How to produce a OPCUA call write on array index by UaExpert

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jobst.wellensiek
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How to produce a OPCUA call write on array index by UaExpert

Post by jobst.wellensiek »

If an array variable is displayed in UaExpert 1.5.0 319, you can use double click to modify parts of the array. You can use the write button to generate a OPCUA Write call that write the whole array to the server. Is there a possibility to write one index of the array as one OPCUA Write call from UaExpert?

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Re: How to produce a OPCUA call write on array index by UaEx

Post by Support Team »

Hi,

the UaExpert can only Write the array completely. The write with index range is not supported by many servers because it is hard to implement on the data sink (especially when multiple Client write simultaniously to the same array at different and maybe overlapping position.

The UaExpert has no explicite Read function, because it uses the subscription machanizm, and can also not Read with IndexRange.

The UaExpert can Wirte different length to the array and by this "resize" the array, if the server support such feature.
Best regards
Unified Automation Support Team

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