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@webiq-sk  I got the PLC progam and run it locally. Here is the UA-Expert Data Access View. Is that the information you want to know. The data types match the data types defined in PLC program. The latest error message "incompatible type" is from 2022-10-21. After this date this error message disappears. But there are later error messages, which might influence our problem. [2022-11-03 16:24:55.917140] [ error | api-worker] Unhandled std::runtime_error caught. [2022-11-03 16:24:55.917140] [ error | api-worker] what(): Failed to create record hook for item Consigne Pression [2022-11-03 16:24:55.917140] [ error | api-worker] cmd(): trend.query @Franck_FR  Please provide the app versions of PLC Engineering and Opc Server app on ctrlX. Did you verify in the PLC that the trend variables are changing, when they are not displayed on VR31? For testing just display the trend var's on the trend screen. When you run the WebIQ project on your Engineering PC are you using the license of the ctrlX or do you have a PC Designer license you are connecting to? To ensure that we do not have any network problem, please answer this questions: IP Address, SubNet Mask and Gateway of ctrlX, VR31 and cngineering PC Are you using the identical network setting, when you connect the engineering PC or do you change anything? Are you connected to a company network or only a network switch Change the IP adress in OpcUa configuration to localhost. opc.tcp://127.0.0.1:4840. This has the advantage that you do not have to adaptthe address, when you run the project on a ctrlX with a different address. ... View more

This bug with the temporary user rights is known: See https://developer.community.boschrexroth.com/t5/Smart-HMI-WebIQ-Designer-and/License-is-not-working-on-WebIQ-Server/m-p/55969/highlight/true#M283 ... View more

I tested it with LTE version ctrlX 1.12.9 and it works like expected. What I wonder, that you have only a WORD variable (16 bit). There are 2 ways how to use unions: 1. Use identical RAM by storing different data types/value types in the same place. => You must store somewhere the info how to interprete the address in the RAM: 2. Use BIT's instead of BOOL's 3. Combination of 1 + 2 When I read your request you are using option 3. This means in the PLC you use the Bits of the Union for easy programming HMI you use the variable Word to access the variables, where you have to change data type to DWORD (32 bit)   TYPE UN_CONTROL : UNION dwValue: DWORD; // must be DWORD to access all 32 bits of variable Bits Bits: ST_CTRL_BITS; END_UNION END_TYPE   The structure ST_CTRL_BITS is not a standard data type, therefore it is visible in OpcUA browse but with unknown (=empty) data type. Therefore you can not access it. You can access the bits via the union variable Word, but you must adapt the data type to DWORD, to access all 32 bits of the union variable Bits. To access bits in WebIQ you add a prefix to the item: bit[bitNo]:item e.g. bit[0]:SInt   ... View more

@webiq-sk attached you find the file, which contains some errors. ... View more