3-13
3 Nomenclature and Functions
CJ2 CPU Unit Hardware User’s Manual
3-2 Memory Card
3
3-2-1 Models and Specifications
3-2 Memory Card
Use the following OMRON-specified Memory Card. Operation may not be correct if memory cards from
other companies are used.
Additional Information
Simple Backup
The simple backup function copies all CPU Unit data (user program, parameters, and I/O mem-
ory) to a Memory Card, without having to use a Programming Device.
For details, refer to 8-3 Simple Backup.
3-2-1 Models and Specifications
Model number HMC-EF583 HMC-EF283 HMC-EF183
Memory Card capacity 512 Mbytes 256 Mbytes 128 Mbytes
Common specifi-
cations
Dimensions 42.8 × 36.4 × 3.3 mm (W × H × T)
Weight 15 g max.
Current consumption Approx. 30 mA (when used with PLC)
Environmental specifications Same as general specifications of PLC
No. of writes 100,000 (guaranteed value)
Factory specifi-
cations
No. of files writable to root
directory
511
File system FAT16
3-2-2 Operating Procedures
Memory Card Eject Button
Memory Card Indicators
MCPWR (green): Lit when power is being provided
to the Memory Card.
BUSY (orange): Flashes while the Memory Card is being
accessed.
Simple Backup/Memory Card Power Supply Switch
This switch has the following two functions.
•
Simple Backup
To back up all CPU Unit data to the Memory Card,
press this switch for 3 s when DIP switch pin 7 is set to ON.
•
Turning OFF Power to the Memory Card
Press this switch to turn OFF the power before removing the
Memory Card.
LAREHPIREP
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