LOGO! Store and retain a VW value

Hello,

I'm programming a 4 channel thermostat using LWE. On every thermostat is a high and low threshold value, making an alarm output.

I tried examples from the forum to retain the value written in (e.g) VW10, but every time I power off the LOGO all the threshold values set with in the webpage are reset to zero. The values are retained if I just stop and start the LOGO. I'm using the min/max block for retaining the value.

Temperature ranges are -20°C to 50°C

Threshold ranges are -20°C to 50°C

Is there a way to retain VW values after power off? VW10 is low alarm, VW12 is high alarm

Best regards

Knaap

You don't write how you read the value from the web server into the program.

Can you upload your LSC program and the LWE project as a ZIP file?

Here is the whole project. as you can see, I use the 4 AI's, scale and copy them to VW's

Then I compare these actual temperature VW's with the settings that are made in the LWE project. It al works fine as long as the LOGO is not powered down

Hope you can help me with that.

Thank you! 

This is exactly what I needed.

Have a nice weekend