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  1. Arne Smets
  2. PLCnext Engineer
  3. Monday, 22 February 2021

I am currently designing a project with quite some functionblocks. In those FBs I have declared some structs and I am able to acces those with the created get/set methods for all fields. NB. I've used C# for this.

Some of those fields should be changeable in the HMI. Is there a way to acces the set methods directly on the HMI? Or should I define all values first in PLCnext Engineer so I can change them in HMI, and then make a extra program to use those variables in all the methods? This would cost a lot of extra work since the project will be quite large in the end... Or maybe somebody has another (better) solution?

I hope my explanation is clear. Thanks in advance.


Accepted Answer
Frank PLCnext Team Accepted Answer Pending Moderation

Hi Arne,

interesting idea to call methodes directly from the eHMI, but for now this is not possible nor planned.

Means you've to make the extra step, but I'll pass this great idea to our product management.

Take care,


Phoenix Contact Electronics Headquarter - PLCnext Runtime Product Management and Support
Arne Smets Accepted Answer Pending Moderation

Sad to hear... But it is really interesting indeed. I thought this would be an amazing way to save all data and make it very clearly to handle. 

I will work around it. Thanks for your time Frank!

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