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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)
