For the Modbus driver the config entry littleEndianRegister = 0/1 (default 1) is available.
I'm not sure if the entry helps to solve the problem but you can give it a try.

Best Regards
Leopold Knipp
Senior Support Specialist

Are you sure that you are using a panel without a layout and open it as a child panel?
A panel which has no layout cannot be resized if it is opened as child panel.

Best Regards
Leopold Knipp
Senior Support Specialist

As a first step you can activate "-snd 2" at the driver to see which data the driver sends to the Event Manager. Possibly with "-rcv 2" you can see answer messages if your dpSet() requires an answer. Maybe the driver is sending several items in one message and therefore forwarding the value does not...

I do not know why it was implemented this way.
You can maybe use the Scheduler functionality to activate a recipe. Possibly this works without the necessity of user permission bit 4 for the user.

Best Regards
Leopold Knipp
Senior Support Specialist

The user who wants to activate a recipe must have the user permission bit 4 set.
If the user does not have this permission the error code "-4" is returned.

Best Regards
Leopold Knipp
Senior Support Specialist

Maybe the problem is related to the Windows Theme you are using. In the WinCC OA Documentation you can find the following information: Windows Theme Influence on Buttons Due to the influence of the Windows style settings for current Windows themes the background color of buttons is not displayed cor...

In the WinCC OA Documentation it is described what you need to take into account when using PLCSIM.
Did you have a look at the documentation?

Best Regards
Leopold Knipp
Senior Support Specialist

In the AEScreen you can choose the timerange you want to query.
For alarms there are 3 options available: Current, Open and Historical.
In the properties dialog you can choose which data shall be displayed.

Best Regards
Leopold Knipp
Senior Support Specialist

There is a limitation for the number of PLCs which can be connected. The limit is 512 PLCs.
For details please have a look at the WinCC OA Documentation.

Best Regards
Leopold Knipp
Senior Support Specialist

A beta version for WinCC OA 3.17 is not available.
You have to wait for the official release, planned for end of 2019.

Best Regards
Leopold Knipp
Senior Support Specialist