
Input bits are allocated starting from IR 00000.
Output bits are allocated starting from IR 01000.
Bits in the output words that are not used as output bits can be used as work
bits.
Bits in the input words that are not used as input bits cannot be used as work
bits.
CPM1-10CDR-j
CPM1A-10CDj-j
14 13 12 11 10
Do not use
Allocated bits
09 08 07 06 05
Section
Max. No. of Max. No. of I/O
Expansion I/O (see note 1)
Units
3 80
3 90
3 100
3 120
04 03 02 01
5-2
00
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