问题描述:
Quantum(DB9)和M238(SL1)ModbusRS232通讯如何接线?所属产品线:
Modicon Quantum解决方法:
请参考如下:
Quantum Comm Port 1 (DB9)...........................M238 SL1 (RJ45)
2) RX.......................................................................2) TX
3) TX.......................................................................1) RX
5) GND....................................................................8) GND
4,6短接 DTR, DSR -(Quantum侧)
7,8短接 RTS, CTS - (Quantum侧)
3,6 短接) RTS, CTS - (M238侧)
是否有帮助?