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Expansion Memory Unit
The Expansion Memory Unit allows programs to be uploaded
and downloaded between PC and EEPROM with the press of a
button. It is a useful device for program maintenance and correc-
tion.
Connection Configuration
CPM1-EMU01-V1
CPM2A
CPM1A
CPM1
SRM1
CQM1
CPM2C
CQM1H
CS1W-CN114
CPM2C-CN111
can also be
used.
Specifications
Item Specifications
Supported PCs CPM1, CPM1A, CPM2A, CPM2C, SRM1 (-V2), CQM1, CQM1H
Read/Write memory
areas
User program: 15.2 Kwords max.
Data memory: DM 6144 to DM 6655
(Read-only DM and PC Setup)
Expansion instructions: 18 instructions
Connector
Connector compatible with CPM1, CPM1A, CPM2A, SRM1 (-V2), and CQM1 PCs.
For CPM2C and CQM1H PCs, connect via CS1W-CN114 or CPM2C-CN111 Connecting Cable.
EEPROM
(sold separately)
256-Kbit EEPROM
ATMEL: AT28C256
OMRON: EEROM-JD
Current consumption 129 mA max.
Dimensions Main body (not including cables or connectors):
57 × 92 × 38 mm (W × H × D)
Weight 200 g max. (not including EEPROM)
Dimensions
unit: mm
Memory Areas
The memory areas that are uploaded or downloaded vary with the button used as shown in the following table.
Memory area
Button
UPLOAD + DM UPLOAD DOWNLOAD
Ladder program and expansion
instructions
Read from PC to EEPROM.
Read from PC to EEPROM.
All contents of EEPROM written
to PC.
DM 6144 to 6655 Not affected.
Note: For details on program size, DM area, and the availability of expansion instructions, refer to the relevant PC manual.
Expansion Memory Unit
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