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Complex Data (Extension Object) handling in OPC UA

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19 Sep 2018 10:52 #6687 by support
If the OPC UA Server describes the data type properly in its information model, QuickOPC has support for this, and will be able to decode/encode the structure.

More information:

www.opclabs.com/products/quickopc/extensions/opc-ua-complex-data

opclabs.doc-that.com/files/onlinedocs/QuickOpc/Latest/User%2...omplex%20Data%20Extension.html

opclabs.doc-that.com/files/onlinedocs/QuickOpc/Latest/User%2...ta%20-%20Read%20a%20value.html

Best regards

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19 Sep 2018 10:44 #6686 by JaiPrakashShukla
I have a requirement to send PID loop function block information from OPC UA server to Client.
The information can be described as a C structure as follows:

struct PID_Block
{
int32 Setpoint;
int32 Output;
int32 PID_BlockStatus;
float P_gain;
float I_gain;
float D_gain;
}

My application requirement is that the Client should be able to read and understand this structure and its data types dynamically without special configuration or software change.
Client should initially understand the structure format and subsequently able to access the data atomically.
Is it possible to do this in OPC UA stack? How?

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