Unlike the universal RS232, the universal RS232 is (2,3,5) to (3,2,5), and the cable has to be connected to seven corners at each end.
The correspondence is (2,3,5,7) to (3,2,5,7).
plc program
Unlike the universal RS232, the universal RS232 is (2,3,5) to (3,2,5), and the cable has to be connected to seven corners at each end.
The correspondence is (2,3,5,7) to (3,2,5,7).