Hi guys! A have CPU 315-2 DP and CP341, and another devise. I want create connection betwen CPU and another devise through MODBUS RTU. CPU - Master, Another devise - slave.HW I did with CP without errors, and I don't understand what I must do? May be do you have manuals?

I have manual Loadable Driver for Point-to-Point CPs: MODBUS protocol, RTU format, S7 is master, but I don't understand((

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Split from TIA Portal V13 + CP341 + Modbus RTU.

Hello,

very sry, you need study this complex thing, no other way. You can look again to this topics where you can find also example:

https://support.industry.siemens.com/cs/search?search=cp341%20modbus&type=ProductSupport%2CCertificate%2CCharacteristic%2CDownload%2CDownloadSoftwareArchive%2CExampleOfUse%2CFaq%2CManual%2CProductNote%2CSlk%2CForum&lc=en-WW

You can then go again here and ask other question related to your problem, we can then help you as much as possible.