Closed Tsepatek closed 5 years ago
This is an example on the Node-Red
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This is an example on the Dashboard
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Of the nodes still the Datasource must be connected.
Thank you for the quick answer. I have tried both of those examples. I think the problem is with Beckhoff, because it does not accept value change to Outputs .arrLampProcessOutputData[17].bdata. I talked to my Beckhoff system support person and he told me that output data cannot be changed directly. Now I need to know which variable I need to use to get Outputs value .arrLampProcessOutputData[17].bdata to change. I can force the value in Beckhoff Manager software, but I cannot force the value by using Nodered ADS Output.
There are some limitations, variables associated with outputs can not be written through ADS. It can also happen that variables within programs can not be written. I had the same problems before Node-Red with the ADS webservices. I have solved problems in Twincat by writing in the global variable as a cache and copy it at the end of the program to the outputs.
First, start small. No structures of types and no variables mapped to outputs.
Hi, My project continues. I am now able to read for example Lamp status (0 or 1) from the Output variable .arrLampProcessOutputData[17].bdata in Beckhoff system. The problem is that Beckhoff does not accept if I try to set the .arrLampProcessOutputData[17].bdata value to 0 or 1. How should I configure for example the switch (dasboard item) to send on or off command to Beckhoff? Should I use Inputs or symbols or what? I was able to list all the symbols in Beckhoff system. Could someone give an example? Help needed again.