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Beckhoff / ADS

Beckhoff protocol to communicate with TwinCAT devices.
MIT License
513 stars 194 forks source link

Error--Add device notification failed with: 1861 #71

Closed xuyuan25 closed 5 years ago

xuyuan25 commented 6 years ago

Hi support, i want to use your code connect beckhoff PLC(twincat2,winCE) on linux without twincat.i edit example.cpp like this: image there are some error like this: image thanks a lot for your recommendation! Yuan

pbruenn commented 6 years ago

On your TwinCAT2 system, did you add a route for your Linux system with AmsNetId "5.21.95.61.1.1"?

xuyuan25 commented 6 years ago

thank you for your answer now I add a route with AmsNetID"5.21.95.61.1.1" on TwinCAT2 system,and still has error:

image thanks a lot for your recommendation! Yuan

xuyuan25 commented 6 years ago

hi,Patrick i have solve this error by change the port,so i can read something. thanks.

Now,I'm try to write something into beckhoff PLC.I find some example from https://infosys.beckhoff.com/english.php?content=../content/1033/tcsample_vc/html/tcadsdll_api_cpp_sample17.htm&id=20654114132734386906 so I edit code and there are no error, but beckhoff cannot received what i write. if you have suggestion or example，you can tell me. thanks a lot for your recommendation. yuan

pbruenn commented 6 years ago

If I understand correctly AdsSyncReadReqEx2() is working, now. I would try these steps next: 1.Test if writing to the PLC is working with AdsSyncWriteReqEx2

  1. Test if the sum command is working, by using it to only read.