modbus_tcp_server
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modbus_tcp_server [2020/10/12 14:10] – atolstov | modbus_tcp_server [2022/02/09 11:07] (current) – emozolyak | ||
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====== Modbus/TCP server function ====== | ====== Modbus/TCP server function ====== | ||
- | There is the possibility of external access to the WebHMI registers via the Modbus / TCP protocol. To do this, go to the menu **Configuration -> Modbus / TCP server**. If you specify the option Export in the list for registers, this register can be accessed externally via the Modbus / TCP protocol, with the address entered in the **ModBus / TCP Address**. The address format is a value from 0..65535. In this case, it's not about the address of the Modbus data model (for example 40001-49999 for holding registers), but about the address in the modubs telegram(PDU address). | + | There is the possibility of external access to the WebHMI registers via the Modbus / TCP protocol. To do this, go to the menu **Configuration -> Modbus / TCP server**. |
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+ | If you specify the option Export in the list for registers, this register can be accessed externally via the Modbus / TCP protocol, with the address entered in the **ModBus / TCP Address**. The address format is a value from 0..65535. In this case, it's not about the address of the Modbus data model (for example 40001-49999 for holding registers), but about the address in the modubs telegram(PDU address). | ||
***read** - Modbus function **#3** or** #4** is used, Holding or Input Register; | ***read** - Modbus function **#3** or** #4** is used, Holding or Input Register; | ||
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- | {{setup_modbus_server.png? | + | {{ network: |
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modbus_tcp_server.txt · Last modified: 2022/02/09 11:07 by emozolyak