This is a known restriction of layouts on WinCC OA 3.18.

https://www.winccoa.com/documentation/W ... Canimation

Hello again, I found the issue. dpGetCache is also saving the value of the dp (dpGet) into the cache if the dp is not already in it. This means that dpSetCache is not required. In order to do what I wanted is required to first do a dpRemoveCache(dp) and then a dpGetCache(dp). This will init the cach...

Hello, I would like to be able to write to the cache of a dp without writting to the DB. I.e: I have some static values on the DB and I want to query them a lot of times. It'd be nice to be able to fill the cache with current state of the dps without rewritting the values on the DB. I think now it's...

Hello, With a WinCC OA S7 driver I am reading 10 uint variables from a DB of a S7-300: E.g: PLCTest.DB100.DBD0 PLCTest.DB100.DBD4 ... PLCTest.DB100.DBD36 I'd like to map them into a dyn_uint DPE. I tried to do "PLCTest.DB100.DBB0:40" but it doesn't accept the input as valid. However, when ...

Hello, I have 78 active S7Plus connections divided into 5 drivers under WinCC OA 3.18 P003 (Linux RHEL 8.4). ¿Is it normal that the overall system consumption is over 22 GB of RAM? If so, it'd be good to update System Requirements documentation with S7Plus requirements. Screenshot: https://i.imgur.c...

The article you are referring to is nearly 2 years old. Do you have any updated information that it is still experimental? What does it mean in detail that the "db/wincc_oa" folder disappears? Is it deleted from the file system? Best Regards Leopold Knipp Senior Support Specialist Indeed ...