Modbus Master application supports Modbus RTU and Modbus TCP/IP
Modbus protocol, despite the passage of time (was developed in the Modicon company in 1980) continues to be standard in most industrial controllers (PLC) and is widely used in industrial automation systems.
Modbus is a communication protocol used for transmitting data between electronic devices. In a Modbus network, there are two types of devices: Modbus Master and Modbus Slave.
The Modbus Master is a device that initiates the communication and sends requests to the Modbus Slaves. It can request data, write data, or perform other operations on the slave devices. The Modbus Master is responsible for controlling the flow of communication in the network and for managing the timing and sequence of requests.
In practical applications, the Modbus Master is typically a supervisory control and data acquisition (SCADA) system, a programmable logic controller (PLC), or a computer-based control system. The Modbus Master communicates with the Modbus Slave devices using a serial or Ethernet connection.
The Modbus Master sends requests to the Modbus Slaves in the form of Modbus function codes. Each function code corresponds to a particular type of operation, such as reading or writing data. The Modbus Master sends the function code along with other information, such as the address of the slave device and the register or memory location to be accessed.
When the Modbus Slave receives a request from the Modbus Master, it processes the request and sends back a response. The response includes the requested data or a status code indicating whether the operation was successful or not.
In summary, the Modbus Master is the device that initiates the communication and controls the flow of data in a Modbus network. It sends requests to the Modbus Slaves and receives responses from them. The Modbus Master is typically a SCADA system, PLC, or computer-based control system.
Modbus Master supports Modbus RTU and Modbus TCP/IP.
The data can be in many formats (hex, bin, float, int).
You can see also the raw frames.
Windows 32 bit and 64 bit version