SHB-970-COM

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文件:SHB-970-COM1,COM2.jpg
SHB-970-COM1,COM2
COM1:
信号名称 Pin Pin 信号名称
DCD 1 2 DSR
SIN 3 4 RTS
SOUT 5 6 CTS
DTR 7 8 RI
GND 9 10 GND
  • COM2跳线功能设置(J1,J2,J3):
COM2 RS232(默认) COM2 RS422 COM2 RS485
J1 1-3 2-4 J1 3-5 4-6 J1 3-5 4-6
J2 1-3 2-4 J2 3-5 4-6 J2 3-5 4-6
J3 1-2 J3 3-4 J3 5-6 7-8

当COM2设置为RS232/422/485时,其管脚定义如下:

Pin RS232(默认) RS422 RS485
1 DCD TX- DATA-
2 DSR NC NC
3 RXD TX+ DATA+
4 RTS NC NC
5 TXD RX+ NC
6 CTS NC NC
7 DTR RX- NC
8 RI NC NC
9 GND GND GND
10 GND GND GND