汇川modbus tcp通信原理

汇川的Modbus TCP通信原理是基于MODBUS协议的。MODBUS是一种应用层报文传输协议，它在连接至不同类型总线或网络的设备之间提供客户机/服务器通信。MODBUS协议使用请求/应答的方式进行通信，通过功能码来指定所需的服务。在汇川的Modbus TCP通信中，可以通过添加通道来配置Modbus TCP从站。通过修改通道的参数，可以改变通道的配置。在从站设备中，可以创建全局变量来关联主站读写操作的寄存器。通过这些设置，主站和从站可以在线进行读写操作。\[1\]\[2\]\[3\]
#### 引用[.reference_title]
- *1* [汇川AM系列 Modbus TCP通信设置](https://blog.csdn.net/viixin/article/details/127797217)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^insert_down1,239^v3^insert_chatgpt"}} ] [.reference_item]
- *2* [MODBUS-RTU通信（汇川H5U PLC篇）](https://blog.csdn.net/m0_46143730/article/details/127472295)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^insert_down1,239^v3^insert_chatgpt"}} ] [.reference_item]
- *3* [汇川PLC和PLC之间ModebusTCP通讯](https://blog.csdn.net/panjinliang066333/article/details/127629003)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^insert_down1,239^v3^insert_chatgpt"}} ] [.reference_item]
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