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3 Configuration Units
NX-series NX1P2 CPU Unit Hardware User’s Manual (W578)
3-2 SD Memory Cards
3
3-2-1 Models and Specifications
3-2 SD Memory Cards
This section describes the models, specifications, and application of the SD Memory Cards.
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.
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.
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.
3-2-1 Models and Specifications
Model Card type
Capacity
[GB]
Format
Number of over-
writes
Weight
HMC-SD291 SD Card 2 FAT16
100,000
*1
*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 over-
writes may be reduced.
2 g max.
HMC-SD491 SDHC Card 4 FAT32
3-2-2 Purpose