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serial communication - help please
Guys thank you very much for all your help, I figured what the problem was, I made a command in my plc to send the data through the serial port. Now it warks, sort off. My new problem is that whatever the plc is sending me the computer can not understand it, as if it is not sending me 0's and...- nikmast
- Post #6
- Forum: Visual Basic (Classic)
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serial communication - help please
Thank you for your answer, ccan you tell me what is MCU?- nikmast
- Post #3
- Forum: Visual Basic (Classic)
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serial communication - help please
Hi, I need help with visual basic 6 program or hardware of plc. I am trying to get vb6 program to read serial port that my plc s7-200 CPU 222 is conected to. I can not get the program to read anything at all. My code is (in vb6): Private Sub cmdOpen_Click() 'opening the serial port If... -
serial communication - help please
Hi, I need help with visual basic 6 program or hardware of plc. I am trying to get vb6 program to read serial port that my plc s7-200 CPU 222 is conected to. I can not get the program to read anything at all. My code is (in vb6): Private Sub cmdOpen_Click() 'opening the serial port If...- nikmast
- Thread
- Replies: 6
- Forum: Visual Basic (Classic)
