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Possible to read and write S20 Ethercat bus coupler AI-4-I using OPCUA in CtrlX?

kelvin
Member

Possible to read and write S20 Ethercat bus coupler AI-4-I using OPCUA in CtrlX?

Hello Community,

Is it possible to read and write S20 Ethercat bus coupler AI-4-I using OPCUA in CtrlX?

I tried testing using UA Test client, however i could not expand to read and write via UA Test client. (see below.)

Ctrlx_datalayer.JPG

UA.testclient.JPG

Warmest Regards,

1 REPLY 1
CodeWasi
Long-established Member

Re: Possible to read and write S20 Ethercat bus coupler AI-4-I using OPCUA in CtrlX?

Hello Kelvin,

the current resolving of the Ecat-DatalayerKnots is limited yet. The implementation does not cover yet the subnotes under instances. Not nice but I case you can live with a workaround inside the PLC. you could make the values available als RTData read and provided as new RT-Variable by the PLC. ( Time delay of 1cycle expected/acceptable?).

CodeWasi_0-1658322153492.png

1.Add the RT-Infos of the AI-channels to the PLC.
2. Provide new vars als RT Vars into the Datalayer (using the pragma declare)
3. copying read value to new var.

CodeWasi_1-1658323037381.png

Unfortunately I can not provide a releasedate for the expected resolving.

OK?

Bye

 

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