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The CPM1-EMU01-V1 Expansion Memory Unit is a program loader for small-
size or micro PLCs. Using the CPM1-EMU01-V1, simple on-site transfer of user
programs and data memory is possible with PLCs.
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SYSMAC
EEPROM
1-1-2 I/O Terminal and IR Bit Allocation
The following table shows which IR bits are allocated to the I/O terminals on the
CPM1A’s CPU Units and Expansion I/O Unit.
CPU Units
Number of I/O terminals on
the CPU Unit
10 20 30 40
Power supply AC DC AC DC AC DC AC DC
Model
number
Relay output CPM1A-
10CDR-A
CPM1A-
10CDR-D
CPM1A-
20CDR-A
CPM1A-
20CDR-D
CPM1A-
30CDR-A
CPM1A-
30CDR-D
CPM1A-
40CDR-A
CPM1A-
40CDR-D
Tran-
sistor
Sink
type
--- CPM1A-
10CDT-D
--- CPM1A-
20CDT-D
--- CPM1A-
30CDT-D
--- CPM1A-
40CDT-D
output
Source
type
--- CPM1A-
10CDT1-D
--- CPM1A-
20CDT1-D
--- CPM1A-
30CDT1-D
--- CPM1A-
40CDT1-D
CPU Unit
terminals
Inputs 6 points:
00000 to 00005
12 points:
00000 to 00011
18 points:
00000 to 00011
00100 to 00105
24 points:
00000 to 00011
00100 to 00111
Outputs 4 points:
01000 to 01003
8 points:
01000 to 01007
12 points:
01000 to 01007
01100 to 01103
16 points:
01000 to 01007
01100 to 01107
Expansion I/O Units
Unit I/O Relay output
Transistor output
Sink type Source type
20 I/O
points
12 inputs
8 outputs
CPM1A-20EDR
CPM1A-20EDR1
CPM1A-20EDT CPM1A-20EDT1
8 inputs 8 inputs CPM1A-8ED
8 outputs 8 outputs CPM1A-8ER CPM1A-8ET CPM1A-8ET1
Expansion Memory Unit
CPM1A Features and Functions Section 1-1