Aktueller Inhalt von Akram Louati

Hier is the PROGRAM MAIN now: PROGRAM MAIN VAR stIn_PcCom AT %I* : PcComInData; (* linked to the port in the TwinCAT System Manager *) stOut_PcCom AT %Q* : PcComOutData; (* linked to the port in the TwinCAT System Manager *) TxBufferPcCom : ComBuffer; RxBufferPcCom : ComBuffer...

This was my first fault. now I called FB_SerialCom in the main. The parameter Busy stays always TRUE and the Error is : COMERROR_TXBUFFOVERRUN. I don't see any changes in the output.

Hi, I'm a new user of the Beckhoff plc. I'm trying to communicate with a device using the serial communication by sending a string. I'm using the library tc2.SerialCom and twincat 3. I created a function block as follows: FUNCTION_BLOCK FB_SerialCom VAR_IN_OUT TxBuffer : ComBuffer; END_VAR VAR...