Vision & Samba PLC + HMI Controllers & VisiLogic Software
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Talk about issues related to the Vision and Samba PLC + HMI series and to VisiLogic software
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In your case I would contact Unitronics technical support. They might want to get one of the faulty CPUs for investigation. -
I use Rufus occasionally, but on my W10 system Fat32 is available for formatting, it just has to be chosen in File System. The thing that controls whether it comes up or not is device capacity. It is worth having a goggles of both Fat32 & Large Fat32, to understand the "differences" and the implications of 32Gb. And an FYI. I sometimes needed to use partitioning to make a drive a suitable "size" for particular control systems that only like smaller capacities. This problem arose because of drives ever increasing in size over recent years, with smaller sizes being very hard to come by. I will counter this though, by saying I've recently found a remergence of smaller capacity drives, so perhaps manufacturers have listened to consumer demands......I recently purchased a test of 512mb and progressively upwards via ebay and all are ok. cheers, Aus -
Don't get me wrong, but I'm curious as to why? If the system is working ok, then isn't it simply "busy work"? Or are you trying to keep everything you work with on the same version? If the latter and you deal with lots of different sites, you are going to end up with a very, very big headache. Although it's for Vision, have a look at this: https://forum.unitronics.com/topic/7245-dont-update-just-because-you-can/ cheers, Aus
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I've always updated Unitronics PLCs to newest firmware (both U90, Vision and UniStream) as soon as it's released. Never had any problems. But always take precautions: 1. Make sure you have the correct ladder program (user app). Upgrading OS might sometimes wipe the user app, so you must download it again after the OS update is over. 2. Before doing anything, make a backup of the PLC memory (retained tags) and data tables. 3. If you have access UniApps (a.k.a. Info Mode on Vision), go there and make a complete backup of program & retained memory to SD card. 4. If PLC doesn't have an SD card, buy a 16 - 32GB card and load it into the PLC. They're pretty cheap nowadays. Perform the upgrade by telling Unilogic to save the new OS files to SD card (that's how I do it), instead to your memory stick. That way you don't need to worry about faulty or unsupported USB flash drives connected to the USB port. And next time you upgrade the OS, you don't even need to open the panel, because the SD card is already there. 5. For compatibility, your USB flash or SD card must be formatted to FAT32, and not larger than 32GB. Otherwise UniStream might not be able to recognize it. 6. OS update will take anywhere from 10 to 30 minutes, mostly depending on the speed of your media. I've found that SD cards are somewhat faster than USB sticks. Make sure you're allowed to halt the PLC for this duration of time. -
Before copying files to USB drive, make sure the drive is formatted to FAT32. Newer partition styles like ExFat or NTFS are not readable by UniStream. Windows Formatter doesn't have FAT32 option by default. I've used Rufus tool in the past, and it allows me to format a drive using FAT32.
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