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Messages - prof-nova

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Support Questions / Re: 20 PLC HMI
« on: October 09, 2019, 02:04:23 AM »
Do you want a single page showing data from 10 PLCs? Or do you want 10 pages that are all the same except showing data from different PLCs?
I want one unique page with infos coming from 20 different PLC's.

Just worried about the app coming slow if the poll rate is too high for each PLC.

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Support Questions / 20 PLC HMI
« on: October 08, 2019, 02:15:54 AM »
Hi community,

I would like to make an HMI (a simple and unique page) but talking with 20 PLCs (CLX) about 10 tag per each. From your experience, are there any recommendations or limitations doing this? Also are there any good practice doing this?

Thanks for your feedback.

3
Tips & Tricks / Re: Main Menu Driven Project Structure in V3.99s
« on: October 02, 2019, 02:08:24 AM »
It would be convenient for us - simple mortals - to have a multi windows project frame. Something like a main form with a menu to select a couple of pages (process / alarms / trends) and also with a comm component implemented like you say. This way, it will be still faster to start a new project.

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Support Questions / Re: Problem with SimpleWebSerwer
« on: April 16, 2019, 05:50:52 AM »
Make a try with internet explorer and compatibility view settings

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Open Discussion / Re: Trending Chart
« on: March 12, 2019, 10:15:34 AM »
Hi, this charting component works fine for me.
However, how can I fix the y scale to a defined value.
The current version only does auto scaling of the Y Axis. I'll see about adding a fixed scale to a future version.
OK thanks anyway

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Open Discussion / Re: Trending Chart
« on: March 12, 2019, 09:14:52 AM »
Hi, this charting component works fine for me.
However, how can I fix the y scale to a defined value.
Thanks.

7
Application Showcase / Re: AdvancedHMI Videos
« on: June 26, 2018, 03:25:18 AM »
Another one:

https://www.youtube.com/watch?v=LhLZkZOxbNw&t=1s
For your speed test you may be able to tweak it more by experimenting with how high your device will let you increase MaxReadGroupSize. Also the beta version 3.99y has further improved performance of subscriptions.

I made some extra tests with changing the MaxReadGroupSize property:
- 5 => for 100 tags - 6~7 reads/sec     for 200 tags - 4 reads/sec
- 10 => for 100 tags - 10 reads/sec     for 200 tags - 8~9 reads/sec
- 20 => for 100 tags - 20 reads / sec     for 200 tags - 18 reads/sec
- 25 => for 100 tags - 25 reads/sec     for 200 tags - 22 reads / sec
- 30 => for 100 tags - 28~29 reads/sec     for 200 tags - some tags could not read
- 50 => for 100 tags - some tags are very slow to refresh
So with my device and my computer, if I wanna read about 200 tags simultaneously, the best results were achieved with a MaxReadGroupSize property of 25.
I will try to migrate to the latest version.

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