libnodave / Discussion / Help: S7 1200 firmware 4.0

Anonymous - 2014-07-26

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Fernando - 2015-02-24

We are working with Vb.net y S7-1200 (firmware 4.0) and the connection to the PLC works, but I can't read anything from it. It always give me the following Error:

error 33028 context is not supported. Step7 says: Function not implemented or error in telegram.

Using same program and a PLC with firmware 3.0 run ok.

We tried enabled/disabled Optimize block access, but does not work.

I hope someone has any idea to solve the problem. Thanks!
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- Anonymous - 2015-03-18
  
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- Anonymous - 2015-10-03
  
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Eli - 2015-03-22

I Have a some problem , do you have a solution ?

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Anonymous - 2015-03-22

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dorry - 2015-03-23

today I had tesed is OK,See attachments!
first:DB must no protect,no Optimize，HMI may acess ,at the same must open Get/put protect

My email:zjx4051@gmail.com

Last edit: dorry 2015-03-23

S7-1200 V4.0 Put-get Setting.png

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- Anonymous - 2020-10-05
  
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Anonymous - 2016-09-26

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S7 1200 firmware 4.0

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S7 1200 firmware 4.0 document.SUBSCRIPTION_OPTIONS = { "thing": "topic", "subscribed": false, "url": "subscribe", "icon": { "css": "fa fa-envelope-o" } };

S7 1200 firmware 4.0