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Okay, I'll try to follow your advice in a few days when I'm around the controllers. Converter model https://expertdaq.com/en/product/ex9520/ -
Yes, this is my mistake. It appeared because I tried to restore settings from archived projects in the office. In this case, I missed the speed. In fact, the speed is 19200, not 9600. If I had different speeds, then slave 2 would not give an answer to the master.
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Flex, you forgot the BEEP(x, y) signal in the coding. 🙂 That's always the bit I laugh at. -
Looking again at your calls, an observation to be aware of. I have found that I need a few scans for more complex 485 reads to be done successfully, even though the system indicates things have finished via Function in Progress. I have always put this down to buffer issues. But other forum members successfully have comms working as you do, with calls in theory happening immediately when F i P finishes. If nothing of the above seems to fix the issue, maybe try incorporating a small delay b/n calls to see what happens. I still think the timings shown seem a bit odd, as if something else is affecting the calls. But it might also be what I've just written about. Also, many members do not do multiple tries, just one attempt. "If it don't work, it won't." I personally do 2 attempts, and also monitor results to ensure things change as expected over time. cheers, Aus
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Hello, It would help if you upload the json you are trying to parse. Also currently there is no support for parsing directly into array. You can parse an array member into a tag. That means you can ask for all the array members and fill an array. You can parse the json into a buffer and then do what ever you want with the data.
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