恭喜,你发布的帖子
发布于 2023-07-03 11:48:00
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看看这个,参考一下
https://www.ad.siemens.com.cn/productportal/prods/s7-200-smart-portal/200smarttop/communication/serial_port/modbus/Modbus%20RTU_Modbus%20Slave_Modbus%20Scan/Modbus%20RTU_Modbus%20Slave_Modbus%20Scan.html
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