Hi all,
my problem is that the modbus does not work properly with the SP15, while it works well with the SP11.
With the SP11 I can read all the parameters, while with the SP15 I don't. To better explain the situation,
I have attached two images, where it can be seen that with the SP11 I can read all the modbus parameters,
while with the SP15 some yes and others not.
What can I do to solve the problem?
Thanks.
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If it's Modbus RTU you will not be able to use Wireshark. Not without a protocol converter anyway. Here is a tutorial about thatlook here. Honestly just google what you're looking for, there is quite a bit of information available on wireshark. It's a pretty standard tool for a few people that are trying to decode or troubleshoot network traffic.
Wireshark is...
Zitat:
Wireshark is an open source tool for profiling network traffic and analyzing packets. Such a tool is often referred to as a network analyzer, network protocol analyzer or sniffer.
If you would like to refer to this comment somewhere else in this project, copy and paste the following link:
Hi all,
my problem is that the modbus does not work properly with the SP15, while it works well with the SP11.
With the SP11 I can read all the parameters, while with the SP15 I don't. To better explain the situation,
I have attached two images, where it can be seen that with the SP11 I can read all the modbus parameters,
while with the SP15 some yes and others not.
What can I do to solve the problem?
Thanks.
NOTE: I am using CODESYS CONTROL FOR RASPBERRY PI SL V3.5.15.10 as runtime
Did you try to sniff the communication with Wireshark to better understand if there's some error into a slave channel?
Hi fleaplc, what is WIRESHARK?
If it's Modbus RTU you will not be able to use Wireshark. Not without a protocol converter anyway. Here is a tutorial about thatlook here. Honestly just google what you're looking for, there is quite a bit of information available on wireshark. It's a pretty standard tool for a few people that are trying to decode or troubleshoot network traffic.
Wireshark is...