電源端子
Pin1 0V
Pin2 DC24V
![d8de4f1724a3db9effe397e00a1c570a_%E7%AB%AF%E5%AD%906](http://www.cacpa.com.cn/file/upload/202011/24/10/10-57-37-87-30504.png)
COM1/COM3
Pin1 Rx-(B)
Pin2 RxD_PLC (COM1 RS232)
Pin3 TxD_PLC(COM1 RS232)
Pin4 Tx-
Pin5 GND
Pin6 Rx+(A)
Pin7 RxD_PLC(COM3 RS232)
Pin8 TXD_PLC(COM3 RS232)
Pin9 Tx+
![a596331e469eea88a788268cefe5563d_%E7%AB%AF%E5%AD%901](http://www.cacpa.com.cn/file/upload/202011/24/10/10-57-51-25-30504.png)
![a596331e469eea88a788268cefe5563d_%E7%AB%AF%E5%AD%901](http://www.cacpa.com.cn/file/upload/202011/24/10/10-57-51-25-30504.png)