7MB1122-1JA13-2AA1

发布时间:2016-08-15

7MB1122-1JA13-2AA1

7MB1122-1JA13-2AA1

7MB1122-1JA13-2AA1

编程部分

A  主机接6台从机

我们使用RD3A    WR3A 通过相互读写寄存器值进行数据交换

然后位  如  M0  X0  Y0  等等  通过 mov  K4X0 D0 的方法 把位转为字节放到寄存器里面

检验是否通讯完成  每次发完数据 M8123会给一次脉冲信号   其中还有给出校验错误  通信时的信号  具体参照附件:PLC MODBUS通信协议手册

具体程序请参照:PLCA1

显示部分参照:HMIA1

B1-6  B组作为A的从机 需要写上从机的通讯参数,B1  则D8121 为K1

其余程序部分自行编写   和A1 只是相互交换数据

7MB1122-1JA13-2AA1

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