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choosing_sd_card [2018/07/11 08:56] – [Test your card] akuzmukchoosing_sd_card [2022/01/14 23:47] (current) – ↷ Links adapted because of a move operation 127.0.0.1
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 ====== How to select a proper SD card ====== ====== How to select a proper SD card ======
 +
 +WebHMI requires SD to work. On this page we will explain how to select a best card that will suit your needs.
 +
 +{{ network:insert-sd-card.jpg?direct&912 |}}
  
 ===== SD cards comparison ===== ===== SD cards comparison =====
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 //Please note that using a low-quality or fake memory card may result in **data loss** or unstable WebHMI operation. DO NOT use cards of doubtful origin. Preference is given to industrial memory cards. When you write a large amount of data, the lifetime of commercial cards in WebHMI can be only a few weeks after which the card goes down.// //Please note that using a low-quality or fake memory card may result in **data loss** or unstable WebHMI operation. DO NOT use cards of doubtful origin. Preference is given to industrial memory cards. When you write a large amount of data, the lifetime of commercial cards in WebHMI can be only a few weeks after which the card goes down.//
  
-{{ ::sd-industrial.png?direct&912 |}} +{{ network:sd-industrial.png?direct&912 |}} 
-On this photo: Industrial-grade card works for years under heavy load and this commercial-grade card died after 2 months of work. Both cards are from the same manufacturer.+On this photo: Industrial-grade card (left) works for years under heavy load and this commercial-grade card (right) died after 2 months of work. Both cards are from the same manufacturer.
  
 ===== Benchmark ===== ===== Benchmark =====
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 Here is example of such test run: Here is example of such test run:
  
-{{ ::sd-card-speed-test.png?direct&912 |}}+{{ network:sd-card-speed-test.png?direct&912 |}}
  
 ===== 2017 Update ===== ===== 2017 Update =====
 After a few years of running various cards we have found that Transcend Industrial 1GB SLC cards suit our needs in most cases. So we can sell these cards with WebHMI by request. After a few years of running various cards we have found that Transcend Industrial 1GB SLC cards suit our needs in most cases. So we can sell these cards with WebHMI by request.
  
-{{ ::cards.jpg?direct&912 |}}+{{ network:cards.jpg?direct&912 |}}
  
choosing_sd_card.1531299360.txt.gz · Last modified: 2018/07/11 08:56 by akuzmuk

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