3-2
SD Memory Cards
This section describes the models, specifications, and application of the SD Memory Cards.
3-2-1
Models and Specifications
SD cards and SDHC cards are supported, but use one of the following OMRON Cards. OMRON is not
responsible for the operation, performance, or write life of any other SD or SDHC card.
Model Card type
Capaci-
ty[GB]
Format
Number of over-
writes
Weight
HMC-SD291 SD Card 2 FAT16
100,000
*1
2 g max.
HMC-SD491 SDHC Card 4 FAT32
HMC-SD1A1
*2
16
*1. This number represents the number of overwrites when the SD Memory Card is used on an NX-series CPU Unit. When
the SD Memory Card is used on other equipment such as a personal computer, the number of overwrites may be reduced.
*2.
This can be used for a CPU Unit with unit version 1.21 or later.
Additional Information
Write Protection Key
You will not be able to write to the SD Memory Card if the key is set to the LOCK position. Use
this setting to prevent overwriting.
3-2-2
Purpose
You can use the SD Memory Card for the following applications.
•
Read and write files in the SD Memory Card with instructions.
•
Read and write files in the SD Memory Card from an FTP client on EtherNet/IP.
• Back up, restore, and verify data in the Controller.
• Transfer data from the SD Memory Card to the Controller when the power is turned ON.
Refer to the NJ/NX-series CPU Unit Software User’s Manual (Cat. No. W501) for details on the func-
tions for SD Memory Cards.
3 Configuration Units
3-21
NX-series NX1P2 CPU Unit Hardware User’s Manual (W578)
3-2 SD Memory Cards
3
3-2-1 Models and Specifications
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