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Modbus enables communication among many devices connected to the same network, for example, a system that measures temperature and humidity and communicates the results to a computer. Modbus is often used to connect a supervisory computer with a remote terminal unit (RTU) in supervisory control and data acquisition (SCADA) systems. Many of the data types are named from its use in driving relays: a single-bit physical output is called a coil, and a single-bit physical input is called a discrete input or a contact.

Modbus enables communication among many devices connected to the same network, for example, a system that measures temperature and humidity and communicates the results to a computer. Modbus is often used to connect a supervisory computer with a remote terminal unit (RTU) in supervisory control and data acquisition (SCADA) systems. Many of the data types are named from its use in driving relays: a single-bit physical output is called a coil, and a single-bit physical input is called a discrete input or a contact.

This article provides a guide on how to use Modbus TCP to monitor {{{name}}} routers with a PC using a Linux Operating System. However, the same principles apply to RUT230, RUT240 and RUT950, RUT955 routers, but the holding register information will differ. You can find this information in the links below:

This article provides a guide on how to use Modbus TCP to monitor {{{name}}} routers with a PC using a Linux Operating System.  

 

==Configuring the router==

==Configuring the router==

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