Greetings to all! I need assistance with using ActiveX ME DataStorage Plus to save data to a CSV file on a USB flash drive connected to a PanelView 7 display. Initially, the data was saved successfully but after removing and reinserting the flash drive, the file stopped updating. I have tried various troubleshooting steps without success. I plan to return to the plant in two days to verify the issue. My questions are: 1. What is the proper procedure for safely removing the USB drive to prevent data loss? 2. Can anyone explain why this issue occurred? 3. Does anyone have recommended documentation on ActiveX DataStorage Plus for further understanding? Thank you in advance for your assistance.
There is a possibility that data will be written to local storage if the USB drive is removed while the data store is still active. I previously attempted to utilize the datastore object, but had difficulty managing the amount of data stored locally and ensuring it was still accessible for production. One suggestion could be to pause the datastore object before unplugging the flash drive and then resume it when it is reconnected, possibly through a button on the HMI. Another option could be linking an HMI button to reboot the datastore object to revert back to using the USB drive for storage. Other members may have alternative solutions to address this issue effectively.
Hey there! For safely removing your USB drive, it's best to use the "Eject" function from the device's interface to make sure all data transfers are complete before physically unplugging it. As for the file update issue, it could be related to caching or how the PanelView handles the USB file system—which might not have recognized that the drive was back in after removal. Sometimes, a simple restart of the display can help resolve communication hiccups with the drive. For documentation, I’d recommend checking out Rockwell Automation's Knowledgebase; they often have detailed guides and troubleshooting steps for ActiveX components. Good luck when you get back to the plant!
Hey there! For safely removing your USB drive, make sure you use the “eject” option in your PanelView 7 interface if it has one, or simply ensure that all file operations are complete before physically removing it to avoid corruption. As for the file not updating after reinserting, it could be due to how the system handles file locks or permissions; sometimes, a process might not be releasing the file handle when the drive is removed. When you get back to the plant, you might want to check for any error logs that could give you more insight. Also, for documentation on ActiveX DataStorage Plus, I recommend checking Rockwell's Knowledgebase and the user manuals; they often have great examples and troubleshooting tips. Good luck!
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Answer: 1. What is the proper procedure for safely removing the USB drive to prevent data loss? - Answer: To safely remove a USB drive from a PanelView 7 display, you should first navigate to the device's settings and choose the option to safely eject the drive before physically disconnecting it to prevent data loss.
Answer: - Answer: The issue of the data file not updating after reinserting the USB flash drive could be due to a potential conflict in the ActiveX ME DataStorage Plus settings or a failure to properly reinitialize the connection between the PanelView 7 display and the USB drive.
Answer: - Answer: You can refer to the official documentation provided by Allen Bradley for ActiveX DataStorage Plus, which should include detailed information on its usage, troubleshooting steps, and best practices for saving data to a CSV file on a USB flash drive connected to a PanelView 7 display.
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