xiejibin
級別: *
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三菱FX系列PLC編程線自制方法: 我測試過,避免帶電插拔串口! PC RS232 PLC TXD(3) ----------------------- RX —(1) GND(5) ------------------------ RX + (2) ? | ? |-----TX + (7) RXD(2) ----------------------- TX — (4) 7 8短接 4 6短接 |
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chenjialia
級別: 略有小成
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