UniLogic Software
Receive and share information about UniLogic, the application software for the UniStream control platform
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I've got about 10 different plants I manage on per call basis, plus around 5 new one-time plants per year which I just automate and forget. Out of them there's 2 which are in 24/7 operation. When a software patch is needed, I can't simply shut down the PLC running the process. That's why it's important to update OS at downtime, so when the patching time comes, I can download the new app without restarting the PLC. -
Hi Chris, I'll comment here to start with. I work for Colterlec who are the Australian distributor for Unitronics. The advice above is great, as always. I agree, use Modbus for the Methane instrument. I have asked our customer service team to quote you for the Modular option and the Built-In option. We can also assist with the Classical option if needed. Since it sounds like you are working with an existing design, let me know what items that is using. I'll contact you via email also. Feel free to continue searching for answers here and asking application questions, However if you need commercial details or urgent answers please contact us directly. Kind Regards, -
OK, I get all that. It sounds like you are just in one factory? -
By Gabriel Franco · Posted
I haven´t noticed any lag when loading those screens or interacting within them. What I´ve gotten are compile warnigs about exceding HMI elements, but this can be fixed by making some changes to the Unilogic configuration file. -
Reason is that VisiLogic doesn't allow you to download a ladder application if the PLC OS is not the same as one in VisiLogic. What happens when I have to make some changes to an app which was made with an older version of VL? Of course, I could have many virtual machines with different VisiLogic / UniLogic versions, or use Version Swapper, but these are just complicated band-aids. Sometimes you need the new versions for new features, and they might even be mandatory due to security issues (introducing PCOM Passwords for example). I've never encountered an issue that old program doesn't work with a newer firmware, and I've done OS upgrades of some apps that I've made in 2008-2009 time. That's why I believe Unitronics will be consistent in never breaking things in the future, as opposed to IT where "move fast and break things" is the norm. Another reason is that I never know when the factory process is able to completely halt due to PLC being in stop mode. Sometimes the process or a machine can't stop for days. So, I like to keep downtimes at minimum, and upgrade as soon as possible. Once the OS is newest, I can later download a new ladder app without hitting a brick wall of having to shutdown everything for half an hour or so. I understand your concerns... I just like to keep things simple and tidy, and not worry about OS.
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