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介绍SIMATIC S7-400H与Bently 3500之间Modbus RTU协议通讯的实现,对系统硬件配置、连接、软件实现进行了描述。
Describes the implementation of Modbus RTU protocol communication between SIMATIC S7-400H and Bently 3500, and describes the system hardware configuration, connection and software implementation.