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cm1241 rs232 接线 (6es7 241-1ah30-0xb0) cb1241 rs232 通讯模块,订
用cb1241做modbusrtu通讯刷新很慢
参数s71200与v20的mosbus通讯s71200plc需要加cm1241rs485通信模块
西门子1200plc信号板通讯模块cm1241 rs485 232 cb1241 sb1222
cb1241信号板安装
cm1241 rs232 接线 (6es7 241-1ah30-0xb0) cb1241 rs232 通讯模块,订