9.RS-232 Data Communication with Siemens S7-1200 in TIA Portal

Siemens PLC Programming in TIA Portal Environment for RS-232 serial data communication
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9.RS-232 Data Communication with Siemens S7-1200 in TIA Portal
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[@ajaychoudhary4940]

Hello, can I connect 8 rs232 devices( checkweigher) with one RS232(CM1241) module?

[@congtran6952]

This is just a fixed frame. It will not be correct in other cases. If the Slave continuously sends data, the next frame will be appended to the previous frame in your RS232 buffer.

[@DADAutomation]

send your problem to [e-mail] , we can help you

[@laoufiamine4858]

please for the s7-300 normally the module used cp 430 ,but what is the block used and the configuration?? by this I have s7-300 and I don't know how to read data rs232 for balance and I work with tiaportal 16 !! please answer me ! it's not the same as s7-1200

[@DADAutomation]

Use Port_Config and P_RCV

[@user-qv6ec9uo9h]

Hello, need help to communicate my device, power meter with RS232 . Need to send and Recieve commands
Can u help. How can i contact u?

[@DADAutomation]

[e-mail]

[@Kozak450]

I dont use the port_cfg block and it works fine so its not nesesery.

[@DADAutomation]

Yes It works, but in case of dynamic change you need to call it.